RewriteModernObjC.cpp revision 104dbf982582f16888fb15f9342fce9748af48c5
164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===--- RewriteObjC.cpp - Playground for the code rewriter ---------------===// 264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// The LLVM Compiler Infrastructure 464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// This file is distributed under the University of Illinois Open Source 664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// License. See LICENSE.TXT for details. 764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 1064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Hacks and fun related to the code rewriter. 1164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 1264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 1364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/Rewrite/ASTConsumers.h" 1564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/Rewrite/Rewriter.h" 1664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/AST/AST.h" 1764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/AST/ASTConsumer.h" 1864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/AST/ParentMap.h" 1964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/Basic/SourceManager.h" 2064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/Basic/IdentifierTable.h" 2164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/Basic/Diagnostic.h" 2264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "clang/Lex/Lexer.h" 2364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "llvm/Support/MemoryBuffer.h" 2464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "llvm/Support/raw_ostream.h" 2564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "llvm/ADT/StringExtras.h" 2664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "llvm/ADT/SmallPtrSet.h" 2764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "llvm/ADT/OwningPtr.h" 2864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#include "llvm/ADT/DenseSet.h" 2964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianusing namespace clang; 3164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianusing llvm::utostr; 3264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahaniannamespace { 3464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian class RewriteModernObjC : public ASTConsumer { 3564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian protected: 3664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian enum { 3864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_FIELD_IS_OBJECT = 3, /* id, NSObject, __attribute__((NSObject)), 3964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian block, ... */ 4064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_FIELD_IS_BLOCK = 7, /* a block variable */ 4164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_FIELD_IS_BYREF = 8, /* the on stack structure holding the 4264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian __block variable */ 4364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy 4464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian helpers */ 4564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_BYREF_CALLER = 128, /* called from __block (byref) copy/dispose 4664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian support routines */ 4764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_BYREF_CURRENT_MAX = 256 4864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 4964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 5064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian enum { 5164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_NEEDS_FREE = (1 << 24), 5264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_HAS_COPY_DISPOSE = (1 << 25), 5364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_HAS_CXX_OBJ = (1 << 26), 5464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_IS_GC = (1 << 27), 5564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_IS_GLOBAL = (1 << 28), 5664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BLOCK_HAS_DESCRIPTOR = (1 << 29) 5764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 5864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static const int OBJC_ABI_VERSION = 7; 5964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewriter Rewrite; 6164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &Diags; 6264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const LangOptions &LangOpts; 6364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ASTContext *Context; 6464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceManager *SM; 6564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TranslationUnitDecl *TUDecl; 6664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FileID MainFileID; 6764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainFileStart, *MainFileEnd; 6864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *CurrentBody; 6964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParentMap *PropParentMap; // created lazily. 7064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string InFileName; 7164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian raw_ostream* OutFile; 7264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Preamble; 7364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 7464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeDecl *ProtocolTypeDecl; 7564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *GlobalVarDecl; 76df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Expr *GlobalConstructionExp; 7764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned RewriteFailedDiag; 78d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian unsigned GlobalBlockRewriteFailedDiag; 7964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ObjC string constant support. 8064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumObjCStringLiterals; 8164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *ConstantStringClassReference; 8264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *NSStringRecord; 8364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 8464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ObjC foreach break/continue generation support. 8564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int BcLabelCount; 8664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 8764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned TryFinallyContainsReturnDiag; 8864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Needed for super. 8964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *CurMethodDef; 9064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *SuperStructDecl; 9164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *ConstantStringDecl; 9264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 9364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFunctionDecl; 9464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendSuperFunctionDecl; 9564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFunctionDecl; 9664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendSuperStretFunctionDecl; 9764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFpretFunctionDecl; 9864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *GetClassFunctionDecl; 9964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *GetMetaClassFunctionDecl; 10064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *GetSuperClassFunctionDecl; 10164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SelGetUidFunctionDecl; 10264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *CFStringFunctionDecl; 10364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SuperContructorFunctionDecl; 10464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *CurFunctionDef; 10564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *CurFunctionDeclToDeclareForBlock; 10664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 10764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Misc. containers needed for meta-data rewrite. */ 10864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCImplementationDecl *, 8> ClassImplementation; 10964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCCategoryImplDecl *, 8> CategoryImplementation; 11064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCSynthesizedStructs; 11164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> ObjCSynthesizedProtocols; 112cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCWrittenInterfaces; 11315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian llvm::SmallPtrSet<TagDecl*, 8> TagsDefinedInIvarDecls; 114cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian SmallVector<ObjCInterfaceDecl*, 32> ObjCInterfacesSeen; 11588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian /// DefinedNonLazyClasses - List of defined "non-lazy" classes. 11688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian SmallVector<ObjCInterfaceDecl*, 8> DefinedNonLazyClasses; 11788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 11888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian /// DefinedNonLazyCategories - List of defined "non-lazy" categories. 11988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian llvm::SmallVector<ObjCCategoryDecl*, 8> DefinedNonLazyCategories; 12088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 12164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Stmt *, 32> Stmts; 12264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 8> ObjCBcLabelNo; 12364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember all the @protocol(<expr>) expressions. 12464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls; 12564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseSet<uint64_t> CopyDestroyCache; 12764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block expressions. 12964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockExpr *, 32> Blocks; 13064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 32> InnerDeclRefsCount; 131f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 32> InnerDeclRefs; 13264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 133f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 32> BlockDeclRefs; 13464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block related declarations. 13664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByCopyDecls; 13764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet; 13864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByRefDecls; 13964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet; 14064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo; 14164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls; 14264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls; 14364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 14464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs; 14572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::DenseMap<ObjCInterfaceDecl *, 14672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::SmallPtrSet<ObjCIvarDecl *, 8> > ReferencedIvars; 14772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 14864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This maps an original source AST to it's rewritten form. This allows 14964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // us to avoid rewriting the same node twice (which is very uncommon). 15064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed to support some of the exotic property rewriting. 15164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes; 15264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 15364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Needed for header files being rewritten 15464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsHeader; 15564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning; 15664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool objc_impl_method; 15764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 15864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool DisableReplaceStmt; 15964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian class DisableReplaceStmtScope { 16064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC &R; 16164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SavedValue; 16264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 16364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 16464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope(RewriteModernObjC &R) 16564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : R(R), SavedValue(R.DisableReplaceStmt) { 16664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = true; 16764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 16864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~DisableReplaceStmtScope() { 16964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = SavedValue; 17064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 17164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 17264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InitializeCommon(ASTContext &context); 17364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 17464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 17590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames; 17664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Top Level Driver code. 17764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual bool HandleTopLevelDecl(DeclGroupRef D) { 17864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 17964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*I)) { 18064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Class->isThisDeclarationADefinition()) { 18164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(D); 18264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 183cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian } else { 184cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian // Keep track of all interface declarations seen. 185f329527bbeae86c8eac6eea6efaa20e807c16679Fariborz Jahanian ObjCInterfacesSeen.push_back(Class); 186cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian break; 18764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*I)) { 19164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 19264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(D); 19364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 19464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 19564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 19664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*I); 19864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 19964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 20064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 20164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleTopLevelSingleDecl(Decl *D); 20264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleDeclInMainFile(Decl *D); 20364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC(std::string inFile, raw_ostream *OS, 20464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 20564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn); 20664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~RewriteModernObjC() {} 20864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void HandleTranslationUnit(ASTContext &C); 21064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmt(Stmt *Old, Stmt *New) { 21264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = ReplacedNodes[Old]; 21364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ReplacingStmt) 21564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // We can't rewrite the same node twice. 21664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 21864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 22064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 22164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceStmt(Old, New)) { 22264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 22364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 22464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 22564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 22664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 22764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 22864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 22964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 23064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 23164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) { 23264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 23364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 23464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 23564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Measure the old text. 23664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int Size = Rewrite.getRangeSize(SrcRange); 23764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Size == -1) { 23864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 23964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 24064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 24164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 24264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 24364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 24464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream S(SStr); 24564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian New->printPretty(S, *Context, 0, PrintingPolicy(LangOpts)); 24664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = S.str(); 24764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 24864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 24964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) { 25064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 25164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 25264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 25364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 25464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 25564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 25664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 25764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 25864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertText(SourceLocation Loc, StringRef Str, 26064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool InsertAfter = true) { 26164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If insertion succeeded or warning disabled return with no warning. 26264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.InsertText(Loc, Str, InsertAfter) || 26364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 26464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 26564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag); 26764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 26864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceText(SourceLocation Start, unsigned OrigLength, 27064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Str) { 27164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If removal succeeded or warning disabled return with no warning. 27264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(Start, OrigLength, Str) || 27364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 27464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 27564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 27664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag); 27764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 27864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 27964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Syntactic Rewriting. 28064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteRecordBody(RecordDecl *RD); 28164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInclude(); 28264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(DeclGroupRef D); 28364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(const llvm::SmallVector<Decl*, 8> &DG); 28464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 28564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString); 28664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementations(); 28764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 28864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 28964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID); 29064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl); 29164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementationDecl(Decl *Dcl); 29264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 29364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MDecl, std::string &ResultStr); 29464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeIntoString(QualType T, std::string &ResultStr, 29564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType); 29664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefString(std::string &ResultStr, const std::string &Name, 29764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def=false); 29864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCategoryDecl(ObjCCategoryDecl *Dcl); 29964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProtocolDecl(ObjCProtocolDecl *Dcl); 30064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(DeclGroupRef D); 30164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG); 30264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteMethodDeclaration(ObjCMethodDecl *Method); 30364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProperty(ObjCPropertyDecl *prop); 30464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteFunctionDecl(FunctionDecl *FD); 30564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerType(std::string& Str, QualType Type); 30664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD); 30764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD); 30864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl); 30964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeOfDecl(VarDecl *VD); 31064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Expr *E); 31164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 31264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Expression Rewriting. 31364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S); 31464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp); 31564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitGetter(PseudoObjectExpr *Pseudo); 31664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitSetter(PseudoObjectExpr *Pseudo); 31764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp); 31864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp); 31964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp); 32055947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian Stmt *RewriteObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Exp); 3210f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian Stmt *RewriteObjCNumericLiteralExpr(ObjCNumericLiteral *Exp); 32286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian Stmt *RewriteObjCArrayLiteralExpr(ObjCArrayLiteral *Exp); 323e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Stmt *RewriteObjCDictionaryLiteralExpr(ObjCDictionaryLiteral *Exp); 32464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 32564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 32664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 32764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 32864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 32964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd); 33064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 33164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 33264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCastExpr(CStyleCastExpr *CE); 333f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian void RewriteImplicitCastObjCExpr(CastExpr *IE); 334b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian void RewriteLinkageSpec(LinkageSpecDecl *LSD); 33564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block rewriting. 33764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 33864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block specific rewrite rules. 34064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerDecl(NamedDecl *VD); 34164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefVar(VarDecl *VD); 342f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Stmt *RewriteBlockDeclRefExpr(DeclRefExpr *VD); 34364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 34464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 34564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 34764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 34864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian void RewriteObjCFieldDecl(FieldDecl *fieldDecl, std::string &Result); 35015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 35197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian bool RewriteObjCFieldDeclType(QualType &Type, std::string &Result); 35297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 35372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian void RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl, 35472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian std::string &Result); 35572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 35664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void Initialize(ASTContext &context); 35764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. AST transformation routines. Somtimes they end up calling 35964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewriting routines on the new ASTs. 36064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 36164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr **args, unsigned nargs, 36264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 36364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 36464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 36564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 36664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 36764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 36864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 36964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 37064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFunctionDecl(); 37164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperFunctionDecl(); 37264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendStretFunctionDecl(); 37364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 37464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 37564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetClassFunctionDecl(); 37664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetMetaClassFunctionDecl(); 37764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 37864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSelGetUidFunctionDecl(); 37964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSuperContructorFunctionDecl(); 38064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 38164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting metadata 38264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian template<typename MethodIterator> 38364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 38464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 38564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 38664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 38764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 38864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 389da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 390da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result); 39164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCProtocolListMetaData( 39264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Prots, 39364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, std::string &Result); 39464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 39564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 396e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian virtual void RewriteClassSetupInitHook(std::string &Result); 397e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian 39864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteMetaDataIntoBuffer(std::string &Result); 39910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian virtual void WriteImageInfo(std::string &Result); 40064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 40164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 402e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian virtual void RewriteCategorySetupInitHook(std::string &Result); 40364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting ivar 40564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 40664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 40764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV); 40864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 41064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 41164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 41264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 41364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 41464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 41564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockImpl(BlockExpr *CE, 41664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag, std::string Desc); 41764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockDescriptor(std::string DescTag, 41864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, 41964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int i, StringRef funcName, 42064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy); 42164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 42264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthesizeBlockLiterals(SourceLocation FunLocStart, 42364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName); 42464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SynthBlockInitFunctionDecl(StringRef name); 42564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 426f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs); 42764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 42864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. helper routines. 42964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getProtocolType(); 43064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void WarnAboutReturnGotoStmts(Stmt *S); 43164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 43264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 43364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 43464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsDeclStmtInForeachHeader(DeclStmt *DS); 43664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CollectBlockDeclRefInfo(BlockExpr *Exp); 43764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetBlockDeclRefExprs(Stmt *S); 43864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 439f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs, 44064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 44164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 44264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We avoid calling Type::isBlockPointerType(), since it operates on the 44364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // canonical type. We only care if the top-level type is a closure pointer. 44464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isTopLevelBlockPointerType(QualType T) { 44564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return isa<BlockPointerType>(T); 44664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 44764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 44864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 44964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 45064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// otherwise. 45164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 45264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 45364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 45464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 45564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 45664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 45864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool convertObjCTypeToCStyleType(QualType &T); 461164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 46264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool needToScanForQualifiers(QualType T); 46364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSuperStructType(); 46464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getConstantStringStructType(); 46564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 46664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 46764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 469e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian if (T->isObjCQualifiedIdType()) { 470e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian bool isConst = T.isConstQualified(); 471e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian T = isConst ? Context->getObjCIdType().withConst() 472e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian : Context->getObjCIdType(); 473e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian } 47464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCQualifiedClassType()) 47564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCClassType(); 47664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCObjectPointerType() && 47764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) { 47864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCObjectPointerType * OBJPT = 47964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getAsObjCInterfacePointerType()) { 48064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType(); 48164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = QualType(IFaceT, 0); 48264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(T); 48364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This predicate seems like it would be useful to add to ASTContext. 48864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isObjCType(QualType T) { 48964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 49064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 49164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 49364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 49564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OCT == Context->getCanonicalType(Context->getObjCClassType())) 49664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 49764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = OCT->getAs<PointerType>()) { 49964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 50064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PT->getPointeeType()->isObjCQualifiedIdType()) 50164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 50264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 50464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyBlockArguments(QualType QT); 50664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 50764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetExtentOfArgList(const char *Name, const char *&LParen, 50864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen); 50964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 51064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void QuoteDoublequotes(std::string &From, std::string &To) { 51164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < From.length(); i++) { 51264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (From[i] == '"') 51364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += "\\\""; 51464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 51564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += From[i]; 51664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 51764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 51864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 51964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSimpleFunctionType(QualType result, 52064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const QualType *args, 52164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs, 52264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool variadic = false) { 52364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (result == Context->getObjCInstanceType()) 52464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian result = Context->getObjCIdType(); 52564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionProtoType::ExtProtoInfo fpi; 52664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian fpi.Variadic = variadic; 52764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getFunctionType(result, args, numArgs, fpi); 52864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 52964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Helper function: create a CStyleCastExpr with trivial type source info. 53164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 53264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind Kind, Expr *E) { 53364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 53464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 53564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation()); 53664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 53788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 53888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian bool ImplementationIsNonLazy(const ObjCImplDecl *OD) const { 53988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian IdentifierInfo* II = &Context->Idents.get("load"); 54088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Selector LoadSel = Context->Selectors.getSelector(0, &II); 54188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian return OD->getClassMethod(LoadSel) != 0; 54288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 54364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 54464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 54664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 54864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl *D) { 54964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *fproto 55064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 55164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 55264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = fproto->arg_type_end(); I && (I != E); ++I) 55364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) { 55464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // All the args are checked/rewritten. Don't call twice! 55564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(D); 55664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 55764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 55864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 55964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 56064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 56264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = funcType->getAs<PointerType>(); 56364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 56464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 56564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 56664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 56864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 56964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 57064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DotPos == std::string::npos) { 57164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // no file extension 57264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 57364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 57464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 57564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 57664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C header: .h 57764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C++ header: .hh or .H; 57864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 57964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 58064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 58164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteModernObjC(std::string inFile, raw_ostream* OS, 58264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 58364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn) 58464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 58564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning(silenceMacroWarn) { 58664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IsHeader = IsHeaderFile(inFile); 58764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 58864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriting sub-expression within a macro (may not be correct)"); 589d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian // FIXME. This should be an error. But if block is not called, it is OK. And it 590d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian // may break including some headers. 591d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian GlobalBlockRewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 592d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian "rewriting block literal declared in global scope is not implemented"); 593d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian 59464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag = Diags.getCustomDiagID( 59564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine::Warning, 59664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriter doesn't support user-specified control flow semantics " 59764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "for @try/@finally (code may not execute properly)"); 59864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 59964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianASTConsumer *clang::CreateModernObjCRewriter(const std::string& InFile, 60164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian raw_ostream* OS, 60264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &Diags, 60364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const LangOptions &LOpts, 60464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning) { 60564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return new RewriteModernObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 60664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 60764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InitializeCommon(ASTContext &context) { 60964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context = &context; 61064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM = &Context->getSourceManager(); 61164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TUDecl = Context->getTranslationUnitDecl(); 61264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = 0; 61364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = 0; 61464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = 0; 61564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = 0; 61664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = 0; 61764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = 0; 61864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = 0; 61964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = 0; 62064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = 0; 62164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CFStringFunctionDecl = 0; 62264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = 0; 62364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NSStringRecord = 0; 62464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 62564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 62664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 62764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 628df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp = 0; 62964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = 0; 63064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = 0; 63164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = 0; 63264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BcLabelCount = 0; 63364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = 0; 63464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NumObjCStringLiterals = 0; 63564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 63664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 63764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 63864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = false; 63964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the ID and start/end of the main file. 64164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileID = SM->getMainFileID(); 64264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 64364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileStart = MainBuf->getBufferStart(); 64464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileEnd = MainBuf->getBufferEnd(); 64564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6464e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOpts()); 64764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 64864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 65064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Top Level Driver Code 65164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 65264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTopLevelSingleDecl(Decl *D) { 65464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 65564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 65664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Two cases: either the decl could be in the main file, or it could be in a 65864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #included file. If the former, rewrite it now. If the later, check to see 65964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // if we rewrote the #include/#import. 66064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = D->getLocation(); 66164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = SM->getExpansionLoc(Loc); 66264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 66364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If this is for a builtin, ignore it. 66464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid()) return; 66564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 66664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Look for built-in declarations that we need to refer during the rewrite. 66764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 66864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionDecl(FD); 66964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 67064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <Foundation/NSString.h> 67164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FVD->getName() == "_NSConstantStringClassReference") { 67264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = FVD; 67364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 67464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 67564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 67664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCategoryDecl(CD); 67764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 67864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isThisDeclarationADefinition()) 67964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProtocolDecl(PD); 68064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 6818e86b2d03e6e58ef9a58d1d3ad70726ae7a3b4fdFariborz Jahanian // FIXME. This will not work in all situations and leaving it out 6828e86b2d03e6e58ef9a58d1d3ad70726ae7a3b4fdFariborz Jahanian // is harmless. 6838e86b2d03e6e58ef9a58d1d3ad70726ae7a3b4fdFariborz Jahanian // RewriteLinkageSpec(LSD); 6848e86b2d03e6e58ef9a58d1d3ad70726ae7a3b4fdFariborz Jahanian 68564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Recurse into linkage specifications 68664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclContext::decl_iterator DI = LSD->decls_begin(), 68764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DIEnd = LSD->decls_end(); 68864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DIEnd; ) { 68964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) { 69064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!IFace->isThisDeclarationADefinition()) { 69164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 69264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = IFace->getLocStart(); 69364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 69464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceDecl>(*DI) && 69564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() && 69664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 69764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 69864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 69964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 70064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 70264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 70364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(DG); 70464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 70564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 706b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian else { 707b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian // Keep track of all interface declarations seen. 708b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian ObjCInterfacesSeen.push_back(IFace); 709b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian ++DI; 710b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian continue; 711b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian } 71264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 71464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) { 71564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 71664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 71764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = Proto->getLocStart(); 71864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 71964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCProtocolDecl>(*DI) && 72064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() && 72164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 72264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 72364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 72464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 72564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 72664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 72764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 72864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(DG); 72964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 73064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 73164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 73264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 73364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*DI); 73464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 73564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 73664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 73764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we have a decl in the main file, see if we should rewrite it. 73864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->isFromMainFile(Loc)) 73964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return HandleDeclInMainFile(D); 74064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 74164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 74364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Syntactic (non-AST) Rewriting Code 74464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 74564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInclude() { 74764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 74864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef MainBuf = SM->getBufferData(MainFileID); 74964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufStart = MainBuf.begin(); 75064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufEnd = MainBuf.end(); 75164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian size_t ImportLen = strlen("import"); 75264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 75364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Loop over the whole file, looking for includes. 75464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 75564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*BufPtr == '#') { 75664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 75764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 75864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 75964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 76064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 76164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 76264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace import with include 76364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation ImportLoc = 76464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart.getLocWithOffset(BufPtr-MainBufStart); 76564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(ImportLoc, ImportLen, "include"); 76664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BufPtr += ImportLen; 76764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 76864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 76964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 77064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 77164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 77264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 77364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 77464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 77564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "((struct "; 77664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ClassDecl->getIdentifier()->getName(); 77764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_IMPL *)self)->"; 77864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += OID->getName(); 77964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 78064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 78164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 78264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 78364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 78464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID) { 78564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcGetPropertyDefined = false; 78664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcSetPropertyDefined = false; 78764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = PID->getLocStart(); 78864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, "// "); 78964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 79064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synthesize location"); 79164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 79264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 79364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = 79464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startBuf+1); 79564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 79664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 79764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // FIXME: is this correct? 79864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 79964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'getter' function. 80064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = PID->getPropertyDecl(); 80164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 80264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 80364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!OID) 80464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 80564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 80664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 80764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 80864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 80964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 81064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Getr; 81164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 81264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcGetPropertyDefined = true; 81364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 81464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 81564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 81664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 81764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 81864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 81964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "{ "; 82064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 82164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 82264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty) { 82364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 82464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "typedef "; 82564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 82664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 82764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FPRetType); 82864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += " _TYPE"; 82964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 83064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 83164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 83264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 83364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 83464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "("; 83564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 83664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) Getr += ", "; 83764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 83864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 83964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ParamStr; 84064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 84264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 84364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "..."; 84464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; 84664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 84764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "()"; 84864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ";\n"; 85064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return (_TYPE)"; 85164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 85264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Getr); 85364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ", 1)"; 85464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 85564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 85664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 85764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "; }"; 85864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 85964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 86064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 86164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 86264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 86364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 86464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'setter' function. 86564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Setr; 86664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 86764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 86864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 86964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcSetPropertyDefined = true; 87064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 87164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 87264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 87364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 87464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 87564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 87664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 87764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "{ "; 87864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to initialize the ivar. 87964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_setter() for details. 88064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty) { 88164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 88264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Setr); 88364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", (id)"; 88464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 88564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", "; 88664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 88764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0, "; 88864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 88964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1, "; 89064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 89164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1)"; 89264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 89364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0)"; 89464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 89564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 89664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 89764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 89864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 89964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "; }"; 90064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Setr); 90164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 90264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 90364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl, 90464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &typedefString) { 90564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#ifndef _REWRITER_typedef_"; 90664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 90764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 90864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#define _REWRITER_typedef_"; 90964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 91064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 91164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "typedef struct objc_object "; 91264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 913c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian // typedef struct { } _objc_exc_Classname; 914c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian typedefString += ";\ntypedef struct {} _objc_exc_"; 915c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 91664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n#endif\n"; 91764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 91864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 91964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 92064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString) { 92164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = ClassDecl->getLocStart(); 92264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 92364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiPtr = strchr(startBuf, ';'); 92464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the @class with typedefs corresponding to the classes. 92564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 92664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 92764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl(DeclGroupRef D) { 92964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 93064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 93164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(*I); 93264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == D.begin()) { 93364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Translate to typedef's that forward reference structs with the same name 93464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as the class. As a convenience, we include the original declaration 93564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as a comment. 93664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 93764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 93864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 93964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 94064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 94164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 94264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclGroupRef::iterator I = D.begin(); 94364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString); 94464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 94564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 94664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl( 94764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::SmallVector<Decl*, 8> &D) { 94864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 94964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < D.size(); i++) { 95064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]); 95164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i == 0) { 95264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 95364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 95464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 95564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 95664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 95764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 95864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString); 95964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 96064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 96264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 96364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // nothing to rewrite. 96464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Method->isImplicit()) 96564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 96664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = Method->getLocStart(); 96764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = Method->getLocEnd(); 96864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->getExpansionLineNumber(LocEnd) > 97064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM->getExpansionLineNumber(LocStart)) { 97164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "#if 0\n"); 97264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, 1, ";\n#endif\n"); 97364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 97464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "// "); 97564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 97664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 97764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProperty(ObjCPropertyDecl *prop) { 97964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 98064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Loc, 0, "// "); 98264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle properties that are declared across multiple lines. 98364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 98464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 98664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CatDecl->getLocStart(); 98764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle category headers that are declared across multiple lines. 98964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 990af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (CatDecl->getIvarLBraceLoc().isValid()) 991af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(CatDecl->getIvarLBraceLoc(), "// "); 992d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator 993d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian I = CatDecl->ivar_begin(), E = CatDecl->ivar_end(); I != E; ++I) { 994d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian ObjCIvarDecl *Ivar = (*I); 995d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian SourceLocation LocStart = Ivar->getLocStart(); 996d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian ReplaceText(LocStart, 0, "// "); 997d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 998af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (CatDecl->getIvarRBraceLoc().isValid()) 999af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(CatDecl->getIvarRBraceLoc(), "// "); 1000af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian 100164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 100264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 100364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 100464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::instmeth_iterator 100664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 100764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 100864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 100964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::classmeth_iterator 101064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 101164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 101264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 101364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 101564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 101664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strlen("@end"), "/* @end */"); 101764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 101864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 102064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = PDecl->getLocStart(); 102164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(PDecl->isThisDeclarationADefinition()); 102264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 102364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle protocol headers that are declared across multiple lines. 102464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 102564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 102664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 102764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 102864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 102964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 103064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 103164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 103264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 103364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 103464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 103664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 103764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 103864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 104064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 104164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 104264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must comment out @optional/@required 104464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 104564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 104664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 104764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 104864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 104964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 105064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 105264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 105364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 105464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 105564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 105764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 105864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 105964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 106064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardProtocolDecl(DeclGroupRef D) { 106164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = (*D.begin())->getLocStart(); 106264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 106364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 106464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 106564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 106664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 106764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 106864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid 106964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG) { 107064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = DG[0]->getLocStart(); 107164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 107264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 107364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 107464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 107564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 107664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1077b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanianvoid 1078b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz JahanianRewriteModernObjC::RewriteLinkageSpec(LinkageSpecDecl *LSD) { 1079b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian SourceLocation LocStart = LSD->getExternLoc(); 1080b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian if (LocStart.isInvalid()) 1081b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian llvm_unreachable("Invalid extern SourceLocation"); 1082b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian 1083b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 1084b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian if (!LSD->hasBraces()) 1085b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian return; 1086b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian // FIXME. We don't rewrite well if '{' is not on same line as 'extern'. 1087b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian SourceLocation LocRBrace = LSD->getRBraceLoc(); 1088b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian if (LocRBrace.isInvalid()) 1089b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian llvm_unreachable("Invalid rbrace SourceLocation"); 1090b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian ReplaceText(LocRBrace, 0, "// "); 1091b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian} 1092b3f904f79bbe55f3e088d7174d64d20d186914a1Fariborz Jahanian 109364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 109464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType) { 109564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 109664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id"; 109764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isFunctionPointerType() || 109864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->isBlockPointerType()) { 109964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // needs special handling, since pointer-to-functions have special 110064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // syntax (where a decaration models use). 110164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType retType = T; 110264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PointeeTy; 110364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType* PT = retType->getAs<PointerType>()) 110464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = PT->getPointeeType(); 110564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 110664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = BPT->getPointeeType(); 110764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 110864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += FPRetType->getResultType().getAsString( 110964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 111064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "(*"; 111164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 111364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += T.getAsString(Context->getPrintingPolicy()); 111464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 111564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 111764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD, 111864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &ResultStr) { 111964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 112064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 112164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\nstatic "; 112264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 112364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " "; 112464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 112564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique method name 112664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string NameStr; 112764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 112864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) 112964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_I_"; 113064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 113164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_C_"; 113264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 113364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += IDecl->getNameAsString(); 113464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 113564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 113664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCCategoryImplDecl *CID = 113764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 113864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += CID->getNameAsString(); 113964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 114064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 114164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Append selector names, replacing ':' with '_' 114264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 114364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string selString = OMD->getSelector().getAsString(); 114464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int len = selString.size(); 114564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < len; i++) 114664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (selString[i] == ':') 114764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selString[i] = '_'; 114864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += selString; 114964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 115064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember this name for metadata emission 115164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 115264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += NameStr; 115364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 115464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite arguments 115564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 115664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 115764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // invisible arguments 115864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) { 115964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 116064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 116164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.MicrosoftExt) { 116264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 116364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 116464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 116564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When rewriting for Microsoft, explicitly omit the structure name. 116664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 116764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " *"; 116864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 116964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 117064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCClassType().getAsString( 117164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 117264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 117364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " self, "; 117464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy()); 117564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " _cmd"; 117664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 117764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Method arguments. 117864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 117964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 118064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParmVarDecl *PDecl = *PI; 118164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", "; 118264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PDecl->getType()->isObjCQualifiedIdType()) { 118364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id "; 118464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += PDecl->getNameAsString(); 118564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 118664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = PDecl->getNameAsString(); 118764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = PDecl->getType(); 118864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 11892610f90135571be7bf983c80a1cf7bfa0844dc57Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(QT); 11902610f90135571be7bf983c80a1cf7bfa0844dc57Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 119164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Name; 119264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 119364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 119464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isVariadic()) 119564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", ..."; 119664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ") "; 119764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 119864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 119964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; // close the precedence "scope" for "*". 120064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 120164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 120264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 120364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 120464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 120564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) ResultStr += ", "; 120664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 120764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 120864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ParamStr; 120964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 121164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) ResultStr += ", "; 121264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "..."; 121364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; 121564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 121664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "()"; 121764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 122064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementationDecl(Decl *OID) { 122164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 122264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 122364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1224d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian if (IMD) { 1225d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian InsertText(IMD->getLocStart(), "// "); 1226af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (IMD->getIvarLBraceLoc().isValid()) 1227af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(IMD->getIvarLBraceLoc(), "// "); 1228af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator 1229af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian I = IMD->ivar_begin(), E = IMD->ivar_end(); I != E; ++I) { 1230af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian ObjCIvarDecl *Ivar = (*I); 1231af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian SourceLocation LocStart = Ivar->getLocStart(); 1232af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 1233d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 1234af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (IMD->getIvarRBraceLoc().isValid()) 1235af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(IMD->getIvarRBraceLoc(), "// "); 1236d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 1237d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian else 1238d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian InsertText(CID->getLocStart(), "// "); 123964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 124064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::instmeth_iterator 124164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 124264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 124364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 124464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 124564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 124664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 124764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 124864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 124964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 125164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 125264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 125364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 125464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::classmeth_iterator 125664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 125764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 125864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 125964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 126064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 126164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 126264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 126364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 126464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 126564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 126664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 126764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 126864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 126964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::propimpl_iterator 127064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 127164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 127264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 127364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewritePropertyImplDecl(*I, IMD, CID); 127464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 127564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 127664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 127764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 127864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 127964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 12808f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Do not synthesize more than once. 12818f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (ObjCSynthesizedStructs.count(ClassDecl)) 12828f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian return; 12838f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Make sure super class's are written before current class is written. 12848f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *SuperClass = ClassDecl->getSuperClass(); 12858f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian while (SuperClass) { 12868f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteInterfaceDecl(SuperClass); 12878f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian SuperClass = SuperClass->getSuperClass(); 12888f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 128964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 1290cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian if (!ObjCWrittenInterfaces.count(ClassDecl->getCanonicalDecl())) { 129164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we haven't seen a forward decl - generate a typedef. 1292c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian RewriteOneForwardClassDecl(ClassDecl, ResultStr); 129372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian RewriteIvarOffsetSymbols(ClassDecl, ResultStr); 129472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 12954339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteObjCInternalStruct(ClassDecl, ResultStr); 1296cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian // Mark this typedef as having been written into its c++ equivalent. 1297cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian ObjCWrittenInterfaces.insert(ClassDecl->getCanonicalDecl()); 12984339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian 12994339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 130064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ClassDecl->prop_end(); I != E; ++I) 13014339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteProperty(*I); 13024339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::instmeth_iterator 130364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 13044339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 13054339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 13064339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::classmeth_iterator 130764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 13084339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 13094339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 131064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13114339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian // Lastly, comment out the @end. 13124339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 13134339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian "/* @end */"); 13144339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian } 131564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 131664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) { 131864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 131964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 132064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 132164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 132264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 132364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr( 132464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PseudoOp->getNumSemanticExprs() - 1)); 132564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 132664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 132764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 132888ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Expr *Base; 132988ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian SmallVector<Expr*, 2> Args; 133064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 133164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 133264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 133364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 133464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = 0; 133564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 133664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 133764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 133864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 133964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 134088ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian 134188ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian unsigned numArgs = OldMsg->getNumArgs(); 134288ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 134388ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Expr *Arg = OldMsg->getArg(i); 134488ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian if (isa<OpaqueValueExpr>(Arg)) 134588ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Arg = cast<OpaqueValueExpr>(Arg)->getSourceExpr(); 134688ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Arg = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Arg)); 134788ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Args.push_back(Arg); 134888ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian } 134964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 135064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // TODO: avoid this copy. 135264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 135364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelectorLocs(SelLocs); 135464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 135664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 135764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 135864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 135964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 136064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 136164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 136264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 136364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 136464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 136588ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Args, 136664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 136764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 136864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 136964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 137064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 137164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 137264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 137364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 137464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 137564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 137664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 137764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 137888ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Args, 137964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 138064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 138164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 138264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 138364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 138464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 138564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 138664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 138764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 138864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 138964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 139064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 139164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 139264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 139364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 139488ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Args, 139564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 139664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 139764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 139864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 139964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 140164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 140264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 140364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 140464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) { 140664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 140764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 140964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 141064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 141164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit()); 141264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 141364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 141464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 141564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base = 0; 141688ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian SmallVector<Expr*, 1> Args; 141764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 141864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 141964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 142064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 142164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 142264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 142364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 142464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 142588ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian unsigned numArgs = OldMsg->getNumArgs(); 142688ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 142788ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Expr *Arg = OldMsg->getArg(i); 142888ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian if (isa<OpaqueValueExpr>(Arg)) 142988ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Arg = cast<OpaqueValueExpr>(Arg)->getSourceExpr(); 143088ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Arg = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Arg)); 143188ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian Args.push_back(Arg); 143288ec6100812d8f551a824d7884e21aaa68138330Fariborz Jahanian } 143364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 143464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Intentionally empty. 143664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 143764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 143964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 144064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 144164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 144264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 144364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 144464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 144564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 144664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 144764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 144864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 144964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 145064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 145164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 145264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 145364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 145464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 145564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 145664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 145764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 145864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 145964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 146064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 146164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 146264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 146364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 146464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 146564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 146664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 146764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 146864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 146964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 147064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 147164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 147264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 147364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 147464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 147564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 147664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 147764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 147864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 147964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 148064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 148164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 148264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 148364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 148464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 148564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 148664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 148764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 148864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthCountByEnumWithState - To print: 148964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ((unsigned int (*) 149064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 149164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (void *)objc_msgSend)((id)l_collection, 149264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// sel_registerName( 149364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// "countByEnumeratingWithState:objects:count:"), 149464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// &enumState, 149564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id *)__rw_items, (unsigned int)16) 149664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 149764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthCountByEnumWithState(std::string &buf) { 149864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 149964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id *, unsigned int))(void *)objc_msgSend)"; 150064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 150164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((id)l_collection,\n\t\t"; 150264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 150364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 150464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "&enumState, " 150564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "(id *)__rw_items, (unsigned int)16)"; 150664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 150764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 150864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 150964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to exit to its outer synthesized loop. 151064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 151164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBreakStmt(BreakStmt *S) { 151264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 151364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 151464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace break with goto __break_label 151564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 151664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 151764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 151864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __break_label_"; 151964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 152064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("break"), buf); 152164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 152264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 152364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 152464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 152564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 152664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to continue with its inner synthesized loop. 152764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 152864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteContinueStmt(ContinueStmt *S) { 152964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 153064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 153164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace continue with goto __continue_label 153264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 153364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 153464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 153564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __continue_label_"; 153664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 153764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("continue"), buf); 153864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 153964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 154064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 154164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 154264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 154364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It rewrites: 154464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// for ( type elem in collection) { stmts; } 154564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 154664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// Into: 154764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// { 154864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// type elem; 154964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 155064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id __rw_items[16]; 155164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id l_collection = (id)collection; 155264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 155364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]; 155464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (limit) { 155564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 155664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 155764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long counter = 0; 155864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 155964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (startMutations != *enumState.mutationsPtr) 156064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_enumerationMutation(l_collection); 156164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 156264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// stmts; 156364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __continue_label: ; 156464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (counter < limit); 156564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 156664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]); 156764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 156864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __break_label: ; 156964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 157064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// else 157164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 157264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 157364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 157464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 157564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd) { 157664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 157764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 157864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 157964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!ObjCBcLabelNo.empty() && 158064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 158164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 158264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 158364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 158464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef elementName; 158564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string elementTypeAsString; 158664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 158764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "\n{\n\t"; 158864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 158964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // type elem; 159064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 159164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElementType = cast<ValueDecl>(D)->getType(); 159264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ElementType->isObjCQualifiedIdType() || 159364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ElementType->isObjCQualifiedInterfaceType()) 159464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 159564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 159664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 159764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy()); 159864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 159964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " "; 160064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = D->getName(); 160164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 160264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 160364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 160464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 160564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 160664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = DR->getDecl()->getName(); 160764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 160864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getType()->isObjCQualifiedIdType() || 160964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCQualifiedInterfaceType()) 161064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 161164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 161264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 161364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy()); 161464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 161564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 161664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 161764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 161864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id __rw_items[16]; 161964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id __rw_items[16];\n\t"; 162064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id l_collection = (id) 162164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id l_collection = (id)"; 162264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find start location of 'collection' the hard way! 162364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startCollectionBuf = startBuf; 162464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 162564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 162664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; // skip '(' 162764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // find 'in' and skip it. 162864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startCollectionBuf != ' ' || 162964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 163064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 163164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 163264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; 163364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; 163464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 163564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace: "for (type element in" with string constructed thus far. 163664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 163764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 163864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 163964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 164064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf); 164164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 164264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 164364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 164464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // objects:__rw_items count:16]; 164564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // which is synthesized into: 164664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned int limit = 164764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ((unsigned int (*) 164864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 164964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (void *)objc_msgSend)((id)l_collection, 165064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // sel_registerName( 165164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // "countByEnumeratingWithState:objects:count:"), 165264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct __objcFastEnumerationState *)&state, 165364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id *)__rw_items, (unsigned int)16); 165464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 165564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 165664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 165764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (limit) { 165864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 165964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 166064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long counter = 0; 166164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 166264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (startMutations != *enumState.mutationsPtr) 166364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objc_enumerationMutation(l_collection); 166464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 166564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (limit) {\n\t"; 166664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 166764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t"; 166864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 166964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t\t"; 167064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 167164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 167264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 167364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = ("; 167464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 167564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 167664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 167764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lparenLoc, 1, buf); 167864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 167964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __continue_label: ; 168064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (counter < limit); 168164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 168264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objects:__rw_items count:16]); 168364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 168464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __break_label: ; 168564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 168664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// else 168764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 168864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 168964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// 169064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 169164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__continue_label_"; 169264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 169364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;"; 169464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 169564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 169664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (limit = "; 169764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 169864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ");\n\t"; 169964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 170064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 170164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 170264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 170364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__break_label_"; 170464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 170564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;\n\t"; 170664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n\t"; 170764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else\n\t\t"; 170864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 170964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 171064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 171164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 171264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 171364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 171464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert all these *after* the statement body. 171564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 171664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<CompoundStmt>(S->getBody())) { 171764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1); 171864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 171964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 172064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Need to treat single statements specially. For example: 172164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 172264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) if (stuff()) break; 172364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) xxxyy; 172464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 172564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * The following code simply scans ahead to the semi to find the actual end. 172664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 172764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *stmtBuf = SM->getCharacterData(OrigEnd); 172864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(stmtBuf, ';'); 172964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(semiBuf && "Can't find ';'"); 173064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1); 173164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 173264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 173364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 173464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.pop_back(); 173564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 173664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 173764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1738542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanianstatic void Write_RethrowObject(std::string &buf) { 1739542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "{ struct _FIN { _FIN(id reth) : rethrow(reth) {}\n"; 1740542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "\t~_FIN() { if (rethrow) objc_exception_throw(rethrow); }\n"; 1741542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "\tid rethrow;\n"; 1742542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "\t} _fin_force_rethow(_rethrow);"; 1743542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian} 1744542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 174564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCSynchronizedStmt - 174664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 174764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// into: 174864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_sync_enter(expr); 174964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 175064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 175164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 175264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 175364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 175464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 175564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 175764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 175922e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf = "{ id _rethrow = 0; id _sync_obj = "; 1760542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 176164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lparenBuf = startBuf; 176264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*lparenBuf != '(') lparenBuf++; 176364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 176422e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian 176522e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf = "; objc_sync_enter(_sync_obj);\n"; 176622e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "try {\n\tstruct _SYNC_EXIT { _SYNC_EXIT(id arg) : sync_exit(arg) {}"; 176722e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "\n\t~_SYNC_EXIT() {objc_sync_exit(sync_exit);}"; 176822e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "\n\tid sync_exit;"; 176922e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "\n\t} _sync_exit(_sync_obj);\n"; 177022e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian 177122e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 177222e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // the sync expression is typically a message expression that's already 177322e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // been rewritten! (which implies the SourceLocation's are invalid). 177422e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian SourceLocation RParenExprLoc = S->getSynchBody()->getLocStart(); 177522e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian const char *RParenExprLocBuf = SM->getCharacterData(RParenExprLoc); 177622e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian while (*RParenExprLocBuf != ')') RParenExprLocBuf--; 177722e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian RParenExprLoc = startLoc.getLocWithOffset(RParenExprLocBuf-startBuf); 177822e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian 177922e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian SourceLocation LBranceLoc = S->getSynchBody()->getLocStart(); 178022e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian const char *LBraceLocBuf = SM->getCharacterData(LBranceLoc); 178122e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian assert (*LBraceLocBuf == '{'); 178222e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian ReplaceText(RParenExprLoc, (LBraceLocBuf - SM->getCharacterData(RParenExprLoc) + 1), buf); 1783542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 1784b655bf06d99bbdb58de5d012642b87cabddabd83Fariborz Jahanian SourceLocation startRBraceLoc = S->getSynchBody()->getLocEnd(); 17859ab511cde246a3a4e47b5b1c4aa2b861fcff08d5Matt Beaumont-Gay assert((*SM->getCharacterData(startRBraceLoc) == '}') && 17869ab511cde246a3a4e47b5b1c4aa2b861fcff08d5Matt Beaumont-Gay "bogus @synchronized block"); 1787542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 1788542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf = "} catch (id e) {_rethrow = e;}\n"; 1789542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian Write_RethrowObject(buf); 179064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 1791542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "}\n"; 179264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1793b655bf06d99bbdb58de5d012642b87cabddabd83Fariborz Jahanian ReplaceText(startRBraceLoc, 1, buf); 179464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 179664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 179764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::WarnAboutReturnGotoStmts(Stmt *S) 179964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 180064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 180164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 180264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 180364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(*CI); 180464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 180664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(S->getLocStart()), 180764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag); 180864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 180964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 181064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 181164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 181264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 1813b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt(); 1814220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian bool noCatch = S->getNumCatchStmts() == 0; 1815b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian std::string buf; 1816b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian 1817b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian if (finalStmt) { 1818220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian if (noCatch) 1819220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "{ id volatile _rethrow = 0;\n"; 1820220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian else { 1821220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "{ id volatile _rethrow = 0;\ntry {\n"; 1822220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian } 1823b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian } 182464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 182564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 182664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 182764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 182864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @try location"); 1829b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian if (finalStmt) 1830b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian ReplaceText(startLoc, 1, buf); 1831b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian else 1832b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian // @try -> try 1833b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian ReplaceText(startLoc, 1, ""); 1834b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian 183564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 183664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 18374c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian VarDecl *catchDecl = Catch->getCatchParamDecl(); 1838c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian 183964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = Catch->getLocStart(); 18404c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian bool AtRemoved = false; 18414c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (catchDecl) { 18424c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian QualType t = catchDecl->getType(); 18434c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (const ObjCObjectPointerType *Ptr = t->getAs<ObjCObjectPointerType>()) { 18444c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // Should be a pointer to a class. 18454c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 18464c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (IDecl) { 18474c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian std::string Result; 18484c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 18494c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian assert((*startBuf == '@') && "bogus @catch location"); 18504c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian SourceLocation rParenLoc = Catch->getRParenLoc(); 18514c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian const char *rParenBuf = SM->getCharacterData(rParenLoc); 18524c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian 18534c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // _objc_exc_Foo *_e as argument to catch. 18544c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result = "catch (_objc_exc_"; Result += IDecl->getNameAsString(); 18554c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += " *_"; Result += catchDecl->getNameAsString(); 18564c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += ")"; 18574c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ReplaceText(startLoc, rParenBuf-startBuf+1, Result); 18584c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // Foo *e = (Foo *)_e; 18594c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result.clear(); 18604c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result = "{ "; 18614c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += IDecl->getNameAsString(); 18624c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += " *"; Result += catchDecl->getNameAsString(); 18634c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += " = ("; Result += IDecl->getNameAsString(); Result += "*)"; 18644c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += "_"; Result += catchDecl->getNameAsString(); 18654c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian 18664c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += "; "; 18674c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian SourceLocation lBraceLoc = Catch->getCatchBody()->getLocStart(); 18684c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ReplaceText(lBraceLoc, 1, Result); 18694c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian AtRemoved = true; 18704c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian } 18714c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian } 18724c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian } 18734c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (!AtRemoved) 18744c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // @catch -> catch 18754c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ReplaceText(startLoc, 1, ""); 1876c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian 187764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 1878220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian if (finalStmt) { 1879220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf.clear(); 1880220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian if (noCatch) 1881220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "catch (id e) {_rethrow = e;}\n"; 1882220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian else 1883220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "}\ncatch (id e) {_rethrow = e;}\n"; 1884220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian 1885220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian SourceLocation startFinalLoc = finalStmt->getLocStart(); 1886220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian ReplaceText(startFinalLoc, 8, buf); 1887220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian Stmt *body = finalStmt->getFinallyBody(); 1888220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian SourceLocation startFinalBodyLoc = body->getLocStart(); 1889220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf.clear(); 1890542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian Write_RethrowObject(buf); 1891220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian ReplaceText(startFinalBodyLoc, 1, buf); 1892220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian 1893220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian SourceLocation endFinalBodyLoc = body->getLocEnd(); 1894220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian ReplaceText(endFinalBodyLoc, 1, "}\n}"); 189522e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 189622e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian WarnAboutReturnGotoStmts(S->getTryBody()); 1897220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian } 1898220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian 189964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 190064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 190164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 190264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// This can't be done with ReplaceStmt(S, ThrowExpr), since 190364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// the throw expression is typically a message expression that's already 190464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// been rewritten! (which implies the SourceLocation's are invalid). 190564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 190664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 190764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 190864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 190964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @throw location"); 191164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 191364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* void objc_exception_throw(id) __attribute__((noreturn)); */ 191464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getThrowExpr()) 191564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw("; 191640539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian else 191740539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian buf = "throw"; 191864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // handle "@ throw" correctly. 192064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *wBuf = strchr(startBuf, 'w'); 192164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*wBuf == 'w') && "@throw: can't find 'w'"); 192264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, wBuf-startBuf+1, buf); 192364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 192564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@throw: can't find ';'"); 192664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf); 192740539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian if (S->getThrowExpr()) 192840539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian ReplaceText(semiLoc, 1, ");"); 192964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 193064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 193164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 193364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a new string expression. 193464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType StrType = Context->getPointerType(Context->CharTy); 193564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StrEncoding; 193664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 193764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = StringLiteral::Create(*Context, StrEncoding, 193864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 193964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StrType, SourceLocation()); 194064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, Replacement); 194164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 194264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace this subexpr in the parent. 194364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 194464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 194564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 194664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 194764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 194864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 194964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 195064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 195164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"). 195264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 195364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 195464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 195564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 195664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 195764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 195864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 195964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size()); 196064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, SelExp); 196164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 196264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SelExp; 196364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 196464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 196564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianCallExpr *RewriteModernObjC::SynthesizeCallToFunctionDecl( 196664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 196764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 196864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 196964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = FD->getType(); 197064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 197264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = 1973f4b88a45902af1802a1cb42ba48b1c474474f228John McCall new (Context) DeclRefExpr(FD, false, msgSendType, VK_LValue, SourceLocation()); 197464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, we cast the reference to a pointer to the objc_msgSend type. 197664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType pToFunc = Context->getPointerType(msgSendType); 197764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr *ICE = 197864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 197964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE, 0, VK_RValue); 198064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 198164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 198264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 198364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Exp = 198464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) CallExpr(*Context, ICE, args, nargs, 198564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getCallResultType(*Context), 198664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, EndLoc); 198764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Exp; 198864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 198964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 199064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 199164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&startRef, const char *&endRef) { 199264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 199364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '<') 199464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startRef = startBuf; // mark the start. 199564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '>') { 199664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (startRef && *startRef == '<') { 199764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endRef = startBuf; // mark the end. 199864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 199964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 200064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 200164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 200264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 200364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 200464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 200564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 200664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 200764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 200864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int angle = 0; 200964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 201064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argRef == '<') 201164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle++; 201264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argRef == '>') 201364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle--; 201464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argRef++; 201564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 201664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 201764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 201864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::needToScanForQualifiers(QualType T) { 202064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 202164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 202264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 202364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 202464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 202564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 202664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCObjectPointerType()) { 202764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = T->getPointeeType(); 202864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 202964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 203064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isArrayType()) { 203164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 203264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return needToScanForQualifiers(ElemTy); 203364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 203464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 203564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 203664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 203764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 203864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = E->getType(); 203964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 204064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc, EndLoc; 204164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 204264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 204364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = ECE->getLParenLoc(); 204464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = ECE->getRParenLoc(); 204564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 204664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = E->getLocStart(); 204764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = E->getLocEnd(); 204864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 204964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This will defend against trying to rewrite synthesized expressions. 205064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid() || EndLoc.isInvalid()) 205164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 205264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 205364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 205464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(EndLoc); 205564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 205664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 205764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 205864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf); 205964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1); 206064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 206164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 206264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 206364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 206464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 206564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 206664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 206764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 206864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc; 206964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type; 207064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = 0; 207164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 207264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = VD->getLocation(); 207364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = VD->getType(); 207464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 207564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 207664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 207764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 207864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 207964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 208064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(funcType && "missing function type"); 208164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian proto = dyn_cast<FunctionProtoType>(funcType); 208264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 208364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 208464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = proto->getResultType(); 208564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 208664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 208764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 208864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = FD->getType(); 208964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 209164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 209264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 209364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 209464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 209564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 209664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(Loc); 209764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = endBuf; 209864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 209964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; // scan backward (from the decl location) for return type. 210064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 210164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 210264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 210364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf); 210464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1); 210564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 210664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 210764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 210864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 210964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 211064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 211164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // most likely, was a variable 211264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check arguments. 211364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 211464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startFuncBuf = startBuf; 211564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < proto->getNumArgs(); i++) { 211664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(proto->getArgType(i))) { 211764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 211864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 211964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 212064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan forward (from the decl location) for argument types. 212164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian scanToNextArgument(endBuf); 212264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 212364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 212464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 212564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = 212664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(startRef-startFuncBuf); 212764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = 212864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(endRef-startFuncBuf+1); 212964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 213064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 213164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 213264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 213364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = ++endBuf; 213464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 213564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 213664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If the function name is derived from a macro expansion, then the 213764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // argument buffer will not follow the name. Need to speak with Chris. 213864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf && *startBuf != ')' && *startBuf != ',') 213964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 214064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 214164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 214264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 214364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 214464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 214564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeOfDecl(VarDecl *ND) { 214664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = ND->getType(); 214764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 214864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 214964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 215064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 215164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 215264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 215364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypePtr = QT->getAs<Type>(); 215464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 215664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // __typeof__(a) b,c,d; 215764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy())); 215864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 215964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 216064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ND->getInit()) { 216164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 216264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += " " + Name + " = "; 216364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 216464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 216564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 216664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 216764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 216864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 216964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 217064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 217164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 217264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 217364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 217464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 217564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 217664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 217764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 217864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 217964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 218064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 218164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 218264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSelGetUidFunctionDecl() { 218364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 218464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 218564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 218664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getFuncType = 218764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 218864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 218964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 219064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 219164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidIdent, getFuncType, 0, 219264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 219364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 219464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 219564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 219664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteFunctionDecl(FunctionDecl *FD) { 219764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <objc/objc.h> 219864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getIdentifier() && 219964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getName() == "sel_registerName") { 220064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FD; 220164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 220264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 220364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 220464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 220564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 220664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 220764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 220864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 220964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strchr(argPtr, '^')) { 221064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += TypeString; 221164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 221264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 221364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 221464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 221564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 221664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 221764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 221864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 221964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 222064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerTypeVariable(std::string& Str, 222164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD) { 222264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = VD->getType(); 222364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 222464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 222564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int paren = 0; 222664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 222764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 222864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 222964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 223064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren++; 223164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 223264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 223364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 223464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren--; 223564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 223664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 223764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += '*'; 223864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (paren == 1) 223964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += VD->getNameAsString(); 224064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 224164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 224264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 224364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 224464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 224564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 224664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 224764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 224864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 224964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 225064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 225164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 225264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 225364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 225464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 225564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 225664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = proto->getResultType(); 225764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FdStr = Type.getAsString(Context->getPrintingPolicy()); 225864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += " "; 225964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += FD->getName(); 226064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += "("; 226164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 226264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 226364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ArgType = proto->getArgType(i); 226464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 226564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i+1 < numArgs) 226664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ", "; 226764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 226864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ");\n"; 226964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, FdStr); 227064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 227164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 227264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 227364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 227464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSuperContructorFunctionDecl() { 227564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperContructorFunctionDecl) 227664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 227764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 227864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 227964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 228064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 228164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 228264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 228364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 228464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 228564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 228664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 228764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 228864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 228964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 229064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 229164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 229264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 229364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 229464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFunctionDecl() { 229564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 229664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 229764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 229864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 229964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 230064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 230164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 230264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 230364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 230464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 230564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 230664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 230764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 230864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 230964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 231064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 231164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 231264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 231364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 231464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 231564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperFunctionDecl() { 231664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 231764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 231864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 231964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 232064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 232164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 232264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 232364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 232464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 232564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 232664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 232764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 232864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 232964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 233064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 233164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 233464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 233564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 233664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 233764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 233864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 233964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendStretFunctionDecl() { 234064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 234164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 234264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 234364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 234464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 234564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 234664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 234764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 234864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 234964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 235064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 235164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 235264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 235564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 235664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 235764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 235864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 235964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperStretFunctionDecl - 236064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 236164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperStretFunctionDecl() { 236264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = 236364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 236464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 236564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 236664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 236764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 236864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 236964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 237064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 237264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 237364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 237564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 237664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 237764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 237864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 237964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 238064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 238164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 238264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 238364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 238464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 238564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 238664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFpretFunctionDecl() { 238764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 238864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 238964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 239064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 239164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 239364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 239464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 239664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 239764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 239864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 239964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 240264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 240364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 240464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 240564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 240664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 240764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetClassFunctionDecl() { 240864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 240964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 241064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 241164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 241264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 241364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 241464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 241564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 241664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 241764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 241864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 241964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 242064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 242164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 242264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetSuperClassFunctionDecl() { 242364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 242464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 242564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 242664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 242764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 242864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 242964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 243064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 243164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 243264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSuperClassIdent, 243364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassType, 0, 243464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 243564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, 243664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 243764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 243864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 243964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetMetaClassFunctionDecl - id objc_getMetaClass(const char *name); 244064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetMetaClassFunctionDecl() { 244164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 244264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 244364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 244464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 244564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 244664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 244764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 244864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 244964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 245064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 245164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 245264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 245364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 245564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType strType = getConstantStringStructType(); 245664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "__NSConstantStringImpl_"; 245864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string tmpName = InFileName; 246064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned i; 246164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (i=0; i < tmpName.length(); i++) { 246264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char c = tmpName.at(i); 246364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace any non alphanumeric characters with '_'. 246464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isalpha(c) && (c < '0' || c > '9')) 246564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian tmpName[i] = '_'; 246664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 246764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += tmpName; 246864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_"; 246964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(NumObjCStringLiterals++); 247064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 247164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "static __NSConstantStringImpl " + S; 247264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 247364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "0x000007c8,"; // utf8_str 247464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The pretty printer for StringLiteral handles escape characters properly. 247564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string prettyBufS; 247664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream prettyBuf(prettyBufS); 247764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getString()->printPretty(prettyBuf, *Context, 0, 247864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 247964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += prettyBuf.str(); 248064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += ","; 248164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 248264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 248364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 248464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), &Context->Idents.get(S), 248564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strType, 0, SC_Static, SC_None); 2486f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, strType, VK_LValue, 248764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 248864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 248964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 249064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 249164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 249264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // cast to NSConstantString * 249364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 249464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_CPointerToObjCPointerCast, Unop); 249564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, cast); 249664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 249764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return cast; 249864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 249964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250055947042d86773b7e16aec12070e1ffe62bff4a6Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCBoolLiteralExpr(ObjCBoolLiteralExpr *Exp) { 250155947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian unsigned IntSize = 250255947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 250355947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian 250455947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian Expr *FlagExp = IntegerLiteral::Create(*Context, 250555947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian llvm::APInt(IntSize, Exp->getValue()), 250655947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian Context->IntTy, Exp->getLocation()); 250755947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Context->ObjCBuiltinBoolTy, 250855947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian CK_BitCast, FlagExp); 250955947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(Exp->getLocation(), Exp->getExprLoc(), 251055947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian cast); 251155947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian ReplaceStmt(Exp, PE); 251255947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian return PE; 251355947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian} 251455947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian 25150f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCNumericLiteralExpr(ObjCNumericLiteral *Exp) { 25160f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // synthesize declaration of helper functions needed in this routine. 25170f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian if (!SelGetUidFunctionDecl) 25180f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SynthSelGetUidFunctionDecl(); 25190f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // use objc_msgSend() for all. 25200f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian if (!MsgSendFunctionDecl) 25210f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SynthMsgSendFunctionDecl(); 25220f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian if (!GetClassFunctionDecl) 25230f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SynthGetClassFunctionDecl(); 25240f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25250f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 25260f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SourceLocation StartLoc = Exp->getLocStart(); 25270f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SourceLocation EndLoc = Exp->getLocEnd(); 25280f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25290f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Synthesize a call to objc_msgSend(). 25300f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SmallVector<Expr*, 4> MsgExprs; 25310f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SmallVector<Expr*, 4> ClsExprs; 25320f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 25330f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian QualType expType = Exp->getType(); 25340f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25350f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Create a call to objc_getClass("NSNumber"). It will be th 1st argument. 25360f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ObjCInterfaceDecl *Class = 25370f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian expType->getPointeeType()->getAs<ObjCObjectType>()->getInterface(); 25380f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25390f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 25400f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 25410f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian clsName->getName(), 25420f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian StringLiteral::Ascii, false, 25430f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian argType, SourceLocation())); 25440f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 25450f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian &ClsExprs[0], 25460f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ClsExprs.size(), 25470f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian StartLoc, EndLoc); 25480f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian MsgExprs.push_back(Cls); 25490f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25500f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Create a call to sel_registerName("numberWithBool:"), etc. 25510f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // it will be the 2nd argument. 25520f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SmallVector<Expr*, 4> SelExprs; 25530f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ObjCMethodDecl *NumericMethod = Exp->getObjCNumericLiteralMethod(); 25540f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 25550f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian NumericMethod->getSelector().getAsString(), 25560f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian StringLiteral::Ascii, false, 25570f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian argType, SourceLocation())); 25580f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 25590f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian &SelExprs[0], SelExprs.size(), 25600f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian StartLoc, EndLoc); 25610f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian MsgExprs.push_back(SelExp); 25620f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25630f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // User provided numeric literal is the 3rd, and last, argument. 25640f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian Expr *userExpr = Exp->getNumber(); 25650f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 25660f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian QualType type = ICE->getType(); 25670f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian const Expr *SubExpr = ICE->IgnoreParenImpCasts(); 25680f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CastKind CK = CK_BitCast; 25690f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian if (SubExpr->getType()->isIntegralType(*Context) && type->isBooleanType()) 25700f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CK = CK_IntegralToBoolean; 25710f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr); 25720f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian } 25730f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian MsgExprs.push_back(userExpr); 25740f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25750f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian SmallVector<QualType, 4> ArgTypes; 25760f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 25770f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 25780f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = NumericMethod->param_begin(), 25790f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian E = NumericMethod->param_end(); PI != E; ++PI) 25800f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ArgTypes.push_back((*PI)->getType()); 25810f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25820f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian QualType returnType = Exp->getType(); 25830f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 25840f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 25850f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25860f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 25870f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType, 25880f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian VK_LValue, SourceLocation()); 25890f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25900f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, 25910f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian Context->getPointerType(Context->VoidTy), 25920f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CK_BitCast, DRE); 25930f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 25940f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Now do the "normal" pointer to function cast. 25950f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian QualType castType = 25960f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 25970f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian NumericMethod->isVariadic()); 25980f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian castType = Context->getPointerType(castType); 25990f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 26000f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian cast); 26010f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 26020f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 26030f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 26040f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 26050f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 26060f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 26070f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian MsgExprs.size(), 26080f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian FT->getResultType(), VK_RValue, 26090f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian EndLoc); 26100f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian ReplaceStmt(Exp, CE); 26110f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian return CE; 26120f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian} 26130f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 261486cff6080ba1db907009885adb5c6c64007e8b48Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCArrayLiteralExpr(ObjCArrayLiteral *Exp) { 261586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // synthesize declaration of helper functions needed in this routine. 261686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian if (!SelGetUidFunctionDecl) 261786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SynthSelGetUidFunctionDecl(); 261886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // use objc_msgSend() for all. 261986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian if (!MsgSendFunctionDecl) 262086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SynthMsgSendFunctionDecl(); 262186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian if (!GetClassFunctionDecl) 262286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SynthGetClassFunctionDecl(); 262386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 262486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 262586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SourceLocation StartLoc = Exp->getLocStart(); 262686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SourceLocation EndLoc = Exp->getLocEnd(); 262786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 2628e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Build the expression: __NSContainer_literal(int, ...).arr 2629b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian QualType IntQT = Context->IntTy; 2630b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian QualType NSArrayFType = 2631b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian getSimpleFunctionType(Context->VoidTy, &IntQT, 1, true); 2632e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian std::string NSArrayFName("__NSContainer_literal"); 2633b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian FunctionDecl *NSArrayFD = SynthBlockInitFunctionDecl(NSArrayFName); 2634b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian DeclRefExpr *NSArrayDRE = 2635b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian new (Context) DeclRefExpr(NSArrayFD, false, NSArrayFType, VK_RValue, 2636b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian SourceLocation()); 2637b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian 2638b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian SmallVector<Expr*, 16> InitExprs; 2639b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian unsigned NumElements = Exp->getNumElements(); 2640b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian unsigned UnsignedIntSize = 2641b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->UnsignedIntTy)); 2642b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Expr *count = IntegerLiteral::Create(*Context, 2643b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian llvm::APInt(UnsignedIntSize, NumElements), 2644b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Context->UnsignedIntTy, SourceLocation()); 2645b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian InitExprs.push_back(count); 2646b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian for (unsigned i = 0; i < NumElements; i++) 2647b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian InitExprs.push_back(Exp->getElement(i)); 2648b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Expr *NSArrayCallExpr = 2649b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian new (Context) CallExpr(*Context, NSArrayDRE, &InitExprs[0], InitExprs.size(), 2650b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian NSArrayFType, VK_LValue, SourceLocation()); 2651b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian 2652b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian FieldDecl *ARRFD = FieldDecl::Create(*Context, 0, SourceLocation(), 2653b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian SourceLocation(), 2654b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian &Context->Idents.get("arr"), 2655b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 0, 2656b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 2657b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian /*HasInit=*/false); 2658b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian MemberExpr *ArrayLiteralME = 2659b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian new (Context) MemberExpr(NSArrayCallExpr, false, ARRFD, 2660b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian SourceLocation(), 2661b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian ARRFD->getType(), VK_LValue, 2662b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian OK_Ordinary); 2663b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian QualType ConstIdT = Context->getObjCIdType().withConst(); 2664b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian CStyleCastExpr * ArrayLiteralObjects = 2665b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 2666b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Context->getPointerType(ConstIdT), 2667b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian CK_BitCast, 2668b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian ArrayLiteralME); 2669b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian 267086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Synthesize a call to objc_msgSend(). 267186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SmallVector<Expr*, 32> MsgExprs; 267286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SmallVector<Expr*, 4> ClsExprs; 267386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 267486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian QualType expType = Exp->getType(); 267586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 267686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Create a call to objc_getClass("NSArray"). It will be th 1st argument. 267786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ObjCInterfaceDecl *Class = 267886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian expType->getPointeeType()->getAs<ObjCObjectType>()->getInterface(); 267986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 268086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 268186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 268286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian clsName->getName(), 268386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian StringLiteral::Ascii, false, 268486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian argType, SourceLocation())); 268586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 268686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian &ClsExprs[0], 268786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ClsExprs.size(), 268886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian StartLoc, EndLoc); 268986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian MsgExprs.push_back(Cls); 269086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 269186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Create a call to sel_registerName("arrayWithObjects:count:"). 269286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // it will be the 2nd argument. 269386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SmallVector<Expr*, 4> SelExprs; 269486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ObjCMethodDecl *ArrayMethod = Exp->getArrayWithObjectsMethod(); 269586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 269686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ArrayMethod->getSelector().getAsString(), 269786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian StringLiteral::Ascii, false, 269886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian argType, SourceLocation())); 269986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 270086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian &SelExprs[0], SelExprs.size(), 270186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian StartLoc, EndLoc); 270286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian MsgExprs.push_back(SelExp); 270386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 2704b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian // (const id [])objects 2705b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian MsgExprs.push_back(ArrayLiteralObjects); 270686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 2707b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian // (NSUInteger)cnt 2708b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Expr *cnt = IntegerLiteral::Create(*Context, 2709b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian llvm::APInt(UnsignedIntSize, NumElements), 2710b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Context->UnsignedIntTy, SourceLocation()); 2711b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian MsgExprs.push_back(cnt); 271286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 271386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 271486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian SmallVector<QualType, 4> ArgTypes; 271586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 271686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 271786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = ArrayMethod->param_begin(), 271886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian E = ArrayMethod->param_end(); PI != E; ++PI) 271986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ArgTypes.push_back((*PI)->getType()); 272086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 272186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian QualType returnType = Exp->getType(); 272286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 272386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 272486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 272586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 272686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType, 272786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian VK_LValue, SourceLocation()); 272886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 272986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, 273086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian Context->getPointerType(Context->VoidTy), 273186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian CK_BitCast, DRE); 273286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 273386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Now do the "normal" pointer to function cast. 273486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian QualType castType = 273586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 273686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ArrayMethod->isVariadic()); 273786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian castType = Context->getPointerType(castType); 273886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 273986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian cast); 274086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 274186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 274286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 274386cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 274486cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 274586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 274686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian MsgExprs.size(), 274786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian FT->getResultType(), VK_RValue, 274886cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian EndLoc); 274986cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian ReplaceStmt(Exp, CE); 275086cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian return CE; 275186cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian} 275286cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 2753e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz JahanianStmt *RewriteModernObjC::RewriteObjCDictionaryLiteralExpr(ObjCDictionaryLiteral *Exp) { 2754e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // synthesize declaration of helper functions needed in this routine. 2755e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian if (!SelGetUidFunctionDecl) 2756e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SynthSelGetUidFunctionDecl(); 2757e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // use objc_msgSend() for all. 2758e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian if (!MsgSendFunctionDecl) 2759e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SynthMsgSendFunctionDecl(); 2760e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian if (!GetClassFunctionDecl) 2761e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SynthGetClassFunctionDecl(); 2762e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2763e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 2764e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SourceLocation StartLoc = Exp->getLocStart(); 2765e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SourceLocation EndLoc = Exp->getLocEnd(); 2766e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2767e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Build the expression: __NSContainer_literal(int, ...).arr 2768e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType IntQT = Context->IntTy; 2769e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType NSDictFType = 2770e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian getSimpleFunctionType(Context->VoidTy, &IntQT, 1, true); 2771e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian std::string NSDictFName("__NSContainer_literal"); 2772e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian FunctionDecl *NSDictFD = SynthBlockInitFunctionDecl(NSDictFName); 2773e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian DeclRefExpr *NSDictDRE = 2774e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian new (Context) DeclRefExpr(NSDictFD, false, NSDictFType, VK_RValue, 2775e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SourceLocation()); 2776e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2777e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SmallVector<Expr*, 16> KeyExprs; 2778e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SmallVector<Expr*, 16> ValueExprs; 2779e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2780e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian unsigned NumElements = Exp->getNumElements(); 2781e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian unsigned UnsignedIntSize = 2782e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->UnsignedIntTy)); 2783e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Expr *count = IntegerLiteral::Create(*Context, 2784e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian llvm::APInt(UnsignedIntSize, NumElements), 2785e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Context->UnsignedIntTy, SourceLocation()); 2786e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian KeyExprs.push_back(count); 2787e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ValueExprs.push_back(count); 2788e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian for (unsigned i = 0; i < NumElements; i++) { 2789e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ObjCDictionaryElement Element = Exp->getKeyValueElement(i); 2790e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian KeyExprs.push_back(Element.Key); 2791e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ValueExprs.push_back(Element.Value); 2792e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian } 2793e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2794e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // (const id [])objects 2795e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Expr *NSValueCallExpr = 2796e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian new (Context) CallExpr(*Context, NSDictDRE, &ValueExprs[0], ValueExprs.size(), 2797e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian NSDictFType, VK_LValue, SourceLocation()); 2798e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2799e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian FieldDecl *ARRFD = FieldDecl::Create(*Context, 0, SourceLocation(), 2800e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SourceLocation(), 2801e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian &Context->Idents.get("arr"), 2802e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 0, 2803e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 2804e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian /*HasInit=*/false); 2805e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MemberExpr *DictLiteralValueME = 2806e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian new (Context) MemberExpr(NSValueCallExpr, false, ARRFD, 2807e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SourceLocation(), 2808e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ARRFD->getType(), VK_LValue, 2809e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian OK_Ordinary); 2810e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType ConstIdT = Context->getObjCIdType().withConst(); 2811e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CStyleCastExpr * DictValueObjects = 2812e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 2813e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Context->getPointerType(ConstIdT), 2814e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CK_BitCast, 2815e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian DictLiteralValueME); 2816e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // (const id <NSCopying> [])keys 2817e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Expr *NSKeyCallExpr = 2818e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian new (Context) CallExpr(*Context, NSDictDRE, &KeyExprs[0], KeyExprs.size(), 2819e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian NSDictFType, VK_LValue, SourceLocation()); 2820e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2821e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MemberExpr *DictLiteralKeyME = 2822e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian new (Context) MemberExpr(NSKeyCallExpr, false, ARRFD, 2823e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SourceLocation(), 2824e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ARRFD->getType(), VK_LValue, 2825e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian OK_Ordinary); 2826e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2827e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CStyleCastExpr * DictKeyObjects = 2828e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 2829e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Context->getPointerType(ConstIdT), 2830e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CK_BitCast, 2831e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian DictLiteralKeyME); 2832e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2833e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2834e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2835e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Synthesize a call to objc_msgSend(). 2836e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SmallVector<Expr*, 32> MsgExprs; 2837e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SmallVector<Expr*, 4> ClsExprs; 2838e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 2839e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType expType = Exp->getType(); 2840e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2841e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Create a call to objc_getClass("NSArray"). It will be th 1st argument. 2842e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ObjCInterfaceDecl *Class = 2843e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian expType->getPointeeType()->getAs<ObjCObjectType>()->getInterface(); 2844e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2845e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 2846e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 2847e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian clsName->getName(), 2848e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian StringLiteral::Ascii, false, 2849e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian argType, SourceLocation())); 2850e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 2851e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian &ClsExprs[0], 2852e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ClsExprs.size(), 2853e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian StartLoc, EndLoc); 2854e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MsgExprs.push_back(Cls); 2855e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2856e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Create a call to sel_registerName("arrayWithObjects:count:"). 2857e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // it will be the 2nd argument. 2858e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SmallVector<Expr*, 4> SelExprs; 2859e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ObjCMethodDecl *DictMethod = Exp->getDictWithObjectsMethod(); 2860e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 2861e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian DictMethod->getSelector().getAsString(), 2862e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian StringLiteral::Ascii, false, 2863e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian argType, SourceLocation())); 2864e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 2865e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian &SelExprs[0], SelExprs.size(), 2866e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian StartLoc, EndLoc); 2867e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MsgExprs.push_back(SelExp); 2868e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2869e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // (const id [])objects 2870e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MsgExprs.push_back(DictValueObjects); 2871e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2872e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // (const id <NSCopying> [])keys 2873e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MsgExprs.push_back(DictKeyObjects); 2874e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2875e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // (NSUInteger)cnt 2876e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Expr *cnt = IntegerLiteral::Create(*Context, 2877e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian llvm::APInt(UnsignedIntSize, NumElements), 2878e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Context->UnsignedIntTy, SourceLocation()); 2879e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MsgExprs.push_back(cnt); 2880e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2881e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2882e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian SmallVector<QualType, 8> ArgTypes; 2883e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 2884e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 2885e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian for (ObjCMethodDecl::param_iterator PI = DictMethod->param_begin(), 2886e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian E = DictMethod->param_end(); PI != E; ++PI) { 2887e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType T = (*PI)->getType(); 2888e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian if (const PointerType* PT = T->getAs<PointerType>()) { 2889e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType PointeeTy = PT->getPointeeType(); 2890e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian convertToUnqualifiedObjCType(PointeeTy); 2891e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian T = Context->getPointerType(PointeeTy); 2892e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian } 2893e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ArgTypes.push_back(T); 2894e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian } 2895e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2896e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType returnType = Exp->getType(); 2897e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Get the type, we will need to reference it in a couple spots. 2898e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 2899e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2900e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Create a reference to the objc_msgSend() declaration. 2901e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType, 2902e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian VK_LValue, SourceLocation()); 2903e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2904e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, 2905e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Context->getPointerType(Context->VoidTy), 2906e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CK_BitCast, DRE); 2907e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2908e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Now do the "normal" pointer to function cast. 2909e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian QualType castType = 2910e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 2911e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian DictMethod->isVariadic()); 2912e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian castType = Context->getPointerType(castType); 2913e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 2914e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian cast); 2915e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2916e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian // Don't forget the parens to enforce the proper binding. 2917e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 2918e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 2919e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 2920e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 2921e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian MsgExprs.size(), 2922e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian FT->getResultType(), VK_RValue, 2923e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian EndLoc); 2924e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian ReplaceStmt(Exp, CE); 2925e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian return CE; 2926e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian} 2927e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 292864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 292964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getSuperStructType() { 293064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SuperStructDecl) { 293164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 293264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 293364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 293464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[2]; 293564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 293664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 293764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 293864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_class *super; 293964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->getObjCClassType(); 294064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 294164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 294264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 2; ++i) { 294364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 294464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 294564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 294664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 294764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 294864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/false, 294964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 295064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 295264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->completeDefinition(); 295364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(SuperStructDecl); 295564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 295664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 295764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getConstantStringStructType() { 295864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ConstantStringDecl) { 295964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 296064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 296164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__NSConstantStringImpl")); 296264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[4]; 296364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 296564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 296664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // int flags; 296764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->IntTy; 296864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // char *str; 296964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[2] = Context->getPointerType(Context->CharTy); 297064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // long length; 297164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[3] = Context->LongTy; 297264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 297364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 297464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 4; ++i) { 297564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 297664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl, 297764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 297864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 297964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 298064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 298164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/true, 298264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 298364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 298464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->completeDefinition(); 298664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 298764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(ConstantStringDecl); 298864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 298964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 299064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 299164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc, 299264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 299364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 299464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 299564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFunctionDecl) 299664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFunctionDecl(); 299764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperFunctionDecl) 299864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperFunctionDecl(); 299964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendStretFunctionDecl) 300064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendStretFunctionDecl(); 300164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 300264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 300364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 300464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 300564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetClassFunctionDecl) 300664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetClassFunctionDecl(); 300764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetSuperClassFunctionDecl) 300864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 300964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetMetaClassFunctionDecl) 301064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetMetaClassFunctionDecl(); 301164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // default to objc_msgSend(). 301364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 301464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // May need to use objc_msgSend_stret() as well. 301564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 301664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 301764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType resultType = mDecl->getResultType(); 301864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (resultType->isRecordType()) 301964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 302064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (resultType->isRealFloatingType()) 302164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 302264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 302364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 302464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize a call to objc_msgSend(). 302564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> MsgExprs; 302664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (Exp->getReceiverKind()) { 302764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: { 302864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 302964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 303064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 303164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 303264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 303364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 303464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 303564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 303664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 303764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set the receiver to self, the first argument to all methods. 303864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 303964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 304064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 304164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 3042f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, 304364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 304464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, 304564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())) 304664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 304764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 304864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 304964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 305064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 305164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 305264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 305364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 305464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 305564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 305664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 305764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 305864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 305964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 306064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 306164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 306264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 306364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 306464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 306564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 306664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 306764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 306864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 306964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 307064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 307164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 307264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( // set 'super class', using class_getSuperclass(). 307364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 307464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 307564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 307664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 307764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 307864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 307964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 308064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 308164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 308264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 308364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 3084f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, superType, VK_LValue, 308564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 308664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 308764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 308864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 308964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 309064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 309164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 309264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 309364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 309464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 309564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 309664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 309764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 309864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 309964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 310064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 310164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 310264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 310364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 310464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 310564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 310664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 310764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 310864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 310964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 311064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 311164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 311264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 311364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ILE, false); 311464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super * 311564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 311664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 311764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 311864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 311964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 312164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 312264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 312464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: { 312564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 312664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 312764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *Class 312864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 312964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 313064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 313164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsName->getName(), 313264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 313364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 313464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 313564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 313664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 313764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 313864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(Cls); 313964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 314064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 314164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 314264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance:{ 314364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 314464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 314564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 314664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 314764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 314864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 314964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 315064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 315164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 315264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 315364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 3154f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, 315564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 315664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, SourceLocation())) 315764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 315864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 315964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 316064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 316164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 316264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 316364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 316464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, argType, 316564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())); 316664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 316764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 316864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 316964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 317064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 317164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 317264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 317364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 317464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 317564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 317664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 317764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 317864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 317964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 318064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 318164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 318264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 318364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set 'super class', using class_getSuperclass(). 318464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 318564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 318664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 318764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 318864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 318964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 319064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 319164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 319264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 319364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 3194f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, superType, VK_LValue, 319564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 319664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 319764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 319864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, SourceLocation()); 319964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 320064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 320164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 320264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 320364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 320464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 320564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 320664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 320764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 320864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 320964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 321064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 321164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 321264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 321364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 321464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 321564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 321664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 321764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 321864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 321964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 322064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 322164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_RValue, ILE, 322264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 322364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 322464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 322564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 322664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 322764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 322864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: { 322964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remove all type-casts because it may contain objc-style types; e.g. 323064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Foo<Proto> *. 323164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *recExpr = Exp->getInstanceReceiver(); 323264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 323364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = CE->getSubExpr(); 323464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = recExpr->getType()->isObjCObjectPointerType() 323564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : recExpr->getType()->isBlockPointerType() 323664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 323764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 323864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 323964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 324064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, recExpr); 324164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(recExpr); 324264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 324364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 324464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 324564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 324664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"), it will be the 2nd argument. 324764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 324864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 324964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 325064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 325164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 325264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 325364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 325464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size(), 325564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 325664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 325764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SelExp); 325864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 325964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now push any user supplied arguments. 326064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 326164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *userExpr = Exp->getArg(i); 326264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make all implicit casts explicit...ICE comes in handy:-) 326364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 326464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Reuse the ICE type, it is exactly what the doctor ordered. 326564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType type = ICE->getType(); 326664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(type)) 326764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type = Context->getObjCIdType(); 326864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 326964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 327064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Expr *SubExpr = ICE->IgnoreParenImpCasts(); 327164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 327264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isIntegralType(*Context) && 327364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type->isBooleanType()) { 327464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToBoolean; 327564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (type->isObjCObjectPointerType()) { 327664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isBlockPointerType()) { 327764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 327864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (SubExpr->getType()->isPointerType()) { 327964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 328064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 328164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 328264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 328364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 328464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 328564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 328664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 328764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr); 328864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 328964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 329064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 329164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getType()->isObjCQualifiedIdType()) { 329264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 329364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = CE->getSubExpr(); 329464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 329564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (userExpr->getType()->isIntegralType(*Context)) { 329664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToPointer; 329764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isBlockPointerType()) { 329864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 329964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isPointerType()) { 330064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 330164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 330264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 330364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 330464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 330564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, userExpr); 330664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 330764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 330864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(userExpr); 330964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We've transferred the ownership to MsgExprs. For now, we *don't* null 331064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // out the argument in the original expression (since we aren't deleting 331164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 331264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //Exp->setArg(i, 0); 331364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 331464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the funky cast. 331564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast; 331664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 331764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType returnType; 331864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 331964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push 'id' and 'SEL', the 2 implicit arguments. 332064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendFlavor == MsgSendSuperFunctionDecl) 332164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 332264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 332364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 332464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 332564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 332664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push any user argument types. 332764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 332864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 332964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = (*PI)->getType()->isObjCQualifiedIdType() 333064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? Context->getObjCIdType() 333164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : (*PI)->getType(); 333264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 333364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 333464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 333564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 333664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Exp->getType(); 333764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(returnType); 333864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 333964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 334064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Context->getObjCIdType(); 334164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 334264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 334364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 334464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 334564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 3346f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType, 334764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 334864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 334964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 335064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't do this cast, we get the following bizarre warning/note: 335164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: warning: function called through a non-compatible type 335264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: note: if this code is reached, the program will abort 335364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 335464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 335564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, DRE); 335664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 335764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 335864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castType = 335964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 336064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't have a method decl, force a variadic cast. 336164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 336264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 336364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 336464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 336564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 336664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 336764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 336864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 336964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 337064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 337164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 337264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 337364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 337464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = CE; 337564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) { 337664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have the method which returns a struct/union. Must also generate 337764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 337864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression which dictate which one to envoke depending on size of 337964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // method's return type. 338064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 338164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 3382f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, 3383f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, msgSendType, 338464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 338564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 338664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 338764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 338864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, STDRE); 338964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 339064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 339164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 339264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 339364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 339464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 339564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 339764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 339864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT = msgSendType->getAs<FunctionType>(); 340064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 340164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 340264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 340364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 340464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 340564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build sizeof(returnType) 340664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryExprOrTypeTraitExpr *sizeofExpr = 340764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf, 340864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getTrivialTypeSourceInfo(returnType), 340964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getSizeType(), SourceLocation(), 341064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 341164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 341264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 341364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 341464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is needed to decide what to do. 341564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 341664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 341764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IntegerLiteral *limit = IntegerLiteral::Create(*Context, 341864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::APInt(IntSize, 8), 341964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, 342064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 342164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BinaryOperator *lessThanExpr = 342264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 342364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 342464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 342564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 342664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(lessThanExpr, 342764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), CE, 342864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), STCE, 342964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType, VK_RValue, OK_Ordinary); 343064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 343164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CondExpr); 343264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 343364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 343464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 343564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 343664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 343764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 343864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 343964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getLocEnd()); 344064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 344164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the actual rewrite. 344264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, ReplacingStmt); 344364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 344464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 344564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 344664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 344764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 344864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// typedef struct objc_object Protocol; 344964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getProtocolType() { 345064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ProtocolTypeDecl) { 345164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo 345264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 345364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 345464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 345564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("Protocol"), 345664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TInfo); 345764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 345864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTypeDeclType(ProtocolTypeDecl); 345964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 346064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 346164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 346264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// a synthesized/forward data reference (to the protocol's metadata). 346364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// The forward references (and metadata) are generated in 346464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteModernObjC::HandleTranslationUnit(). 346564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 346630650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian std::string Name = "_OBJC_PROTOCOL_REFERENCE_$_" + 346730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Exp->getProtocol()->getNameAsString(); 346864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(Name); 346964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 347064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, getProtocolType(), 0, 347164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, SC_None); 3472f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, false, getProtocolType(), 3473f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 347464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 347564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 347664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 347764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 347864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 347964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DerefExpr); 348064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, castExpr); 348164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl()); 348264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 348364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return castExpr; 348464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 348564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 348664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 348764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::BufferContainsPPDirectives(const char *startBuf, 348864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf) { 348964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 349064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '#') { 349164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Skip whitespace. 349264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 349364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ; 349464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(startBuf, "if", strlen("if")) || 349564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifdef", strlen("ifdef")) || 349664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifndef", strlen("ifndef")) || 349764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "define", strlen("define")) || 349864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "undef", strlen("undef")) || 349964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "else", strlen("else")) || 350064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "elif", strlen("elif")) || 350164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "endif", strlen("endif")) || 350264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "pragma", strlen("pragma")) || 350364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include", strlen("include")) || 350464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "import", strlen("import")) || 350564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include_next", strlen("include_next"))) 350664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 350764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 350864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 350964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 351064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 351164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 351264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 351397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// RewriteObjCFieldDeclType - This routine rewrites a type into the buffer. 351415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian/// It handles elaborated types, as well as enum types in the process. 351597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanianbool RewriteModernObjC::RewriteObjCFieldDeclType(QualType &Type, 351697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string &Result) { 351797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (Type->isArrayType()) { 351897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(Type); 351997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return RewriteObjCFieldDeclType(ElemTy, Result); 352097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 352197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian else if (Type->isRecordType()) { 352215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RecordDecl *RD = Type->getAs<RecordType>()->getDecl(); 352315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (RD->isCompleteDefinition()) { 352415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (RD->isStruct()) 352515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tstruct "; 352615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else if (RD->isUnion()) 352715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tunion "; 352815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else 352915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian assert(false && "class not allowed as an ivar type"); 353097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 353115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += RD->getName(); 353215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (TagsDefinedInIvarDecls.count(RD)) { 353315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian // This struct is already defined. Do not write its definition again. 353497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += " "; 353597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 353615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 353715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.insert(RD); 353815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " {\n"; 353915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 354097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 354115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian FieldDecl *FD = *i; 354215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RewriteObjCFieldDecl(FD, Result); 354315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 354415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t} "; 354597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 354615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 354715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 354815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else if (Type->isEnumeralType()) { 354915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian EnumDecl *ED = Type->getAs<EnumType>()->getDecl(); 355015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (ED->isCompleteDefinition()) { 355115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tenum "; 355215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ED->getName(); 355315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (TagsDefinedInIvarDecls.count(ED)) { 355415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian // This enum is already defined. Do not write its definition again. 355597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += " "; 355697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 355715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 355815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.insert(ED); 355915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 356015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " {\n"; 356115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (EnumDecl::enumerator_iterator EC = ED->enumerator_begin(), 356215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian ECEnd = ED->enumerator_end(); EC != ECEnd; ++EC) { 356315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t"; Result += EC->getName(); Result += " = "; 356415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian llvm::APSInt Val = EC->getInitVal(); 356515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += Val.toString(10); 356615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ",\n"; 356715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 356815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t} "; 356997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 357015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 357115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 357215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 357315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t"; 357415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian convertObjCTypeToCStyleType(Type); 357597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return false; 357697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian} 357797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 357897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 357997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// RewriteObjCFieldDecl - This routine rewrites a field into the buffer. 358097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// It handles elaborated types, as well as enum types in the process. 358197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCFieldDecl(FieldDecl *fieldDecl, 358297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string &Result) { 358397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian QualType Type = fieldDecl->getType(); 358497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string Name = fieldDecl->getNameAsString(); 358515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 358697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian bool EleboratedType = RewriteObjCFieldDeclType(Type, Result); 358797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (!EleboratedType) 358897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Type.getAsStringInternal(Name, Context->getPrintingPolicy()); 358915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += Name; 359015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (fieldDecl->isBitField()) { 359115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " : "; Result += utostr(fieldDecl->getBitWidthValue(*Context)); 359215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 359397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian else if (EleboratedType && Type->isArrayType()) { 359497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian CanQualType CType = Context->getCanonicalType(Type); 359597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian while (isa<ArrayType>(CType)) { 359697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (const ConstantArrayType *CAT = Context->getAsConstantArrayType(CType)) { 359797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += "["; 359897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian llvm::APInt Dim = CAT->getSize(); 359997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += utostr(Dim.getZExtValue()); 360097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += "]"; 360197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 360297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian CType = CType->getAs<ArrayType>()->getElementType(); 360397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 360497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 360597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 360615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ";\n"; 360715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian} 360815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 360964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to 361064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// an objective-c class with ivars. 361164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 361264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 361364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 361464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl->getName() != "" && 361564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "Name missing in SynthesizeObjCInternalStruct"); 361664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3617a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 3618a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 36199a2105bc790b3d0d4d5edb77c617aeccc4187c0eFariborz Jahanian IVD; IVD = IVD->getNextIvar()) 3620a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian IVars.push_back(IVD); 36219a2105bc790b3d0d4d5edb77c617aeccc4187c0eFariborz Jahanian 362264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 362364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc(); 3624a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 362564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 362664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 3627a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 362864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 362964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3630a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian if ((!CDecl->isThisDeclarationADefinition() || IVars.size() == 0) && 363164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 363264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 363364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 363464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 363564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3636a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 363764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct "; 363864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 3639a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL {\n"; 3640a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 3641f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3642a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "\tstruct "; Result += RCDecl->getNameAsString(); 3643a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL "; Result += RCDecl->getNameAsString(); 3644a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IVARS;\n"; 3645a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian } 364615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.clear(); 364715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (unsigned i = 0, e = IVars.size(); i < e; i++) 364815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RewriteObjCFieldDecl(IVars[i], Result); 36490b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian 3650a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "};\n"; 3651a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3652a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 3653f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Mark this struct as having been generated. 3654f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.insert(CDecl)) 3655f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian llvm_unreachable("struct already synthesize- RewriteObjCInternalStruct"); 365664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 365764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 36587cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanianstatic void WriteInternalIvarName(ObjCInterfaceDecl *IDecl, 36597cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian ObjCIvarDecl *IvarDecl, std::string &Result) { 36607cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += "OBJC_IVAR_$_"; 36617cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += IDecl->getName(); 36627cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += "$"; 36637cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += IvarDecl->getName(); 36647cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian} 36657cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian 366672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian/// RewriteIvarOffsetSymbols - Rewrite ivar offset symbols of those ivars which 366772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian/// have been referenced in an ivar access expression. 366872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl, 366972c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian std::string &Result) { 367072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian // write out ivar offset symbols which have been referenced in an ivar 367172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian // access expression. 367272c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::SmallPtrSet<ObjCIvarDecl *, 8> Ivars = ReferencedIvars[CDecl]; 367372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian if (Ivars.empty()) 367472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian return; 367572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian for (llvm::SmallPtrSet<ObjCIvarDecl *, 8>::iterator i = Ivars.begin(), 367672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian e = Ivars.end(); i != e; i++) { 367772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian ObjCIvarDecl *IvarDecl = (*i); 367840a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "\n"; 367940a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (LangOpts.MicrosoftExt) 368040a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "__declspec(allocate(\".objc_ivar$B\")) "; 3681297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "extern \"C\" "; 368240a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (LangOpts.MicrosoftExt && 368340a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian IvarDecl->getAccessControl() != ObjCIvarDecl::Private && 3684297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian IvarDecl->getAccessControl() != ObjCIvarDecl::Package) 3685297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "__declspec(dllimport) "; 3686297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian 36873f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "unsigned long "; 36887cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(CDecl, IvarDecl, Result); 36897cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += ";"; 369072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian } 369172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian} 369272c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 369364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 369464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Meta Data Emission 369564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 369664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 369764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 369864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 369964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// and emits meta-data. 370064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 370164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementations() { 370264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 370364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 370464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 370564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite implemented methods 37068f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 37078f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCImplementationDecl *OIMP = ClassImplementation[i]; 37088f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *CDecl = OIMP->getClassInterface(); 37098f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 3710cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian assert(false && 3711cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 37128f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteImplementationDecl(OIMP); 37138f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 371464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 37158c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 37168c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian ObjCCategoryImplDecl *CIMP = CategoryImplementation[i]; 37178c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian ObjCInterfaceDecl *CDecl = CIMP->getClassInterface(); 37188c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 37198c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian assert(false && 37208c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 37218c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian RewriteImplementationDecl(CIMP); 37228c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian } 372364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 372464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefString(std::string &ResultStr, 372664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Name, 372764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def) { 372864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 372964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 373064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (def) 373164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 373264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 373364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 373464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 373564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 373664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 373764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 373864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 373964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 374064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 374164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 374264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 374364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 374464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 374564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *AFT = CE->getFunctionType(); 374664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType RT = AFT->getResultType(); 374764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 374864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" + 3749df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian funcName.str() + "_block_func_" + utostr(i); 375064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDecl *BD = CE->getBlockDecl(); 375264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<FunctionNoProtoType>(AFT)) { 375464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // No user-supplied arguments. Still need to pass in a pointer to the 375564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block (to reference imported block decl refs). 375664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 375764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (BD->param_empty()) { 375864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 375964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 376064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 376164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "SynthesizeBlockFunc: No function proto"); 376264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += '('; 376364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // first add the implicit argument. 376464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += StructRef + " *__cself, "; 376564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr; 376664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::param_iterator AI = BD->param_begin(), 376764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BD->param_end(); AI != E; ++AI) { 376864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (AI != BD->param_begin()) S += ", "; 376964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParamStr = (*AI)->getNameAsString(); 377064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*AI)->getType(); 37712610f90135571be7bf983c80a1cf7bfa0844dc57Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(QT); 37722610f90135571be7bf983c80a1cf7bfa0844dc57Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 377364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ParamStr; 377464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 377564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 377664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BD->param_empty()) S += ", "; 377764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "..."; 377864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 377964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ')'; 378064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 378164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n"; 378264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 378364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create local declarations to avoid rewriting all closure decl ref exprs. 378464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // First, emit a declaration for all "by ref" decls. 378564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 378664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 378764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 378864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 378964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 379064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 379164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 379264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = TypeString + Name; 379364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 379464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 379564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Next, emit a declaration for all "by copy" declarations. 379664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 379764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 379864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 379964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 380064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 380164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedClosure)(void); 380264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 380364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 380464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherClosure)(void); 380564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherClosure = ^(void) { 380664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure(); // import and invoke the closure 380764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 380864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 380964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 381064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 381164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " = ("; 381264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 381364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ")"; 381464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 381564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 381664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 381764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 381864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 381964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 382064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 382164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 382264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + 382364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 382464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 382564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 382664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RewrittenStr = RewrittenBlockExprs[CE]; 382764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *cstr = RewrittenStr.c_str(); 382864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*cstr++ != '{') ; 382964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += cstr; 383064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\n"; 383164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 383264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 383364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 383564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 383664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 383764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 383864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static void __"; 383964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 384064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 384164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_copy_" + utostr(i); 384264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 384364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*dst, " + StructRef; 384464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 384564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 384664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 384764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 384864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_assign((void*)&dst->"; 384964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 385064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", (void*)src->"; 385164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 385264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 385364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 385464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 385564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 385664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 385764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 385864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 385964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 386064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 386164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\nstatic void __"; 386264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 386364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_dispose_" + utostr(i); 386464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 386564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 386664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 386764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 386864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 386964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_dispose((void*)src->"; 387064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 387164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 387264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 387364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 387464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 387564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 387664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 387764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 387864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 387964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 388064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 388164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 388264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 388364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Desc) { 388464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstruct " + Tag; 388564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Constructor = " " + Tag; 388664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 388764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n struct __block_impl impl;\n"; 388864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " struct " + Desc; 388964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "* Desc;\n"; 389064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "(void *fp, "; // Invoke function pointer. 389264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "struct " + Desc; // Descriptor pointer. 389364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " *desc"; 389464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 389664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 389764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 389864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 389964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 390064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 390164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 390264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 390364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 390464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedBlock)(void); 390564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 390664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 390764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherBlock)(void); 390864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherBlock = ^(void) { 390964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock(); // import and invoke the closure 391064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 391164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 391264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 391364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "struct __block_impl *"; 391464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", void *" + ArgName; 391564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 391664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 391764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 391864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 391964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->getPrintingPolicy()); 392064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->getPrintingPolicy()); 392164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 392264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 392364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + ";\n"; 392464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 392564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 392664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 392764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 392864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 392964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 393064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 393164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 393264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 393364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 393464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 393564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldName = TypeString + FieldName; 393664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgName = TypeString + ArgName; 393764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 393864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 393964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + "; // by ref\n"; 394064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 394164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 394264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0)"; 394364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by copy" arguments. 394464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool firsTime = true; 394564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 394664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 394764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 394864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 394964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 395064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 395164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 395264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 395364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 395464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 395564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 395664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 395764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 395864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 395964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by ref" arguments. 396064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 396164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 396264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 396364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 396464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 396564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 396664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 396764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 396864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 396964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 397064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 397164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " {\n"; 397364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 397464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 397564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 397664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 397764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 397864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 398064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 398164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 398264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0) {\n"; 398364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 398464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 398564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 398664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 398764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 398864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 398964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 399064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " "; 399164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "}\n"; 399264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Constructor; 399364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 399464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 399564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 399664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 399764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockDescriptor(std::string DescTag, 399864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, int i, 399964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName, 400064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy) { 400164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstatic struct " + DescTag; 400264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 400364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n unsigned long reserved;\n"; 400464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " unsigned long Block_size;\n"; 400564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 400664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*copy)(struct "; 400764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*, struct "; 400864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 400964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*dispose)(struct "; 401164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 401264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 401364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "} "; 401464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += DescTag + "_DATA = { 0, sizeof(struct "; 401664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag + ")"; 401764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 401864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 401964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 402064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 402164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 402264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 402364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 402464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 402564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 402664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName) { 402764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is used. 402864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 402964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 403064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool RewriteSC = (GlobalVarDecl && 403164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !Blocks.empty() && 403264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getStorageClass() == SC_Static && 403364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 403464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 403564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC(" void __"); 403664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 403764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "() {}"; 403864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 403964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 404064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 404164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert closures that were part of the function. 404264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 404364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 404464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 404564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block. 404664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 4047f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Exp = InnerDeclRefs[count++]; 404864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 404964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 4050f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!VD->hasAttr<BlocksAttr>()) { 4051f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockByCopyDeclsPtrSet.count(VD)) { 4052f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockByCopyDeclsPtrSet.insert(VD); 4053f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockByCopyDecls.push_back(VD); 4054f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } 4055f4b88a45902af1802a1cb42ba48b1c474474f228John McCall continue; 405664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 4057f4b88a45902af1802a1cb42ba48b1c474474f228John McCall 4058f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockByRefDeclsPtrSet.count(VD)) { 405964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 406064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 406164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 4062f4b88a45902af1802a1cb42ba48b1c474474f228John McCall 406364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // imported objects in the inner blocks not used in the outer 406464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 4065f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VD->getType()->isObjCObjectPointerType() || 406664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isBlockPointerType()) 406764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(VD); 406864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 406964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 407164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 407264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 407464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CI); 407664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 407864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CF); 408064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 408264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 408364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 408464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 408564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 408664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.size() > 0); 408764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, BD); 408864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 409064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 409164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 409264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 409364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 409464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 409564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 409664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 409764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 409864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // removed as result of rewriting of block literals. 409964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC; 410064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getStorageClass() == SC_Static) 410164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC = "static "; 410264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 410364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "const "; 410464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 410564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "volatile "; 410664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 410764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "restrict "; 410864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 410964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 4110df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalConstructionExp) { 4111df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian // extra fancy dance for global literal expression. 4112df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 4113df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian // Always the latest block expression on the block stack. 4114df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string Tag = "__"; 4115df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += FunName; 4116df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += "_block_impl_"; 4117df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += utostr(Blocks.size()-1); 4118df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string globalBuf = "static "; 4119df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian globalBuf += Tag; globalBuf += " "; 4120df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string SStr; 412164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 4122df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian llvm::raw_string_ostream constructorExprBuf(SStr); 4123df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp->printPretty(constructorExprBuf, *Context, 0, 4124df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian PrintingPolicy(LangOpts)); 4125df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian globalBuf += constructorExprBuf.str(); 4126df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian globalBuf += ";\n"; 4127df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian InsertText(FunLocStart, globalBuf); 4128df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp = 0; 4129df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian } 4130df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 413164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.clear(); 413264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.clear(); 413364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.clear(); 413464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs.clear(); 413564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 413664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 413764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 413864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 413964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FuncName = FD->getName(); 414064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 414264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 414364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 414564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD) { 414664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 414764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = IFace->getName(); 414864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 414964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Convert colons to underscores. 415064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type loc = 0; 415164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 415264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name.replace(loc, 1, "_"); 415364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 415464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 415564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 415664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 415764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //SourceLocation FunLocStart = MD->getLocStart(); 415864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 415964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 416064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 416164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 416264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 416364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 416464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetBlockDeclRefExprs(Stmt *S) { 416564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 416664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 416764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 416864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(CBE->getBody()); 416964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 417064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(*CI); 417164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 4173f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 4174f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DRE->refersToEnclosingLocal() && 4175f4b88a45902af1802a1cb42ba48b1c474474f228John McCall HasLocalVariableExternalStorage(DRE->getDecl())) { 4176f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockDeclRefs.push_back(DRE); 417764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 418064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 418164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 418264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetInnerBlockDeclRefExprs(Stmt *S, 4183f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs, 418464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 418564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 418664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 418764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 418864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 418964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 419064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 419164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 419264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 419364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 419464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 419564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 419664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 419764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 419864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 419964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 4200f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 4201f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DRE->refersToEnclosingLocal()) { 4202f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!isa<FunctionDecl>(DRE->getDecl()) && 4203f4b88a45902af1802a1cb42ba48b1c474474f228John McCall !InnerContexts.count(DRE->getDecl()->getDeclContext())) 4204f4b88a45902af1802a1cb42ba48b1c474474f228John McCall InnerBlockDeclRefs.push_back(DRE); 4205f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 4206f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (Var->isFunctionOrMethodVarDecl()) 4207f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ImportedLocalExternalDecls.insert(Var); 4208f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } 420964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 421064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 421164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 421264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 421364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 4214164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// convertObjCTypeToCStyleType - This routine converts such objc types 4215164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// as qualified objects, and blocks to their closest c/c++ types that 4216164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// it can. It returns true if input type was modified. 4217164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanianbool RewriteModernObjC::convertObjCTypeToCStyleType(QualType &T) { 4218164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType oldT = T; 4219164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertBlockPointerToFunctionPointer(T); 4220164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (T->isFunctionPointerType()) { 4221164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType PointeeTy; 4222164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const PointerType* PT = T->getAs<PointerType>()) { 4223164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian PointeeTy = PT->getPointeeType(); 4224164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const FunctionType *FT = PointeeTy->getAs<FunctionType>()) { 4225164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = convertFunctionTypeOfBlocks(FT); 4226164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = Context->getPointerType(T); 4227164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 4228164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 4229164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 4230164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 4231164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertToUnqualifiedObjCType(T); 4232164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian return T != oldT; 4233164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian} 4234164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 423564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 423664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 423764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// might be block pointers to an equivalent function type replacing 423864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// all block pointers to function pointers. 423964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 424064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 424164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 424264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 424364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 424464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Res = FT->getResultType(); 4245164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool modified = convertObjCTypeToCStyleType(Res); 424664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 424764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 424864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 424964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 425064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 425164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 4252164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (convertObjCTypeToCStyleType(t)) 4253164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian modified = true; 425464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 425564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 425664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 425764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FuncType; 4258164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (modified) 425964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 426064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else FuncType = QualType(FT, 0); 426164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FuncType; 426264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 426364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 426464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 426564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Navigate to relevant type information. 426664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *CPT = 0; 426764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 426864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 426964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = DRE->getType()->getAs<BlockPointerType>(); 427064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 427164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = MExpr->getType()->getAs<BlockPointerType>(); 427264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 427364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 427464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 427564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 427664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 427764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 427864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ConditionalOperator *CEXPR = 427964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 428064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 428164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 428264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 428364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 428464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 428564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 428664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(CONDExp, 428764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 428864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 428964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, OK_Ordinary); 429064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CondExpr; 429164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 429264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 429364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const PseudoObjectExpr *POE 429464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<PseudoObjectExpr>(BlockExp)) { 429564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = POE->getType()->castAs<BlockPointerType>(); 429664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 429764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(1 && "RewriteBlockClass: Bad type"); 429864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 429964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CPT && "RewriteBlockClass: Bad type"); 430064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 430164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "RewriteBlockClass: Bad type"); 430264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 430364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 430464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 430564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 430664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 430764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__block_impl")); 430864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 430964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 431064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 431164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 431264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 431364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push the block argument type. 431464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(PtrBlock); 431564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 431664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 431764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 431864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 431964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 432064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 432164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(t); 432264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 432364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 432464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 432564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the pointer to function cast. 432664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrToFuncCastType 432764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 432864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 432964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 433064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 433164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 433264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 433364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const_cast<Expr*>(BlockExp)); 433464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 433564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 433664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkCast); 433764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //PE->dump(); 433864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 433964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 434064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 434164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("FuncPtr"), 434264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 434364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 434464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 434564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 434664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 434764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 434864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 434964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 435064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 435164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, ME); 435264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 435364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 435464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> BlkExprs; 435564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the implicit argument. 435664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(BlkCast); 435764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the user arguments. 435864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CallExpr::arg_iterator I = Exp->arg_begin(), 435964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = Exp->arg_end(); I != E; ++I) { 436064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(*I); 436164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 436264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 436364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.size(), 436464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, 436564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 436664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CE; 436764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 436864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 436964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// We need to return the rewritten expression to handle cases where the 4370f4b88a45902af1802a1cb42ba48b1c474474f228John McCall// DeclRefExpr is embedded in another expression being rewritten. 437164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// For example: 437264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 437364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// int main() { 437464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block Foo *f; 437564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block int i; 437664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 437764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// void (^myblock)() = ^() { 4378f4b88a45902af1802a1cb42ba48b1c474474f228John McCall// [f test]; // f is a DeclRefExpr embedded in a message (which is being rewritten). 437964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// i = 77; 438064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// }; 438164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//} 4382f4b88a45902af1802a1cb42ba48b1c474474f228John McCallStmt *RewriteModernObjC::RewriteBlockDeclRefExpr(DeclRefExpr *DeclRefExp) { 438364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 438464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 4385f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ValueDecl *VD = DeclRefExp->getDecl(); 4386f4b88a45902af1802a1cb42ba48b1c474474f228John McCall bool isArrow = DeclRefExp->refersToEnclosingLocal(); 438764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 438864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 438964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 439064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__forwarding"), 439164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 439264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 439364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 439464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 439564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD, SourceLocation(), 439664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 439764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 439864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 439964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Name = VD->getName(); 440064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 440164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(Name), 440264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 440364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 440464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 440564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 440664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getType(), VK_LValue, OK_Ordinary); 440764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 440864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 440964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 441064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 441164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(), 441264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getExprLoc(), 441364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME); 441464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DeclRefExp, PE); 441564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 441664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 441764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 441864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Rewrites the imported local variable V with external storage 441964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// (static, extern, etc.) as *V 442064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 442164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 442264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 442364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 442464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 442564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return DRE; 442664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 442764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary, 442864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getLocation()); 442964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 443064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 443164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp); 443264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DRE, PE); 443364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 443464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 443564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 443664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCastExpr(CStyleCastExpr *CE) { 443764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CE->getLParenLoc(); 443864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CE->getRParenLoc(); 443964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite synthesized casts. 444164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 444264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 444364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite casts contained in macros. 444464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 444564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 444664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 444864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 444964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = CE->getType(); 445064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 445164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 445264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 445364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 445464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString = "("; 445564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 445664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += ")"; 445764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 445864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 445964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 446064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 446164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startBuf; 446264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 446364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && (argPtr < endBuf)) { 446464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 446564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 446664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 446764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart = LocStart.getLocWithOffset(argPtr-startBuf); 446864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 1, "*"); 446964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 447064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 447164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 447264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 447364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 447464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 4475f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanianvoid RewriteModernObjC::RewriteImplicitCastObjCExpr(CastExpr *IC) { 4476f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian CastKind CastKind = IC->getCastKind(); 4477f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian 4478f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian if (CastKind == CK_BlockPointerToObjCPointerCast) { 4479f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian CStyleCastExpr * CastExpr = 4480f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian NoTypeInfoCStyleCastExpr(Context, IC->getType(), CK_BitCast, IC); 4481f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian ReplaceStmt(IC, CastExpr); 4482f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian } 4483f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian else if (CastKind == CK_AnyPointerToBlockPointerCast) { 4484f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian QualType BlockT = IC->getType(); 4485f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian (void)convertBlockPointerToFunctionPointer(BlockT); 4486f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian CStyleCastExpr * CastExpr = 4487f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian NoTypeInfoCStyleCastExpr(Context, BlockT, CK_BitCast, IC); 4488f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian ReplaceStmt(IC, CastExpr); 4489f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian } 4490f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian return; 4491f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian} 4492f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian 449364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 449464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = FD->getLocation(); 449564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 0; 449664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 449764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have 1 or more arguments that have closure pointers. 449864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 449964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startArgList = strchr(startBuf, '('); 450064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 450264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 450464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 450564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf); 450664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 450764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startArgList; 450964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 451064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && parenCount) { 451164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 451264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 451364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 451464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList); 451564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, 1, "*"); 451664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 451764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 451864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 451964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 452064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 452164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount--; 452264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 452364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 452464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 452564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 452664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 452764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 452864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 452964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 453064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 453164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 453264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 453364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 453464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 453564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 453664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 453764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 453864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 453964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 454064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) 454164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) 454264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 454364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 454464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 454564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 454664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 454764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 454864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 454964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 455064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 455164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 455264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 455364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 455464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 455564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 455664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 455764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 455864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 455964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 456064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 456164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 456264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 456364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 456464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 456564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 456764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 456964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 457064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 457164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 457264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen) { 457364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = strchr(Name, '('); 457464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 457564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 457664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LParen = argPtr; // output the start. 457764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; // skip past the left paren. 457864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 1; 457964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 458064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr && parenCount) { 458164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 458264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': parenCount++; break; 458364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': parenCount--; break; 458464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: break; 458564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 458664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (parenCount) argPtr++; 458764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 458864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 458964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RParen = argPtr; // output the end 459064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 459164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 459264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 459364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 459464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerFunctionArgs(FD); 459564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 459664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 459764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle Variables and Typedefs. 459864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getLocation(); 459964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType DeclT; 460064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 460164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = VD->getType(); 460264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND)) 460364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = TDD->getUnderlyingType(); 460464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 460564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = FD->getType(); 460664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 460764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled"); 460864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 461064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 461164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan backward (from the decl location) for the end of the previous decl. 461264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 461364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; 461464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf); 461564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 461664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned OrigLength=0; 461764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // *startBuf != '^' if we are dealing with a pointer to function that 461864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // may take block argument types (which will be handled below). 461964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '^') { 462064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*', computing a negative offset. 462164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = '*'; 462264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 462364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 462464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 462564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ')') { 462664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *startBuf; 462764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 462864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 462964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 463064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 463164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 463264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 463364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 463464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 463564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*' for arguments. 463664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace id<P> with id/*<>*/ 463764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 463864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(DeclLoc); 463964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argListBegin, *argListEnd; 464064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetExtentOfArgList(startBuf, argListBegin, argListEnd); 464164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (argListBegin < argListEnd) { 464264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argListBegin == '^') 464364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += '*'; 464464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argListBegin == '<') { 464564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/*"; 464664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 464764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++;; 464864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argListBegin != '>') { 464964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 465064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 465164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 465264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 465364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "*/"; 465464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 465564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 465664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 465764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argListBegin++; 465864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 465964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 466164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 466264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 466464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 466664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 466764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 467064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 467164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct Block_byref_id_object *src) { 467264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 467364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 467464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 467564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 467664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 467764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 467864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 467964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// And: 468064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 468164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 468264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 468364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 468464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 468564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 468664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 468764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 468864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 468964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 469064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag) { 469164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 469264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CopyDestroyCache.count(flag)) 469364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 469464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CopyDestroyCache.insert(flag); 469564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 469664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 469764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *dst, void *src) {\n"; 469864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 469964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // offset into the object pointer is computed as: 470064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void * + void* + int + int + void* + void * 470164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 470264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 470364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned VoidPtrSize = 470464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 470564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 470664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth(); 470764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 470864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 470964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 471064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 471164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 471264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 471364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 471464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 471564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 471664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 471764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *src) {\n"; 471864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 471964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 472064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 472164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 472264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 472364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 472464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 472564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 472664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 472764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// the declaration into: 472864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND { 472964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 473064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND *__forwarding; 473164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __flags; 473264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __size; 473364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 473464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 473564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// typex ND; 473664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// }; 473764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 473864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It then replaces declaration of ND variable with: 473964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 474064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 474164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ND=initializer-if-any}; 474264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 474364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 474464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefVar(VarDecl *ND) { 474564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is 474664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // used. 474764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 474864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 474964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = 0; 475064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int isa = 0; 475164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 475264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclLoc.isInvalid()) 475364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 475464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Use variable's location which is good for this case. 475564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 475664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 475764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 475864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 475964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 476064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 476164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ByrefType; 476264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 476364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " {\n"; 476464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void *__isa;\n"; 476564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 476664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " *__forwarding;\n"; 476764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __flags;\n"; 476864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __size;\n"; 476964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 477064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 477164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 477264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 477364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 477464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 477564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 477664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 477864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType T = Ty; 477964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(T); 478064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T.getAsStringInternal(Name, Context->getPrintingPolicy()); 478164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 478264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + ";\n"; 478364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 478464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert this type in global scope. It is needed by helper function. 478564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart; 478664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 478764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 478864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 478964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 479064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 479164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 479264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, ByrefType); 479364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty.isObjCGCWeak()) { 479464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 479564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa = 1; 479664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 479764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 479864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 479964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 480064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 480164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 480264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType()) 480364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 480464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 480564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 480664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 480764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!HF.empty()) 480864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 480964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 481164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __Block_byref_ND ND = 481264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 481364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // initializer-if-any}; 481464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasInit = (ND->getInit() != 0); 4815104dbf982582f16888fb15f9342fce9748af48c5Fariborz Jahanian // FIXME. rewriter does not support __block c++ objects which 4816104dbf982582f16888fb15f9342fce9748af48c5Fariborz Jahanian // require construction. 4817104dbf982582f16888fb15f9342fce9748af48c5Fariborz Jahanian if (hasInit && dyn_cast<CXXConstructExpr>(ND->getInit())) 4818104dbf982582f16888fb15f9342fce9748af48c5Fariborz Jahanian hasInit = false; 481964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned flags = 0; 482064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) 482164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 482264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = ND->getNameAsString(); 482364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType.clear(); 482464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 482564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ForwardingCastType("("); 482664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ForwardingCastType += ByrefType + " *)"; 482764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!hasInit) { 482864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 482964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 483064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 483164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 483264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 483364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 483464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 483564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ")"; 483664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 483764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 483864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 483964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 484064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 484164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 484364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned nameSize = Name.size(); 484464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for block or function pointer declaration. Name is aleady 484564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // part of the declaration. 484664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType() || Ty->isFunctionPointerType()) 484764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian nameSize = 1; 484864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType); 484964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 485064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 485164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 485264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 485364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 485464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 485564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 485664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 485764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 485864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 485964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name; 486064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " = {(void*)"; 486164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 486264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 486364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 486464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 486564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 486664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 486764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "), "; 486864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 486964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 487064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 487164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 487264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 487364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 487464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 487564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 487664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 487764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the newly synthesized compound expression by inserting a right 487864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // curly brace before the end of the declaration. 487964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This approach avoids rewriting the initializer expression. It 488064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // also assumes there is only one declarator. For example, the following 488164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // isn't currently supported by this routine (in general): 488264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 488364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 488464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 488564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 488664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 488764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 488864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = 488964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startInitializerBuf); 489064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 489164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(semiLoc, "}"); 489264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 489364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 489464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 489564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 489664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 489764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 489864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(Exp->getBody()); 489964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 490064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by copy" declarations. 490164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4902f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) { 490364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 490464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 490564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 490664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by ref" declarations. 490964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4910f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) { 491164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 491264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 491364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 491464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 491764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4918f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() || 491964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 492064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 492164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 492264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 492364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 492464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 492564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianFunctionDecl *RewriteModernObjC::SynthBlockInitFunctionDecl(StringRef name) { 492664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(name); 492764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 492864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FunctionDecl::Create(*Context, TUDecl, SourceLocation(), 492964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, FType, 0, SC_Extern, 493064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false, false); 493164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 493264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 493364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthBlockInitExpr(BlockExpr *Exp, 4934f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs) { 4935d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian 493664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockDecl *block = Exp->getBlockDecl(); 4937d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian 493864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.push_back(Exp); 493964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 494064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Exp); 494164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 494264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add inner imported variables now used in current block. 494364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int countOfInnerDecls = 0; 494464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 494564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 4946f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Exp = InnerBlockDeclRefs[i]; 494764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 4948f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) { 494964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We need to save the copied-in variables in nested 495064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks because it is needed at the end for some of the API generations. 495164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See SynthesizeBlockLiterals routine. 495264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 495364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 495464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 495564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 495664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 4957f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) { 495864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 495964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 496064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 496164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 496264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 496564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 4966f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (InnerBlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() || 496764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 496864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 496964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 497064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 497264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 497464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 497664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = CurFunctionDef->getNameAsString(); 497764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CurMethodDef) 497864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 497964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (GlobalVarDecl) 498064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = std::string(GlobalVarDecl->getNameAsString()); 498164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 4982df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian bool GlobalBlockExpr = 4983df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian block->getDeclContext()->getRedeclContext()->isFileContext(); 4984df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 4985df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalBlockExpr && !GlobalVarDecl) { 4986df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Diags.Report(block->getLocation(), GlobalBlockRewriteFailedDiag); 4987df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalBlockExpr = false; 4988df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian } 4989df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 499064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BlockNumber = utostr(Blocks.size()-1); 499164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 499264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 499364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 499464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get a pointer to the function type so we can cast appropriately. 499564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 499664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 499764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 499864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD; 499964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *NewRep; 500064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 500164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 5002df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string Tag; 5003df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 5004df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalBlockExpr) 5005df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag = "__global_"; 5006df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian else 5007df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag = "__"; 5008df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += FuncName + "_block_impl_" + BlockNumber; 5009df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 501064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Tag); 5011f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, FType, VK_RValue, 501264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 501364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 501464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 501564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 501664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block function. 501764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Func); 5018f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), 5019f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 502064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 502164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 502264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(castExpr); 502364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 502464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block descriptor. 502564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 502664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 502764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, 502864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 502964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(DescData.c_str()), 503064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 503164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Static, SC_None); 503264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryOperator *DescRefExpr = 5033f4b88a45902af1802a1cb42ba48b1c474474f228John McCall new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, false, 503464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 503564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, 503664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()), 503764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UO_AddrOf, 503864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 503964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 504064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 504164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(DescRefExpr); 504264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 504364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 504464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 504564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp; 504664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 504764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 504864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 504964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isObjCType((*I)->getType())) { 505064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Conform to ABI ([[obj retain] autorelease]). 505164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 5052f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), 5053f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 505464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 505564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 505664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 505764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 505864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 505964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 506064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (isTopLevelBlockPointerType((*I)->getType())) { 506164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 5062f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), 5063f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 506464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 506564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 506664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 506764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 5068f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), 5069f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 507064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 507164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 507264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 507364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 507464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 507564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 507664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 507764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 507864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 507964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 508064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 508164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 508264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 508364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *ND = (*I); 508464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 508564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName; 508664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 508764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 508864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian + sizeof("struct")); 508964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 509064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 509164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 509264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 509364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 509464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 509564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 5096f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue, 509764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 509864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isNestedCapturedVar = false; 509964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (block) 510064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::capture_const_iterator ci = block->capture_begin(), 510164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ce = block->capture_end(); ci != ce; ++ci) { 510264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const VarDecl *variable = ci->getVariable(); 510364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (variable == ND && ci->isNested()) { 510464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert (ci->isByRef() && 510564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "SynthBlockInitExpr - captured block variable is not byref"); 510664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isNestedCapturedVar = true; 510764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 510864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 510964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 511064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // captured nested byref variable has its address passed. Do not take 511164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // its address again. 511264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isNestedCapturedVar) 511364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 511464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Exp->getType()), 511564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 511664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 511764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 511864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 511964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 512064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 512164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 512264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 512364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 512464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 512564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 512664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, SourceLocation()); 512764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(FlagExp); 512864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 512964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 513064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FType, VK_LValue, SourceLocation()); 5131df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 5132df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalBlockExpr) { 5133df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian assert (GlobalConstructionExp == 0 && 5134df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian "SynthBlockInitExpr - GlobalConstructionExp must be null"); 5135df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp = NewRep; 5136df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian NewRep = DRE; 5137df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian } 5138df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 513964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 514064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(NewRep->getType()), 514164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 514264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 514364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep); 514464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 514564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 514664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 514764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 514864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 514964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 515064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return NewRep; 515164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 515264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 515364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) { 515464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCForCollectionStmt * CS = 515564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(Stmts.back())) 515664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CS->getElement() == DS; 515764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 515864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 515964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 516064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 516164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Function Body / Expression rewriting 516264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 516364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 516464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 516564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 516664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) 516764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 516864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (isa<ObjCForCollectionStmt>(S)) { 516964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 517064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.push_back(++BcLabelCount); 517164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 517264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 517364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Pseudo-object operations and ivar references need special 517464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // treatment because we're going to recursively rewrite them. 517564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) { 517664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) { 517764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitSetter(PseudoOp); 517864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 517964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitGetter(PseudoOp); 518064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 518164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 518264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCIvarRefExpr(IvarRefExpr); 518364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 518464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 518564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 518664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 518764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up rewrite of all children. 518864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 518964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 519064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *childStmt = (*CI); 519164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt); 519264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (newStmt) { 519364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *CI = newStmt; 519464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 519564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 519664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 519764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 5198f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> InnerBlockDeclRefs; 519964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 520064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 520164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 520264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 520364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, InnerContexts); 520464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the block body in place. 520564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 520664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = BE->getBody(); 520764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 520864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal on rhs of a property-dot-sytax assignment 520964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // must be replaced by its synthesize ast so getRewrittenText 521064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // works as expected. In this case, what actually ends up on RHS 521164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is the blockTranscribed which is the helper function for the 521264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal; as in: self.c = ^() {[ace ARR];}; 521364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool saveDisableReplaceStmt = DisableReplaceStmt; 521464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 521564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 521664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = saveDisableReplaceStmt; 521764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = SaveCurrentBody; 521864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 521964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 522064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now we snarf the rewritten text and stash it away for later use. 522164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 522264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs[BE] = Str; 522364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 522464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 522564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 522664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //blockTranscribed->dump(); 522764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, blockTranscribed); 522864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return blockTranscribed; 522964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 523064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 523164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 523264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtEncode(AtEncode); 523364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 523464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 523564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtSelector(AtSelector); 523664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 523764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 523864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCStringLiteral(AtString); 523955947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian 524055947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian if (ObjCBoolLiteralExpr *BoolLitExpr = dyn_cast<ObjCBoolLiteralExpr>(S)) 524155947042d86773b7e16aec12070e1ffe62bff4a6Fariborz Jahanian return RewriteObjCBoolLiteralExpr(BoolLitExpr); 52420f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian 52430f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian if (ObjCNumericLiteral *NumericLitExpr = dyn_cast<ObjCNumericLiteral>(S)) 52440f9b18ed048cd5c1ebe786d1dee05577e84d0c27Fariborz Jahanian return RewriteObjCNumericLiteralExpr(NumericLitExpr); 524586cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian 524686cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian if (ObjCArrayLiteral *ArrayLitExpr = dyn_cast<ObjCArrayLiteral>(S)) 524786cff6080ba1db907009885adb5c6c64007e8b48Fariborz Jahanian return RewriteObjCArrayLiteralExpr(ArrayLitExpr); 5248e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian 5249e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian if (ObjCDictionaryLiteral *DictionaryLitExpr = 5250e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian dyn_cast<ObjCDictionaryLiteral>(S)) 5251e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian return RewriteObjCDictionaryLiteralExpr(DictionaryLitExpr); 525264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 525464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 525564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Before we rewrite it, put the original message expression in a comment. 525664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = MessExpr->getLocStart(); 525764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = MessExpr->getLocEnd(); 525864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 526064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 526164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 526264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string messString; 526364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "// "; 526464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString.append(startBuf, endBuf-startBuf+1); 526564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "\n"; 526664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 526764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Missing definition of 526864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(clang::SourceLocation, char const*, unsigned int). 526964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(startLoc, messString.c_str(), messString.size()); 527064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Tried this, but it didn't work either... 527164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 527264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 527364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteMessageExpr(MessExpr); 527464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 527564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 527664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 527764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCTryStmt(StmtTry); 527864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 527964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 528064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCSynchronizedStmt(StmtTry); 528164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 528264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 528364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCThrowStmt(StmtThrow); 528464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 528564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 528664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCProtocolExpr(ProtocolExp); 528764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 528864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCForCollectionStmt *StmtForCollection = 528964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(S)) 529064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCForCollectionStmt(StmtForCollection, 529164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigStmtRange.getEnd()); 529264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BreakStmt *StmtBreakStmt = 529364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BreakStmt>(S)) 529464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBreakStmt(StmtBreakStmt); 529564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ContinueStmt *StmtContinueStmt = 529664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ContinueStmt>(S)) 529764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteContinueStmt(StmtContinueStmt); 529864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 529964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 530064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and cast exprs. 530164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 530264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: What we're doing here is modifying the type-specifier that 530364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // precedes the first Decl. In the future the DeclGroup should have 530464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // a separate type-specifier that we can rewrite. 530564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE: We need to avoid rewriting the DeclStmt if it is within 530664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the context of an ObjCForCollectionStmt. For example: 530764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NSArray *someArray; 530864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for (id <FooProtocol> index in someArray) ; 530964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is because RewriteObjCForCollectionStmt() does textual rewriting 531064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and it depends on the original text locations/positions. 531164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS)) 531264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 531364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 531464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks rewrite rules. 531564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 531664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DE; ++DI) { 531764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Decl *SD = *DI; 531864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 531964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(ND->getType())) 532064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(ND); 532164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (ND->getType()->isFunctionPointerType()) 532264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(ND->getType(), ND); 532364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 532464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 532564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 532664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 532764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 532864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 532964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefVar(VD); 533064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 533164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 533264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeOfDecl(VD); 533364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 533464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 533564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) { 533664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 533764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 533864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 533964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 534064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 534164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 534264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 534364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 534464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 534564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(CE); 534664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 534764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 534864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) { 534964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "Statement stack is empty"); 535064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 535164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 535264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian && "Statement stack mismatch"); 535364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 535464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 535564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle blocks rewriting. 535664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 535764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 535864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 535964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 536064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 536164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 536264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 536364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 536464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 536564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getCallee()->getType()->isBlockPointerType()) { 536664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 536764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, BlockCall); 536864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return BlockCall; 536964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 537064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 537164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 537264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 537364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 5374f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 5375f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian RewriteImplicitCastObjCExpr(ICE); 5376f1ee68710ae8ca93a35ab11995ed5df321ade9ecFariborz Jahanian } 537764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 537864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 537964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 538064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ICE->getSubExpr(), 538164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 538264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 538364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 538464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream Buf(SStr); 538564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement->printPretty(Buf, *Context); 538664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = Buf.str(); 538764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 538864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian printf("CAST = %s\n", &Str[0]); 538964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 539064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete S; 539164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 539264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 539364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 539464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Return this stmt unmodified. 539564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 539664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 539764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 539864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteRecordBody(RecordDecl *RD) { 539964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 540064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 540164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = *i; 540264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(FD->getType())) 540364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(FD); 540464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getType()->isObjCQualifiedIdType() || 540564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType()->isObjCQualifiedInterfaceType()) 540664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 540764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 540864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 540964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 541064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// HandleDeclInMainFile - This is called for each top-level decl defined in the 541164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// main file of the input. 541264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleDeclInMainFile(Decl *D) { 541364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (D->getKind()) { 541464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Function: { 541564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD = cast<FunctionDecl>(D); 541664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->isOverloadedOperator()) 541764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 541864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 541964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since function prototypes don't have ParmDecl's, we check the function 542064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // prototype. This enables us to rewrite function declarations and 542164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // definitions using the same code. 542264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(FD->getType(), FD); 542364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54249335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 54259335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis break; 54269335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis 542764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 542864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 542964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = FD; 543064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 543164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 543264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 543364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 543464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->setBody(Body); 543564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 543664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 543764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 543864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 543964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 544064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This synthesizes and inserts the block "impl" struct, invoke function, 544164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and any copy/dispose helper functions. 544264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinFunction(FD); 544364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 544464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 544564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 544664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 544764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 544864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCMethod: { 544964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D); 545064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = MD->getCompoundBody()) { 545164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = MD; 545264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 545364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 545464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 545564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MD->setBody(Body); 545664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 545764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 545864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 545964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 546064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 546164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinMethod(MD); 546264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 546364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 546464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 546564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 546664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCImplementation: { 546764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D); 546864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassImplementation.push_back(CI); 546964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 547064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 547164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCCategoryImpl: { 547264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D); 547364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CategoryImplementation.push_back(CI); 547464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 547564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 547664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Var: { 547764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = cast<VarDecl>(D); 547864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(VD); 547964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(VD->getType())) 548064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(VD); 548164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isFunctionPointerType()) { 548264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(VD->getType(), VD); 548364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 548464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 548564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 548664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 548764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 548864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VD->getType()->isRecordType()) { 548964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 549064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 549164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 549264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 549364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 549464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = VD; 549564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = VD->getInit(); 549664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 549764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 549864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 549964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 550064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 550164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 550264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName()); 550364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 550464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 550564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed for blocks. 550664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 550764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 550864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 550964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 551064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 551164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 551264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::TypeAlias: 551364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Typedef: { 551464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) { 551564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 551664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 551764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 551864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 551964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 552064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 552164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 552264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::CXXRecord: 552364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Record: { 552464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = cast<RecordDecl>(D); 552564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 552664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 552764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 552864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 552964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 553064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 553164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 553264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Nothing yet. 553364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 553464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 553530650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian/// Write_ProtocolExprReferencedMetadata - This routine writer out the 553630650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian/// protocol reference symbols in the for of: 553730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian/// struct _protocol_t *PROTOCOL_REF = &PROTOCOL_METADATA. 553830650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanianstatic void Write_ProtocolExprReferencedMetadata(ASTContext *Context, 553930650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian ObjCProtocolDecl *PDecl, 554030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian std::string &Result) { 554130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian // Also output .objc_protorefs$B section and its meta-data. 554230650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian if (Context->getLangOpts().MicrosoftExt) 554330650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "__declspec(allocate(\".objc_protorefs$B\")) "; 554430650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "struct _protocol_t *"; 554530650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "_OBJC_PROTOCOL_REFERENCE_$_"; 554630650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += PDecl->getNameAsString(); 554730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += " = &"; 554830650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "_OBJC_PROTOCOL_"; Result += PDecl->getNameAsString(); 554930650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += ";\n"; 555030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian} 555130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian 555264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTranslationUnit(ASTContext &C) { 555364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 555464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 555564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 555664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteInclude(); 555764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 555864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here's a great place to add any extra declarations that may be needed. 555964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write out meta data for each @protocol(<expr>). 556064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 556130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian E = ProtocolExprDecls.end(); I != E; ++I) { 5562da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Preamble); 556330650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Write_ProtocolExprReferencedMetadata(Context, (*I), Preamble); 556430650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian } 556564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 556664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 556757317788289549d61ada868d07792b637a32d52eFariborz Jahanian for (unsigned i = 0, e = ObjCInterfacesSeen.size(); i < e; i++) { 556857317788289549d61ada868d07792b637a32d52eFariborz Jahanian ObjCInterfaceDecl *CDecl = ObjCInterfacesSeen[i]; 556957317788289549d61ada868d07792b637a32d52eFariborz Jahanian // Write struct declaration for the class matching its ivar declarations. 557057317788289549d61ada868d07792b637a32d52eFariborz Jahanian // Note that for modern abi, this is postponed until the end of TU 557157317788289549d61ada868d07792b637a32d52eFariborz Jahanian // because class extensions and the implementation might declare their own 557257317788289549d61ada868d07792b637a32d52eFariborz Jahanian // private ivars. 557357317788289549d61ada868d07792b637a32d52eFariborz Jahanian RewriteInterfaceDecl(CDecl); 557457317788289549d61ada868d07792b637a32d52eFariborz Jahanian } 557572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 557664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size()) 557764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementations(); 557864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 557964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the buffer corresponding to MainFileID. If we haven't changed it, then 558064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we are done. 558164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const RewriteBuffer *RewriteBuf = 558264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.getRewriteBufferFor(MainFileID)) { 558364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //printf("Changed:\n"); 558464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 558564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 558664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::errs() << "No changes\n"; 558764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 558864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 558964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size() || 559064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.size()) { 559164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite Objective-c meta data* 559264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 559364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMetaDataIntoBuffer(ResultStr); 559464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Emit metadata. 559564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << ResultStr; 559664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 559710cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // Emit ImageInfo; 559810cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian { 559910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian std::string ResultStr; 560010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian WriteImageInfo(ResultStr); 560110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian *OutFile << ResultStr; 560210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian } 560364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OutFile->flush(); 560464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 560564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 560664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::Initialize(ASTContext &context) { 560764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitializeCommon(context); 560864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56096991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#ifndef __OBJC2__\n"; 56106991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#define __OBJC2__\n"; 56116991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#endif\n"; 56126991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian 561364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declaring objc_selector outside the parameter list removes a silly 561464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scope related warning... 561564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IsHeader) 561664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble = "#pragma once\n"; 561764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_selector; struct objc_class;\n"; 561864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __rw_objc_super { struct objc_object *object; "; 561964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_object *superClass; "; 562064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 56211ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian // Define all sections using syntax that makes sense. 562210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // These are currently generated. 562310cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "\n#pragma section(\".objc_classlist$B\", long, read, write)\n"; 56241ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".objc_catlist$B\", long, read, write)\n"; 562510cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".objc_protolist$B\", long, read, write)\n"; 562610cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".objc_imageinfo$B\", long, read, write)\n"; 562788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Preamble += "#pragma section(\".objc_nlclslist$B\", long, read, write)\n"; 562888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Preamble += "#pragma section(\".objc_nlcatlist$B\", long, read, write)\n"; 562910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".objc_protorefs$B\", long, read, write)\n"; 563010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // These are generated but not necessary for functionality. 563110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".datacoal_nt$B\", long, read, write)\n"; 563210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".cat_cls_meth$B\", long, read, write)\n"; 56331ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".inst_meth$B\", long, read, write)\n"; 56341ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".cls_meth$B\", long, read, write)\n"; 563540a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Preamble += "#pragma section(\".objc_ivar$B\", long, read, write)\n"; 5636de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian 563730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian // These need be generated for performance. Currently they are not, 563830650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian // using API calls instead. 563930650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Preamble += "#pragma section(\".objc_selrefs$B\", long, read, write)\n"; 564030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Preamble += "#pragma section(\".objc_classrefs$B\", long, read, write)\n"; 564130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Preamble += "#pragma section(\".objc_superrefs$B\", long, read, write)\n"; 564230650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian 564364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add a constructor for creating temporary objects. 564464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 564564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ": "; 564664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "object(o), superClass(s) {} "; 564764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 564864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 564964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 565064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "typedef struct objc_object Protocol;\n"; 565164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define _REWRITER_typedef_Protocol\n"; 565264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 565364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 565464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 565564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 56565cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian } 56575cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian else 565864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 56595cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian 56605cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend(void);\n"; 56615cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSendSuper(void);\n"; 56625cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend_stret(void);\n"; 56635cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSendSuper_stret(void);\n"; 56645cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend_fpret(void);\n"; 56655cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian 566664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 566764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 566864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 566964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 567064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 567164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 567255261afb725b8af330addddd2e452f9f28ddd96bFariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw( struct objc_object *);\n"; 567364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @synchronized hooks. 567455261afb725b8af330addddd2e452f9f28ddd96bFariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter( struct objc_object *);\n"; 567555261afb725b8af330addddd2e452f9f28ddd96bFariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit( struct objc_object *);\n"; 567664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 567764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 567864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __objcFastEnumerationState {\n\t"; 567964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long state;\n\t"; 568064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "void **itemsPtr;\n\t"; 568164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long *mutationsPtr;\n\t"; 568264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long extra[5];\n};\n"; 568364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 568464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __FASTENUMERATIONSTATE\n"; 568564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 568664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 568764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __NSConstantStringImpl {\n"; 568864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int *isa;\n"; 568964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int flags;\n"; 569064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " char *str;\n"; 569164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " long length;\n"; 569264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 569364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 569464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 569564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 569664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 569764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 569864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 569964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 570064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks preamble. 570164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef BLOCK_IMPL\n"; 570264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define BLOCK_IMPL\n"; 570364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __block_impl {\n"; 570464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *isa;\n"; 570564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Flags;\n"; 570664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Reserved;\n"; 570764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *FuncPtr;\n"; 570864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 570964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 571064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 571164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 571264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 571364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 571464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 571564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 571664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 571764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 571864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 571964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 572064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 572164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 572264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 572364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 572464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 572564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 572664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 572764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __attribute__(X)\n"; 572864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 572964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 573064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 573164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 573264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __block\n"; 573364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 573464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 5735b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian 5736b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian // Declarations required for modern objective-c array and dictionary literals. 5737b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\n#include <stdarg.h>\n"; 5738e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Preamble += "struct __NSContainer_literal {\n"; 5739b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += " void * *arr;\n"; 5740e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Preamble += " __NSContainer_literal (unsigned int count, ...) {\n"; 5741b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\tva_list marker;\n"; 5742b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\tva_start(marker, count);\n"; 5743b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\tarr = new void *[count];\n"; 5744b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\tfor (unsigned i = 0; i < count; i++)\n"; 5745b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\t arr[i] = va_arg(marker, void *);\n"; 5746b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\tva_end( marker );\n"; 5747b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += " };\n"; 5748e35abe1fd3f867ae51d5c68d98578d537eb6becaFariborz Jahanian Preamble += " __NSContainer_literal() {\n"; 5749b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "\tdelete[] arr;\n"; 5750b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += " }\n"; 5751b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian Preamble += "};\n"; 5752b0f245ccce94a069c9334e51f3c5d502eb2d0215Fariborz Jahanian 575364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 575464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 575564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 575664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 575764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 575864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteIvarOffsetComputation - This rutine synthesizes computation of 575964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ivar offset. 576064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 576164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 576264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ivar->isBitField()) { 576364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 576464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // place all bitfields at offset 0. 576564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "0"; 576664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 576764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 576864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 576964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 577064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 577164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", "; 577264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getNameAsString(); 577364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ")"; 577464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 577564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 577664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 577764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// WriteModernMetadataDeclarations - Writes out metadata declarations for modern ABI. 577864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t { 5779da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian/// const char *name; 578064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *attributes; 578164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 578264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 578364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_list_t { 578464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _prop_t) 578564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t count_of_properties; 578664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t prop_list[count_of_properties]; 578764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 578864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 578964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t; 579064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 579164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_list_t { 579264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// long protocol_count; // Note, this is 32/64 bit 579364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t * protocol_list[protocol_count]; 579464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 579564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 579664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method { 579764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SEL _cmd; 579877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian/// const char *method_type; 579964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *_imp; 580064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 580164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 580264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _method_list_t { 580364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _objc_method) 580464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t method_count; 580564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method method_list[method_count]; 580664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 580764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 580864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t { 580964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id isa; // NULL 58104e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const char *protocol_name; 581164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _protocol_list_t * protocol_list; // super protocols 58124e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct method_list_t *instance_methods; 58134e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct method_list_t *class_methods; 581464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalInstanceMethods; 581564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalClassMethods; 581664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _prop_list_t * properties; 581764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t size; // sizeof(struct _protocol_t) 581864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t flags; // = 0 581964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char ** extendedMethodTypes; 582064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 582164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 582242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_t { 582342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// unsigned long int *offset; // pointer to ivar offset location 5824ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *name; 5825ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *type; 582642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t alignment; 582742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t size; 582842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 582942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 583042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_list_t { 583142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 entsize; // sizeof(struct _ivar_t) 583242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 count; 5833ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// struct _ivar_t list[count]; 583442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 583542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 583642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_ro_t { 5837249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t flags; 5838249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t instanceStart; 5839249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t instanceSize; 5840249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t reserved; // only when building for 64bit targets 58414e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const uint8_t *ivarLayout; 58424e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const char *name; 58434e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _method_list_t *baseMethods; 58444e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _protocol_list_t *baseProtocols; 58454e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _ivar_list_t *ivars; 58464e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const uint8_t *weakIvarLayout; 58474e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _prop_list_t *properties; 584842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 584942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 585042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t { 585142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t *isa; 5852fd4ce2c9d64032b42c037b2af3bf4ebeac5bbac8Fariborz Jahanian/// struct _class_t *superclass; 585342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// void *cache; 585442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP *vtable; 58553f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian/// struct _class_ro_t *ro; 585642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 585742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 585842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _category_t { 58594e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const char *name; 58604b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian/// struct _class_t *cls; 58614e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _method_list_t *instance_methods; 58624e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _method_list_t *class_methods; 58634e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _protocol_list_t *protocols; 58644e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _prop_list_t *properties; 586542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 586642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 586742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// MessageRefTy - LLVM for: 586842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _message_ref_t { 586942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP messenger; 587042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 587142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 587242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 587342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SuperMessageRefTy - LLVM for: 587442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _super_message_ref_t { 587542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SUPER_IMP messenger; 587642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 587742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 587842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 5879de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanianstatic void WriteModernMetadataDeclarations(ASTContext *Context, std::string &Result) { 588064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool meta_data_declared = false; 588164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (meta_data_declared) 588264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 588364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 588464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _prop_t {\n"; 5885da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *name;\n"; 5886da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *attributes;\n"; 588764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 588864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 588964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t;\n"; 589064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 589164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 589264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct objc_selector * _cmd;\n"; 589377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tconst char *method_type;\n"; 589490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "\tvoid *_imp;\n"; 589564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 589664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 589764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t {\n"; 589864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid * isa; // NULL\n"; 58994e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst char *protocol_name;\n"; 590064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _protocol_list_t * protocol_list; // super protocols\n"; 59014e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct method_list_t *instance_methods;\n"; 59024e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct method_list_t *class_methods;\n"; 590364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalInstanceMethods;\n"; 590464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalClassMethods;\n"; 590564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _prop_list_t * properties;\n"; 590664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int size; // sizeof(struct _protocol_t)\n"; 590764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int flags; // = 0\n"; 590864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char ** extendedMethodTypes;\n"; 590964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 591064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 591142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _ivar_t {\n"; 591242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned long int *offset; // pointer to ivar offset location\n"; 5913ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *name;\n"; 5914ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *type;\n"; 591542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int alignment;\n"; 591642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int size;\n"; 591742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 591842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 591942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_ro_t {\n"; 5920249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian Result += "\tunsigned int flags;\n"; 592142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int instanceStart;\n"; 5922249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian Result += "\tunsigned int instanceSize;\n"; 5923de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian const llvm::Triple &Triple(Context->getTargetInfo().getTriple()); 5924de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian if (Triple.getArch() == llvm::Triple::x86_64) 5925249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian Result += "\tunsigned int reserved;\n"; 59264e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst unsigned char *ivarLayout;\n"; 59274e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst char *name;\n"; 59284e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _method_list_t *baseMethods;\n"; 59294e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _objc_protocol_list *baseProtocols;\n"; 59304e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _ivar_list_t *ivars;\n"; 59314e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst unsigned char *weakIvarLayout;\n"; 59324e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _prop_list_t *properties;\n"; 593342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 593442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 593542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_t {\n"; 593642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *isa;\n"; 5937fd4ce2c9d64032b42c037b2af3bf4ebeac5bbac8Fariborz Jahanian Result += "\tstruct _class_t *superclass;\n"; 593842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *cache;\n"; 593942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *vtable;\n"; 59403f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\tstruct _class_ro_t *ro;\n"; 594142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 594242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 594342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _category_t {\n"; 59444e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst char *name;\n"; 59454b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "\tstruct _class_t *cls;\n"; 59464e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _method_list_t *instance_methods;\n"; 59474e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _method_list_t *class_methods;\n"; 59484e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _protocol_list_t *protocols;\n"; 59494e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _prop_list_t *properties;\n"; 595042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 595142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 59523f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" __declspec(dllimport) struct objc_cache _objc_empty_cache;\n"; 5953297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "#pragma warning(disable:4273)\n"; 595464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian meta_data_declared = true; 595564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 595664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 5957da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_t_TypeDecl(std::string &Result, 5958da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian long super_protocol_count) { 5959da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "struct /*_protocol_list_t*/"; Result += " {\n"; 5960da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tlong protocol_count; // Note, this is 32/64 bit\n"; 5961da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tstruct _protocol_t *super_protocols["; 5962da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += utostr(super_protocol_count); Result += "];\n"; 5963da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "}"; 5964da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5965da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 596677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanianstatic void Write_method_list_t_TypeDecl(std::string &Result, 596777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian unsigned int method_count) { 596877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "struct /*_method_list_t*/"; Result += " {\n"; 596977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _objc_method)\n"; 597077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int method_count;\n"; 597177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tstruct _objc_method method_list["; 597277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += utostr(method_count); Result += "];\n"; 597377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "}"; 597477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 597577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5976da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanianstatic void Write__prop_list_t_TypeDecl(std::string &Result, 5977da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian unsigned int property_count) { 5978da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "struct /*_prop_list_t*/"; Result += " {\n"; 5979da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5980da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int count_of_properties;\n"; 5981da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tstruct _prop_t prop_list["; 5982da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += utostr(property_count); Result += "];\n"; 5983da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}"; 5984da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5985da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 5986ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_TypeDecl(std::string &Result, 5987ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian unsigned int ivar_count) { 5988ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "struct /*_ivar_list_t*/"; Result += " {\n"; 5989ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5990ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int count;\n"; 5991ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tstruct _ivar_t ivar_list["; 5992ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += utostr(ivar_count); Result += "];\n"; 5993ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}"; 5994ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5995ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5996da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_initializer(ASTContext *Context, std::string &Result, 5997da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ArrayRef<ObjCProtocolDecl *> SuperProtocols, 5998da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef VarName, 5999da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef ProtocolName) { 6000da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 6001da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\nstatic "; 6002da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_t_TypeDecl(Result, SuperProtocols.size()); 6003da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " "; Result += VarName; 6004da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ProtocolName; 6005da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 6006da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t"; Result += utostr(SuperProtocols.size()); Result += ",\n"; 6007da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (unsigned i = 0, e = SuperProtocols.size(); i < e; i++) { 6008da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ObjCProtocolDecl *SuperPD = SuperProtocols[i]; 6009da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t&"; Result += "_OBJC_PROTOCOL_"; 6010da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += SuperPD->getNameAsString(); 6011da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (i == e-1) 6012da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\n};\n"; 6013da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 6014da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ",\n"; 6015da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 6016da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 6017da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 6018da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 601990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanianstatic void Write_method_list_t_initializer(RewriteModernObjC &RewriteObj, 602090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ASTContext *Context, std::string &Result, 602177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 602277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian StringRef VarName, 602390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian StringRef TopLevelDeclName, 602490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian bool MethodImpl) { 602577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (Methods.size() > 0) { 602677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\nstatic "; 602777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_TypeDecl(Result, Methods.size()); 602877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " "; Result += VarName; 602990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += TopLevelDeclName; 603077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 603177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += "sizeof(_objc_method)"; Result += ",\n"; 603277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += utostr(Methods.size()); Result += ",\n"; 603377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 603477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 603577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == 0) 603677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{{(struct objc_selector *)\""; 603777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 603877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{(struct objc_selector *)\""; 603977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += (MD)->getSelector().getAsString(); Result += "\""; 604077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 604177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::string MethodTypeString; 604277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString); 604377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\""; Result += MethodTypeString; Result += "\""; 604477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 604590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!MethodImpl) 604690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "0"; 604790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian else { 604890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "(void *)"; 604990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += RewriteObj.MethodInternalNames[MD]; 605090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 605177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == e-1) 605290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "}}\n"; 605377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 605490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "},\n"; 605577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 605677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "};\n"; 605777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 605877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 605977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 6060f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write_prop_list_t_initializer(RewriteModernObjC &RewriteObj, 6061da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ASTContext *Context, std::string &Result, 6062da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ArrayRef<ObjCPropertyDecl *> Properties, 6063da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian const Decl *Container, 6064da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef VarName, 6065da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef ProtocolName) { 6066da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (Properties.size() > 0) { 6067da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\nstatic "; 6068da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Write__prop_list_t_TypeDecl(Result, Properties.size()); 6069da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " "; Result += VarName; 6070da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += ProtocolName; 6071da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 6072da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += "sizeof(_prop_t)"; Result += ",\n"; 6073da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += utostr(Properties.size()); Result += ",\n"; 6074da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (unsigned i = 0, e = Properties.size(); i < e; i++) { 6075da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ObjCPropertyDecl *PropDecl = Properties[i]; 6076da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == 0) 6077da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{{\""; 6078da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 6079da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{\""; 6080da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += PropDecl->getName(); Result += "\","; 6081da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::string PropertyTypeString, QuotePropertyTypeString; 6082da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Context->getObjCEncodingForPropertyDecl(PropDecl, Container, PropertyTypeString); 6083da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian RewriteObj.QuoteDoublequotes(PropertyTypeString, QuotePropertyTypeString); 6084da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\""; Result += QuotePropertyTypeString; Result += "\""; 6085da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == e-1) 6086da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}}\n"; 6087da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 6088da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "},\n"; 6089da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 6090da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "};\n"; 6091da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 6092da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 6093da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 60946ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian// Metadata flags 60956ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianenum MetaDataDlags { 60966ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS = 0x0, 60976ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_META = 0x1, 60986ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_ROOT = 0x2, 60996ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian OBJC2_CLS_HIDDEN = 0x10, 61006ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_EXCEPTION = 0x20, 61016ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 61026ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// (Obsolete) ARC-specific: this class has a .release_ivars method 61036ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_HAS_IVAR_RELEASER = 0x40, 61046ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// class was compiled with -fobjc-arr 61056ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_COMPILED_BY_ARC = 0x80 // (1<<7) 61066ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian}; 61076ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6108f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write__class_ro_t_initializer(ASTContext *Context, std::string &Result, 6109f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian unsigned int flags, 6110f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceStart, 6111f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceSize, 6112f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCMethodDecl *>baseMethods, 6113f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCProtocolDecl *>baseProtocols, 6114f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCIvarDecl *>ivars, 6115f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCPropertyDecl *>Properties, 6116f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef VarName, 6117f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef ClassName) { 6118f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\nstatic struct _class_ro_t "; 6119f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += VarName; Result += ClassName; 6120f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 6121f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 6122f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += llvm::utostr(flags); Result += ", "; 6123f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceStart; Result += ", "; 6124f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceSize; Result += ", \n"; 6125f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 6126de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian const llvm::Triple &Triple(Context->getTargetInfo().getTriple()); 6127de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian if (Triple.getArch() == llvm::Triple::x86_64) 6128de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian // uint32_t const reserved; // only when building for 64bit targets 6129de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian Result += "(unsigned int)0, \n\t"; 6130f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // const uint8_t * const ivarLayout; 6131f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 6132f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\""; Result += ClassName; Result += "\",\n\t"; 61336ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool metaclass = ((flags & CLS_META) != 0); 6134f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (baseMethods.size() > 0) { 6135f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _method_list_t *)&"; 61366ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (metaclass) 61376ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_CLASS_METHODS_"; 61386ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian else 61396ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_INSTANCE_METHODS_"; 61406ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += ClassName; 6141f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 6142f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6143f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6144f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 6145f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 61466ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && baseProtocols.size() > 0) { 6147f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _objc_protocol_list *)&"; 6148f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_CLASS_PROTOCOLS_$_"; Result += ClassName; 6149f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 6150f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6151f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6152f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 6153f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 61546ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && ivars.size() > 0) { 6155f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _ivar_list_t *)&"; 6156f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_$_INSTANCE_VARIABLES_"; Result += ClassName; 6157f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 6158f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6159f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6160f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 6161f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6162f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // weakIvarLayout 6163f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 61646ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && Properties.size() > 0) { 6165f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _prop_list_t *)&"; 6166eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian Result += "_OBJC_$_PROP_LIST_"; Result += ClassName; 6167f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n"; 6168f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6169f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6170f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n"; 6171f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6172f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "};\n"; 6173f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian} 6174f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 61753f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanianstatic void Write_class_t(ASTContext *Context, std::string &Result, 61763f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian StringRef VarName, 6177a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian const ObjCInterfaceDecl *CDecl, bool metaclass) { 6178a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian bool rootClass = (!CDecl->getSuperClass()); 6179a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian const ObjCInterfaceDecl *RootClass = CDecl; 61803f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 6181a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 6182a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian // Find the Root class 6183a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian RootClass = CDecl->getSuperClass(); 6184a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian while (RootClass->getSuperClass()) { 6185a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian RootClass = RootClass->getSuperClass(); 6186a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian } 6187a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian } 6188a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6189a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass && rootClass) { 61903f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Need to handle a case of use of forward declaration. 6191ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "\n"; 61923f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 6193ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian if (CDecl->getImplementation()) 6194ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "__declspec(dllexport) "; 6195297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian else 6196297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "__declspec(dllimport) "; 6197297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian 61983f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t OBJC_CLASS_$_"; 61993f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 62003f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 62013f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 62023f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Also, for possibility of 'super' metadata class not having been defined yet. 6203a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 6204868e985d4e2845cf19517dac932dfd013a8494b9Fariborz Jahanian ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass(); 6205ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "\n"; 62063f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 6207868e985d4e2845cf19517dac932dfd013a8494b9Fariborz Jahanian if (SuperClass->getImplementation()) 6208ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "__declspec(dllexport) "; 6209297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian else 6210297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "__declspec(dllimport) "; 6211297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian 62123f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t "; 6213ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += VarName; 6214868e985d4e2845cf19517dac932dfd013a8494b9Fariborz Jahanian Result += SuperClass->getNameAsString(); 62153f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 6216452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian 6217868e985d4e2845cf19517dac932dfd013a8494b9Fariborz Jahanian if (metaclass && RootClass != SuperClass) { 62183f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 6219452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian if (RootClass->getImplementation()) 6220452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "__declspec(dllexport) "; 6221297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian else 6222297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "__declspec(dllimport) "; 6223297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian 62243f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t "; 6225452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += VarName; 6226452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += RootClass->getNameAsString(); 6227452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += ";\n"; 6228452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian } 62293f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 62303f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 6231297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "\nextern \"C\" __declspec(dllexport) struct _class_t "; 6232297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += VarName; Result += CDecl->getNameAsString(); 62333f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_data\"))) = {\n"; 62343f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\t"; 6235a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass) { 6236a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 6237a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &"; Result += VarName; 6238a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += RootClass->getNameAsString(); 62393f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 6240a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &"; Result += VarName; 62413f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 62423f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 62433f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 62443f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 6245452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "0, // &"; Result += VarName; 62463f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 62473f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 6248a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &OBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 62493f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 62503f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 62513f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 62523f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 6253a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &OBJC_METACLASS_$_"; 62543f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 62553f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 6256a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 6257a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &"; Result += VarName; 62583f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 62593f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 62603f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 62613f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 62623f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "0,\n\t"; 62633f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 6264a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // (void *)&_objc_empty_cache,\n\t"; 6265a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // unused, was (void *)&_objc_empty_vtable,\n\t"; 6266a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass) 62673f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_METACLASS_RO_$_"; 62683f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 62693f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_CLASS_RO_$_"; 62703f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 62713f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n};\n"; 6272a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6273a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian // Add static function to initialize some of the meta-data fields. 6274a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian // avoid doing it twice. 6275a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass) 6276a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian return; 6277a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6278a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian const ObjCInterfaceDecl *SuperClass = 6279a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian rootClass ? CDecl : CDecl->getSuperClass(); 6280a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6281a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "static void OBJC_CLASS_SETUP_$_"; 6282a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += CDecl->getNameAsString(); 6283a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "(void ) {\n"; 6284a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString(); 6285a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".isa = "; Result += "&OBJC_METACLASS_$_"; 6286452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += RootClass->getNameAsString(); Result += ";\n"; 6287a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6288a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString(); 6289452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += ".superclass = "; 6290452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian if (rootClass) 6291452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "&OBJC_CLASS_$_"; 6292452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian else 6293452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "&OBJC_METACLASS_$_"; 6294452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian 6295a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += SuperClass->getNameAsString(); Result += ";\n"; 6296a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6297a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString(); 6298a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".cache = "; Result += "&_objc_empty_cache"; Result += ";\n"; 6299a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6300a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 6301a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".isa = "; Result += "&OBJC_METACLASS_$_"; 6302a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += CDecl->getNameAsString(); Result += ";\n"; 6303a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6304a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 6305a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 6306a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".superclass = "; Result += "&OBJC_CLASS_$_"; 6307a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += SuperClass->getNameAsString(); Result += ";\n"; 6308a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian } 6309a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 6310a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 6311a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".cache = "; Result += "&_objc_empty_cache"; Result += ";\n"; 6312a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "}\n"; 63133f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian} 63143f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 63156118612837887cbae365676d53cc3e1c258249aaFariborz Jahanianstatic void Write_category_t(RewriteModernObjC &RewriteObj, ASTContext *Context, 63166118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::string &Result, 6317e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian ObjCCategoryDecl *CatDecl, 631888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian ObjCInterfaceDecl *ClassDecl, 63196118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCMethodDecl *> InstanceMethods, 63206118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCMethodDecl *> ClassMethods, 63216118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCProtocolDecl *> RefedProtocols, 63226118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCPropertyDecl *> ClassProperties) { 6323e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian StringRef CatName = CatDecl->getName(); 632420f89390c7f9eaf7c62bcc9145fbc5ba7725557bNAKAMURA Takumi StringRef ClassName = ClassDecl->getName(); 63258c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian // must declare an extern class object in case this class is not implemented 63268c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian // in this TU. 632788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "\n"; 63283f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 632988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (ClassDecl->getImplementation()) 633088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "__declspec(dllexport) "; 6331297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian else 6332297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "__declspec(dllimport) "; 633388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 63343f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t "; 63358c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += "OBJC_CLASS_$_"; Result += ClassName; 63368c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += ";\n"; 63378c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian 63386118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\nstatic struct _category_t "; 63396118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_"; 63406118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 63416118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 63426118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "{\n"; 63436118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t\""; Result += ClassName; Result += "\",\n"; 63444b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "\t0, // &"; Result += "OBJC_CLASS_$_"; Result += ClassName; 63456118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 63466118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (InstanceMethods.size() > 0) { 63476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _method_list_t *)&"; 63486118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_INSTANCE_METHODS_"; 63496118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 63506118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 63516118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 63526118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 63536118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 63546118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 63556118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (ClassMethods.size() > 0) { 63566118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _method_list_t *)&"; 63576118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_CLASS_METHODS_"; 63586118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 63596118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 63606118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 63616118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 63626118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 63636118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 63646118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (RefedProtocols.size() > 0) { 63656118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; 63666118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_CATEGORY_PROTOCOLS_$_"; 63676118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 63686118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 63696118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 63706118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 63716118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 63726118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 63736118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (ClassProperties.size() > 0) { 63746118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _prop_list_t *)&"; Result += "_OBJC_$_PROP_LIST_"; 63756118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 63766118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 63776118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 63786118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 63796118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 63806118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 63816118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "};\n"; 63824b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian 63834b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian // Add static function to initialize the class pointer in the category structure. 63844b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "static void OBJC_CATEGORY_SETUP_$_"; 63854b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ClassDecl->getNameAsString(); 63864b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "_$_"; 63874b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += CatName; 63884b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "(void ) {\n"; 63894b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "\t_OBJC_$_CATEGORY_"; 63904b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ClassDecl->getNameAsString(); 63914b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "_$_"; 63924b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += CatName; 63934b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ".cls = "; Result += "&OBJC_CLASS_$_"; Result += ClassName; 63944b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ";\n}\n"; 63956118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian} 63966118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 6397e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanianstatic void Write__extendedMethodTypes_initializer(RewriteModernObjC &RewriteObj, 6398e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ASTContext *Context, std::string &Result, 6399e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 6400e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef VarName, 6401e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef ProtocolName) { 6402e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (Methods.size() == 0) 6403e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian return; 6404e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 6405e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\nstatic const char *"; 6406e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += VarName; Result += ProtocolName; 6407e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += " [] __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 6408e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "{\n"; 6409e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 6410e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 6411e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::string MethodTypeString, QuoteMethodTypeString; 6412e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString, true); 6413e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian RewriteObj.QuoteDoublequotes(MethodTypeString, QuoteMethodTypeString); 6414e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t\""; Result += QuoteMethodTypeString; Result += "\""; 6415e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (i == e-1) 6416e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 6417e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else { 6418e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += ",\n"; 6419e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 6420e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 6421e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian} 6422e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 6423acee1c9dbe180c6493d1bcda6a0a7ee4018ed7b1Fariborz Jahanianstatic void Write_IvarOffsetVar(RewriteModernObjC &RewriteObj, 6424acee1c9dbe180c6493d1bcda6a0a7ee4018ed7b1Fariborz Jahanian ASTContext *Context, 642540a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian std::string &Result, 6426db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 64277cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian ObjCInterfaceDecl *CDecl) { 6428db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // FIXME. visibilty of offset symbols may have to be set; for Darwin 6429db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // this is what happens: 6430db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian /** 6431db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian if (Ivar->getAccessControl() == ObjCIvarDecl::Private || 6432db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Ivar->getAccessControl() == ObjCIvarDecl::Package || 6433db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Class->getVisibility() == HiddenVisibility) 6434db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: HiddenVisibility; 6435db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian else 6436db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: DefaultVisibility; 6437db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian */ 6438db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 643907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "\n"; 644007e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 644107e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 644240a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (Context->getLangOpts().MicrosoftExt) 644340a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "__declspec(allocate(\".objc_ivar$B\")) "; 644440a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian 644540a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (!Context->getLangOpts().MicrosoftExt || 644640a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian IvarDecl->getAccessControl() == ObjCIvarDecl::Private || 6447117591f6247b186a4161459ad8603563cfd1c54cFariborz Jahanian IvarDecl->getAccessControl() == ObjCIvarDecl::Package) 6448297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "extern \"C\" unsigned long int "; 6449d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian else 6450297976d3dc9a5c402b52c734dc06d69f2f987e1cFariborz Jahanian Result += "extern \"C\" __declspec(dllexport) unsigned long int "; 64517cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(CDecl, IvarDecl, Result); 645207e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_ivar\")))"; 645307e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " = "; 6454acee1c9dbe180c6493d1bcda6a0a7ee4018ed7b1Fariborz Jahanian RewriteObj.RewriteIvarOffsetComputation(IvarDecl, Result); 6455acee1c9dbe180c6493d1bcda6a0a7ee4018ed7b1Fariborz Jahanian Result += ";\n"; 6456db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 6457db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian} 6458db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 6459ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_initializer(RewriteModernObjC &RewriteObj, 6460ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ASTContext *Context, std::string &Result, 6461ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 6462ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian StringRef VarName, 64637cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian ObjCInterfaceDecl *CDecl) { 6464ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (Ivars.size() > 0) { 6465acee1c9dbe180c6493d1bcda6a0a7ee4018ed7b1Fariborz Jahanian Write_IvarOffsetVar(RewriteObj, Context, Result, Ivars, CDecl); 646607e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian 6467ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\nstatic "; 6468ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_TypeDecl(Result, Ivars.size()); 6469ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " "; Result += VarName; 64707cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += CDecl->getNameAsString(); 6471ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 6472ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += "sizeof(_ivar_t)"; Result += ",\n"; 6473ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += utostr(Ivars.size()); Result += ",\n"; 6474ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 6475ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 6476ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == 0) 6477ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t{{"; 6478ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 6479ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t {"; 64807cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += "(unsigned long int *)&"; 64817cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(CDecl, IvarDecl, Result); 6482db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ", "; 6483ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 6484ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += IvarDecl->getName(); Result += "\", "; 6485ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian std::string IvarTypeString, QuoteIvarTypeString; 6486ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Context->getObjCEncodingForType(IvarDecl->getType(), IvarTypeString, 6487ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IvarDecl); 6488ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian RewriteObj.QuoteDoublequotes(IvarTypeString, QuoteIvarTypeString); 6489ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += QuoteIvarTypeString; Result += "\", "; 6490ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 64918f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // FIXME. this alignment represents the host alignment and need be changed to 64928f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // represent the target alignment. 64938f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian unsigned Align = Context->getTypeAlign(IvarDecl->getType())/8; 64948f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian Align = llvm::Log2_32(Align); 6495ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += llvm::utostr(Align); Result += ", "; 6496a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian CharUnits Size = Context->getTypeSizeInChars(IvarDecl->getType()); 6497a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += llvm::utostr(Size.getQuantity()); 6498ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == e-1) 6499ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}}\n"; 6500ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 6501ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "},\n"; 6502ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 6503ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "};\n"; 6504ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 6505ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 6506ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 650764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 6508da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, 6509da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result) { 651064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 651164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Do not synthesize the protocol more than once. 651264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl())) 651364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 6514de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian WriteModernMetadataDeclarations(Context, Result); 651564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 651664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Def = PDecl->getDefinition()) 651764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl = Def; 6518da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 6519da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 6520da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 6521da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 6522da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 652364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 652477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian // Construct method lists. 652577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> InstanceMethods, ClassMethods; 652677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> OptInstanceMethods, OptClassMethods; 652777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 652877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 652977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 653077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 653177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 653277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptInstanceMethods.push_back(MD); 653377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 653477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian InstanceMethods.push_back(MD); 653577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 653677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 653777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 653877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 653977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 654077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 654177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 654277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 654377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptClassMethods.push_back(MD); 654477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 654577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ClassMethods.push_back(MD); 654677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 654777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 6548e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::vector<ObjCMethodDecl *> AllMethods; 6549e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = InstanceMethods.size(); i < e; i++) 6550e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(InstanceMethods[i]); 6551e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = ClassMethods.size(); i < e; i++) 6552e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(ClassMethods[i]); 6553e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptInstanceMethods.size(); i < e; i++) 6554e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptInstanceMethods[i]); 6555e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptClassMethods.size(); i < e; i++) 6556e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptClassMethods[i]); 6557e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 6558e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Write__extendedMethodTypes_initializer(*this, Context, Result, 6559e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods, 6560e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian "_OBJC_PROTOCOL_METHOD_TYPES_", 6561e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian PDecl->getNameAsString()); 6562da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Protocol's super protocol list 6563da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::vector<ObjCProtocolDecl *> SuperProtocols; 6564da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 6565da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 6566da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian SuperProtocols.push_back(*I); 6567da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 6568da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_initializer(Context, Result, SuperProtocols, 6569da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian "_OBJC_PROTOCOL_REFS_", 6570da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian PDecl->getNameAsString()); 6571da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 657290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 657377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_INSTANCE_METHODS_", 657490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 657577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 657690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 657777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_CLASS_METHODS_", 657890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 657977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 658090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptInstanceMethods, 658177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_", 658290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 658377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 658490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptClassMethods, 658577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_CLASS_METHODS_", 658690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 658777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 6588da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian // Protocol's property metadata. 6589da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::vector<ObjCPropertyDecl *> ProtocolProperties; 6590da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = PDecl->prop_begin(), 6591da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 6592da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ProtocolProperties.push_back(*I); 6593da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 6594f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ProtocolProperties, 6595da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian /* Container */0, 6596da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian "_OBJC_PROTOCOL_PROPERTIES_", 6597da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian PDecl->getNameAsString()); 6598da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 659982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // Writer out root metadata for current protocol: struct _protocol_t 66001ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 66011ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 66021ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".datacoal_nt$B\")) "; 660330650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "struct _protocol_t _OBJC_PROTOCOL_"; 660482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); 660582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n"; 660682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; // id is; is null 660782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t\""; Result += PDecl->getNameAsString(); Result += "\",\n"; 6608da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 6609da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; Result += "_OBJC_PROTOCOL_REFS_"; 6610da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 6611da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 6612da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 6613da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t0,\n"; 661482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (InstanceMethods.size() > 0) { 661582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 661682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 661764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 661882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 661982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 662082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 662182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ClassMethods.size() > 0) { 662282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 662382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 662464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 662582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 662682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 662764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 662882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptInstanceMethods.size() > 0) { 662982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_"; 663082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 663164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 663282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 663382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 663464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 663582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptClassMethods.size() > 0) { 663682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_CLASS_METHODS_"; 663782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 663864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 663964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 664082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 664182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 664282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ProtocolProperties.size() > 0) { 664382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct _prop_list_t *)&_OBJC_PROTOCOL_PROPERTIES_"; 664482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 664564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 664664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 664782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 664864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 664982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t"; Result += "sizeof(_protocol_t)"; Result += ",\n"; 665082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 665182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 6652e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (AllMethods.size() > 0) { 6653e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t(const char **)&"; Result += "_OBJC_PROTOCOL_METHOD_TYPES_"; 6654e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += PDecl->getNameAsString(); 6655e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 6656e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 6657e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else 6658e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t0\n};\n"; 665910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian 666010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // Use this protocol meta-data to build protocol list table in section 666110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // .objc_protolist$B 666210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // Unspecified visibility means 'private extern'. 666310cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian if (LangOpts.MicrosoftExt) 666410cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "__declspec(allocate(\".objc_protolist$B\")) "; 666510cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "struct _protocol_t *"; 666610cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "_OBJC_LABEL_PROTOCOL_$_"; Result += PDecl->getNameAsString(); 666710cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += " = &_OBJC_PROTOCOL_"; Result += PDecl->getNameAsString(); 666810cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += ";\n"; 666982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 667064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this protocol as having been generated. 667164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl())) 667264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("protocol already synthesized"); 667364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 667464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 667564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 667664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolListMetaData( 667764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols, 667864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, 667964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 668064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Protocols.empty()) return; 668164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 668264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i != Protocols.size(); i++) 6683da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(Protocols[i], Result); 668464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 668564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output the top lovel protocol meta-data for the class. 668664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_protocol_list { 668764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *next; 668864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int protocol_count; 668964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol *class_protocols[]; 669064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 669164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 66921ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 66931ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 66941ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".cat_cls_meth$B\")) "; 66951ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct {\n"; 669664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *next;\n"; 669764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint protocol_count;\n"; 669864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol *class_protocols["; 669964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 670064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 670164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 670264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_PROTOCOLS_"; 670364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 670464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 670564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t0, "; 670664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 670764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 670864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 670964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{&_OBJC_PROTOCOL_"; 671064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[0]->getNameAsString(); 671164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " \n"; 671264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 671364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 1; i != Protocols.size(); i++) { 671464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,&_OBJC_PROTOCOL_"; 671564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[i]->getNameAsString(); 671664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 671764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 671864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 671964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 672064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 67216ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// hasObjCExceptionAttribute - Return true if this class or any super 67226ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// class has the __objc_exception__ attribute. 67236ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// FIXME. Move this to ASTContext.cpp as it is also used for IRGen. 67246ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianstatic bool hasObjCExceptionAttribute(ASTContext &Context, 67256ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian const ObjCInterfaceDecl *OID) { 67266ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (OID->hasAttr<ObjCExceptionAttr>()) 67276ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return true; 67286ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (const ObjCInterfaceDecl *Super = OID->getSuperClass()) 67296ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return hasObjCExceptionAttribute(Context, Super); 67306ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return false; 67316ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian} 6732f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 673364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 673464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 673564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 673664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 673764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicitly declared @interface's are already synthesized. 6738ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 6739ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian assert(false && 6740ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 67418f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian 6742de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian WriteModernMetadataDeclarations(Context, Result); 6743ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 6744ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 6745ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6746ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVD; IVD = IVD->getNextIvar()) { 6747ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian // Ignore unnamed bit-fields. 6748ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (!IVD->getDeclName()) 6749ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian continue; 6750ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVars.push_back(IVD); 675164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 675264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6753ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_initializer(*this, Context, Result, IVars, 6754f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_$_INSTANCE_VARIABLES_", 67557cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian CDecl); 675690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 675790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 675890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 675990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 676090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 676190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // If any of our property implementations have associated getters or 676290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // setters, produce metadata for them as well. 676390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 676490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PropEnd = IDecl->propimpl_end(); 676590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Prop != PropEnd; ++Prop) { 676690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 676790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 676890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 676990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 677090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 677190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!PD) 677290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 677390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 677490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Getter->isDefined()) 677590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Getter); 677690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (PD->isReadOnly()) 677790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 677890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 677990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Setter->isDefined()) 678090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Setter); 678190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 678290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 678390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 678490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_INSTANCE_METHODS_", 678590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 678690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 678790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 678890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 678990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 679090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 679190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_CLASS_METHODS_", 679290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 67930a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 67940a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocols referenced in class declaration? 67950a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocol's super protocol list 67960a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 67970a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols = CDecl->getReferencedProtocols(); 67980a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), 67990a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian E = Protocols.end(); 68000a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian I != E; ++I) { 68010a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols.push_back(*I); 68020a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 68030a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 68040a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 68050a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian } 68060a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 68070a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian Write_protocol_list_initializer(Context, Result, 68080a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols, 68090a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian "_OBJC_CLASS_PROTOCOLS_$_", 68100a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian IDecl->getNameAsString()); 6811f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6812f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Protocol's property metadata. 6813f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 6814f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 6815f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 6816f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties.push_back(*I); 6817f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6818f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 68192df089d4d8d47c3d0d43325d5bb69ec49147f81fFariborz Jahanian /* Container */IDecl, 6820eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian "_OBJC_$_PROP_LIST_", 6821f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 682290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 6823f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 68246ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // Data for initializing _class_ro_t metaclass meta-data 68256ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian uint32_t flags = CLS_META; 68266ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceSize; 68276ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceStart; 68286ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 68296ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 68306ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool classIsHidden = CDecl->getVisibility() == HiddenVisibility; 68316ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 68326ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 68336ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 68346ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!CDecl->getSuperClass()) 68356ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // class is root 68366ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_ROOT; 68376ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize = "sizeof(struct _class_t)"; 68386ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart = InstanceSize; 68396ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 68406ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart, InstanceSize, 68416ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian ClassMethods, 68426ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 68436ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 68446ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 68456ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian "_OBJC_METACLASS_RO_$_", 68466ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CDecl->getNameAsString()); 68476ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 68486ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6849f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Data for initializing _class_ro_t meta-data 68506ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags = CLS; 68516ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 68526ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 68536ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 68546ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (hasObjCExceptionAttribute(*Context, CDecl)) 68556ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_EXCEPTION; 68566ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6857f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!CDecl->getSuperClass()) 6858f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // class is root 6859f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian flags |= CLS_ROOT; 6860f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 68616ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize.clear(); 68626ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart.clear(); 6863f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.count(CDecl)) { 6864f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "0"; 6865f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = "0"; 6866f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6867f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else { 6868f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "sizeof(struct "; 6869f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += CDecl->getNameAsString(); 6870f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += "_IMPL)"; 6871f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6872f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6873f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (IVD) { 6874acee1c9dbe180c6493d1bcda6a0a7ee4018ed7b1Fariborz Jahanian RewriteIvarOffsetComputation(IVD, InstanceStart); 6875f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6876f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6877f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = InstanceSize; 6878f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6879f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 6880f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart, InstanceSize, 6881f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceMethods, 6882f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian RefedProtocols, 6883f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian IVars, 6884f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties, 6885f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_CLASS_RO_$_", 6886f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 68873f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 68883f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 68893f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_METACLASS_$_", 68903f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/true); 68913f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 68923f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 68933f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_CLASS_$_", 68943f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/false); 689588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 689688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (ImplementationIsNonLazy(IDecl)) 689788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian DefinedNonLazyClasses.push_back(CDecl); 68983f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 689964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 690064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6901e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanianvoid RewriteModernObjC::RewriteClassSetupInitHook(std::string &Result) { 6902e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian int ClsDefCount = ClassImplementation.size(); 6903e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian if (!ClsDefCount) 6904e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian return; 6905e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "#pragma section(\".objc_inithooks$B\", long, read, write)\n"; 6906e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "__declspec(allocate(\".objc_inithooks$B\")) "; 6907e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "static void *OBJC_CLASS_SETUP[] = {\n"; 6908e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 6909e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian ObjCImplementationDecl *IDecl = ClassImplementation[i]; 6910e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 6911e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "\t(void *)&OBJC_CLASS_SETUP_$_"; 6912e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += CDecl->getName(); Result += ",\n"; 6913e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian } 6914e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "};\n"; 6915e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian} 6916e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian 691764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) { 691864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 691964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 692064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 692164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented class, write out all its meta data. 692264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 692364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCClassMetaData(ClassImplementation[i], Result); 692464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6925e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian RewriteClassSetupInitHook(Result); 6926e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian 692764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented category, write out all its meta data. 692864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 692964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 693064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6931e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian RewriteCategorySetupInitHook(Result); 6932e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian 6933df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian if (ClsDefCount > 0) { 69341ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 69351ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".objc_classlist$B\")) "; 6936df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "static struct _class_t *L_OBJC_LABEL_CLASS_$ ["; 6937df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += llvm::utostr(ClsDefCount); Result += "]"; 6938df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += 6939df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_classlist," 6940df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian "regular,no_dead_strip\")))= {\n"; 6941df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 6942df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "\t&OBJC_CLASS_$_"; 6943df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ClassImplementation[i]->getNameAsString(); 6944df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ",\n"; 694564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 6946df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "};\n"; 694788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 694888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (!DefinedNonLazyClasses.empty()) { 694988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (LangOpts.MicrosoftExt) 695088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "__declspec(allocate(\".objc_nlclslist$B\")) \n"; 695188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "static struct _class_t *_OBJC_LABEL_NONLAZY_CLASS_$[] = {\n\t"; 695288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian for (unsigned i = 0, e = DefinedNonLazyClasses.size(); i < e; i++) { 695388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "\t&OBJC_CLASS_$_"; Result += DefinedNonLazyClasses[i]->getNameAsString(); 695488f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += ",\n"; 695588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 695688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "};\n"; 695788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 695864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69596118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 69606118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (CatDefCount > 0) { 69611ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 69621ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".objc_catlist$B\")) "; 69636118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "static struct _category_t *L_OBJC_LABEL_CATEGORY_$ ["; 69646118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += llvm::utostr(CatDefCount); Result += "]"; 69656118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += 69666118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_catlist," 69676118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "regular,no_dead_strip\")))= {\n"; 69686118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 69696118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t&_OBJC_$_CATEGORY_"; 69706118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += 69716118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian CategoryImplementation[i]->getClassInterface()->getNameAsString(); 69726118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_$_"; 69736118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += CategoryImplementation[i]->getNameAsString(); 69746118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 69756118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 69766118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "};\n"; 69776118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 697888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 697988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (!DefinedNonLazyCategories.empty()) { 698088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (LangOpts.MicrosoftExt) 698188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "__declspec(allocate(\".objc_nlcatlist$B\")) \n"; 698288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "static struct _category_t *_OBJC_LABEL_NONLAZY_CATEGORY_$[] = {\n\t"; 698388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian for (unsigned i = 0, e = DefinedNonLazyCategories.size(); i < e; i++) { 698488f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "\t&_OBJC_$_CATEGORY_"; 698588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += 698688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian DefinedNonLazyCategories[i]->getClassInterface()->getNameAsString(); 698788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "_$_"; 698888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += DefinedNonLazyCategories[i]->getNameAsString(); 698988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += ",\n"; 699088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 699188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "};\n"; 699288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 699364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 699464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 699510cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanianvoid RewriteModernObjC::WriteImageInfo(std::string &Result) { 699610cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian if (LangOpts.MicrosoftExt) 699710cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "__declspec(allocate(\".objc_imageinfo$B\")) \n"; 699810cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian 699910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "static struct IMAGE_INFO { unsigned version; unsigned flag; } "; 700010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // version 0, ObjCABI is 2 700130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "_OBJC_IMAGE_INFO = { 0, 2 };\n"; 700210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian} 700310cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian 700464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 700564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// implementation. 700664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 700764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 7008de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian WriteModernMetadataDeclarations(Context, Result); 700964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 701064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find category declaration for this implementation. 70116118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ObjCCategoryDecl *CDecl=0; 701264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CDecl = ClassDecl->getCategoryList(); CDecl; 701364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CDecl = CDecl->getNextClassCategory()) 701464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 701564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 701664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 701764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FullCategoryName = ClassDecl->getNameAsString(); 70186118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName += "_$_"; 70196118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName += CDecl->getNameAsString(); 702064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 702164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's instance methods if needed 702264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 702364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 702464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 702564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If any of our property implementations have associated getters or 702664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // setters, produce metadata for them as well. 702764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 702864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropEnd = IDecl->propimpl_end(); 702964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Prop != PropEnd; ++Prop) { 703064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 703164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 703264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 703364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 703464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 703564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD) 703664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 703764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 703864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Getter); 703964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly()) 704064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 704164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 704264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Setter); 704364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 704464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70456118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 70466118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_CATEGORY_INSTANCE_METHODS_", 70476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName, true); 704864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70496118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 70506118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 705164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70526118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 70536118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_CATEGORY_CLASS_METHODS_", 70546118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName, true); 705564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70566118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocols referenced in class declaration? 70576118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocol's super protocol list 70586118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 7059a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis for (ObjCInterfaceDecl::protocol_iterator I = CDecl->protocol_begin(), 7060a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis E = CDecl->protocol_end(); 7061a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis 7062a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis I != E; ++I) { 70636118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols.push_back(*I); 70646118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Must write out all protocol definitions in current qualifier list, 70656118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // and in their nested qualifiers before writing out current definition. 70666118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 706764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 706864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70696118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_protocol_list_initializer(Context, Result, 70706118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols, 70716118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_CATEGORY_PROTOCOLS_$_", 70726118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName); 70736118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 70746118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocol's property metadata. 70756118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 70766118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 70776118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 70786118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassProperties.push_back(*I); 70796118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 70806118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 70816118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian /* Container */0, 70826118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_PROP_LIST_", 70836118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName); 70846118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 70856118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_category_t(*this, Context, Result, 7086e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian CDecl, 708788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian ClassDecl, 70886118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian InstanceMethods, 70896118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassMethods, 70906118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols, 70916118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassProperties); 70926118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 709388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian // Determine if this category is also "non-lazy". 709488f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (ImplementationIsNonLazy(IDecl)) 709588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian DefinedNonLazyCategories.push_back(CDecl); 7096e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian 7097e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian} 7098e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian 7099e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanianvoid RewriteModernObjC::RewriteCategorySetupInitHook(std::string &Result) { 7100e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian int CatDefCount = CategoryImplementation.size(); 7101e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian if (!CatDefCount) 7102e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian return; 7103e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "#pragma section(\".objc_inithooks$B\", long, read, write)\n"; 7104e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "__declspec(allocate(\".objc_inithooks$B\")) "; 7105e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "static void *OBJC_CATEGORY_SETUP[] = {\n"; 7106e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 7107e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian ObjCCategoryImplDecl *IDecl = CategoryImplementation[i]; 7108e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian ObjCCategoryDecl *CatDecl= IDecl->getCategoryDecl(); 7109e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 7110e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "\t(void *)&OBJC_CATEGORY_SETUP_$_"; 7111e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += ClassDecl->getName(); 7112e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "_$_"; 7113e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += CatDecl->getName(); 7114e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += ",\n"; 7115e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian } 7116e0335786c17a6ca45966f66094146e9d8ba2d54aFariborz Jahanian Result += "};\n"; 711764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 711864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 711964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 712064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// class methods. 712164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahaniantemplate<typename MethodIterator> 712264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 712364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 712464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 712564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 712664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 712764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 712864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MethodBegin == MethodEnd) return; 712964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 713064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_impl_method) { 713164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_method { 713264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SEL _cmd; 713364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *method_types; 713464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void *_imp; 713564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 713664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 713764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 713864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tSEL _cmd;\n"; 713964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *method_types;\n"; 714064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid *_imp;\n"; 714164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 714264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 714364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = true; 714464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 714564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 714664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's methods if needed 714764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 714864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct { 714964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *next_method; 715064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int method_count; 715164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method method_list[]; 715264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 715364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 715464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 71551ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 71561ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) { 71571ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (IsInstanceMethod) 71581ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".inst_meth$B\")) "; 71591ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian else 71601ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".cls_meth$B\")) "; 71611ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian } 71621ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct {\n"; 716364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *next_method;\n"; 716464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint method_count;\n"; 716564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method method_list["; 716664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumMethods); 716764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 716864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 716964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 717064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_METHODS_"; 717164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 717264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __"; 717364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "inst" : "cls"; 717464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_meth\")))= "; 717564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 717664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 717764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{{(SEL)\""; 717864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 717964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 718064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 718164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 718264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 718364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 718464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 718564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 718664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 718764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,{(SEL)\""; 718864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 718964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 719064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 719164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 719264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 719364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 719464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 719564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 719664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 719764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 719864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 719964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 720064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) { 720164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = IV->getSourceRange(); 720264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *BaseExpr = IV->getBase(); 720364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 720464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the base, but without actually doing replaces. 720564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 720664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 720764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr)); 720864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(BaseExpr); 720964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 721064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 721164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *D = IV->getDecl(); 721264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 721364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = IV; 7214e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian 721564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 721664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 721764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 721864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 721964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 722064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 722164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 722264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 722364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 722464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 7225e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian // Build name of symbol holding ivar offset. 72267cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian std::string IvarOffsetName; 72277cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(clsDeclared, D, IvarOffsetName); 72287cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian 722972c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian ReferencedIvars[clsDeclared].insert(D); 723072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 7231e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian // cast offset to "char *". 7232e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, 7233e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->getPointerType(Context->CharTy), 723464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 7235e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian BaseExpr); 7236e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 7237e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation(), &Context->Idents.get(IvarOffsetName), 7238e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->UnsignedLongTy, 0, SC_Extern, SC_None); 7239f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, 7240f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Context->UnsignedLongTy, VK_LValue, 7241e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation()); 7242e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian BinaryOperator *addExpr = 7243e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian new (Context) BinaryOperator(castExpr, DRE, BO_Add, 7244e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->getPointerType(Context->CharTy), 7245e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 724664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 7247e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), 7248e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation(), 7249e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian addExpr); 72500d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9Fariborz Jahanian QualType IvarT = D->getType(); 72518e0913d4921e36ef82ecba565fd7b2c66165dd87Fariborz Jahanian convertObjCTypeToCStyleType(IvarT); 72520d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9Fariborz Jahanian QualType castT = Context->getPointerType(IvarT); 725364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 7254e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian castExpr = NoTypeInfoCStyleCastExpr(Context, 7255e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian castT, 7256e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian CK_BitCast, 7257e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian PE); 72588e0913d4921e36ef82ecba565fd7b2c66165dd87Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(castExpr, UO_Deref, IvarT, 7259e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VK_LValue, OK_Ordinary, 7260e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation()); 7261e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian PE = new (Context) ParenExpr(OldRange.getBegin(), 7262e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian OldRange.getEnd(), 7263e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Exp); 7264e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian 7265e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Replacement = PE; 726664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 726764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 7268e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian ReplaceStmtWithRange(IV, Replacement, OldRange); 7269e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian return Replacement; 727064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 7271