RewriteModernObjC.cpp revision 3f162c398be7fd02167e7382b3a6728c7b2b672d
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); 32064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 32164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 32264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 32364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 32464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 32564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd); 32664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 32764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 32864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCastExpr(CStyleCastExpr *CE); 32964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block rewriting. 33164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 33264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block specific rewrite rules. 33464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerDecl(NamedDecl *VD); 33564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefVar(VarDecl *VD); 336f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Stmt *RewriteBlockDeclRefExpr(DeclRefExpr *VD); 33764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 33864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 33964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 34164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 34264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian void RewriteObjCFieldDecl(FieldDecl *fieldDecl, std::string &Result); 34415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 34597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian bool RewriteObjCFieldDeclType(QualType &Type, std::string &Result); 34697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 34772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian void RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl, 34872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian std::string &Result); 34972c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 35064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void Initialize(ASTContext &context); 35164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. AST transformation routines. Somtimes they end up calling 35364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewriting routines on the new ASTs. 35464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 35564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr **args, unsigned nargs, 35664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 35764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 35864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 36064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 36164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 36264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 36364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 36464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFunctionDecl(); 36564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperFunctionDecl(); 36664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendStretFunctionDecl(); 36764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 36864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 36964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetClassFunctionDecl(); 37064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetMetaClassFunctionDecl(); 37164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 37264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSelGetUidFunctionDecl(); 37364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSuperContructorFunctionDecl(); 37464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 37564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting metadata 37664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian template<typename MethodIterator> 37764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 37864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 37964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 38064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 38164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 38264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 383da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 384da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result); 38564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCProtocolListMetaData( 38664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Prots, 38764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, std::string &Result); 38864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 38964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 39064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteMetaDataIntoBuffer(std::string &Result); 39110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian virtual void WriteImageInfo(std::string &Result); 39264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 39364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 39464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 39564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting ivar 39664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 39764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 39864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV); 39964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 40264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 40364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 40464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 40564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 40664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockImpl(BlockExpr *CE, 40764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag, std::string Desc); 40864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockDescriptor(std::string DescTag, 40964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, 41064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int i, StringRef funcName, 41164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy); 41264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 41364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthesizeBlockLiterals(SourceLocation FunLocStart, 41464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName); 41564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SynthBlockInitFunctionDecl(StringRef name); 41664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 417f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs); 41864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 41964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. helper routines. 42064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getProtocolType(); 42164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void WarnAboutReturnGotoStmts(Stmt *S); 42264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 42364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 42464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 42564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 42664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsDeclStmtInForeachHeader(DeclStmt *DS); 42764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CollectBlockDeclRefInfo(BlockExpr *Exp); 42864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetBlockDeclRefExprs(Stmt *S); 42964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 430f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs, 43164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 43264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We avoid calling Type::isBlockPointerType(), since it operates on the 43464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // canonical type. We only care if the top-level type is a closure pointer. 43564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isTopLevelBlockPointerType(QualType T) { 43664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return isa<BlockPointerType>(T); 43764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 43864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 44064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 44164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// otherwise. 44264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 44364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 44464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 44564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 44664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 44764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 44864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 44964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 451164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool convertObjCTypeToCStyleType(QualType &T); 452164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 45364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool needToScanForQualifiers(QualType T); 45464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSuperStructType(); 45564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getConstantStringStructType(); 45664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 45764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 45864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 45964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 46064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 46164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCIdType(); 46264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCQualifiedClassType()) 46364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCClassType(); 46464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCObjectPointerType() && 46564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) { 46664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCObjectPointerType * OBJPT = 46764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getAsObjCInterfacePointerType()) { 46864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType(); 46964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = QualType(IFaceT, 0); 47064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(T); 47164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 47564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This predicate seems like it would be useful to add to ASTContext. 47664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isObjCType(QualType T) { 47764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 47864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 47964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 48164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 48364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OCT == Context->getCanonicalType(Context->getObjCClassType())) 48464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 48564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = OCT->getAs<PointerType>()) { 48764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 48864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PT->getPointeeType()->isObjCQualifiedIdType()) 48964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 49064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 49164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 49264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 49364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyBlockArguments(QualType QT); 49464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 49564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetExtentOfArgList(const char *Name, const char *&LParen, 49664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen); 49764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void QuoteDoublequotes(std::string &From, std::string &To) { 49964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < From.length(); i++) { 50064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (From[i] == '"') 50164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += "\\\""; 50264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 50364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += From[i]; 50464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSimpleFunctionType(QualType result, 50864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const QualType *args, 50964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs, 51064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool variadic = false) { 51164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (result == Context->getObjCInstanceType()) 51264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian result = Context->getObjCIdType(); 51364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionProtoType::ExtProtoInfo fpi; 51464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian fpi.Variadic = variadic; 51564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getFunctionType(result, args, numArgs, fpi); 51664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 51764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 51864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Helper function: create a CStyleCastExpr with trivial type source info. 51964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 52064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind Kind, Expr *E) { 52164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 52264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 52364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation()); 52464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 52588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 52688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian bool ImplementationIsNonLazy(const ObjCImplDecl *OD) const { 52788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian IdentifierInfo* II = &Context->Idents.get("load"); 52888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Selector LoadSel = Context->Selectors.getSelector(0, &II); 52988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian return OD->getClassMethod(LoadSel) != 0; 53088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 53164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 53264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 53464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 53664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl *D) { 53764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *fproto 53864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 53964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 54064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = fproto->arg_type_end(); I && (I != E); ++I) 54164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) { 54264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // All the args are checked/rewritten. Don't call twice! 54364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(D); 54464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 54564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 54664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 54764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 54864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 55064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = funcType->getAs<PointerType>(); 55164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 55264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 55364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 55464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 55564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 55664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 55764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 55864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DotPos == std::string::npos) { 55964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // no file extension 56064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 56164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 56264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 56464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C header: .h 56564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C++ header: .hh or .H; 56664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 56764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 56864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteModernObjC(std::string inFile, raw_ostream* OS, 57064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 57164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn) 57264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 57364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning(silenceMacroWarn) { 57464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IsHeader = IsHeaderFile(inFile); 57564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 57664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriting sub-expression within a macro (may not be correct)"); 577d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian // FIXME. This should be an error. But if block is not called, it is OK. And it 578d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian // may break including some headers. 579d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian GlobalBlockRewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 580d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian "rewriting block literal declared in global scope is not implemented"); 581d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian 58264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag = Diags.getCustomDiagID( 58364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine::Warning, 58464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriter doesn't support user-specified control flow semantics " 58564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "for @try/@finally (code may not execute properly)"); 58664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 58764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 58864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianASTConsumer *clang::CreateModernObjCRewriter(const std::string& InFile, 58964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian raw_ostream* OS, 59064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &Diags, 59164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const LangOptions &LOpts, 59264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning) { 59364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return new RewriteModernObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 59464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 59564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 59664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InitializeCommon(ASTContext &context) { 59764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context = &context; 59864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM = &Context->getSourceManager(); 59964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TUDecl = Context->getTranslationUnitDecl(); 60064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = 0; 60164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = 0; 60264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = 0; 60364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = 0; 60464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = 0; 60564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = 0; 60664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = 0; 60764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = 0; 60864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = 0; 60964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CFStringFunctionDecl = 0; 61064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = 0; 61164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NSStringRecord = 0; 61264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 61364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 61464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 61564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 616df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp = 0; 61764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = 0; 61864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = 0; 61964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = 0; 62064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BcLabelCount = 0; 62164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = 0; 62264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NumObjCStringLiterals = 0; 62364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 62464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 62564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 62664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = false; 62764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 62864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the ID and start/end of the main file. 62964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileID = SM->getMainFileID(); 63064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 63164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileStart = MainBuf->getBufferStart(); 63264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileEnd = MainBuf->getBufferEnd(); 63364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6344e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOpts()); 63564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 63664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 63764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 63864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Top Level Driver Code 63964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 64064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTopLevelSingleDecl(Decl *D) { 64264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 64364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 64464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Two cases: either the decl could be in the main file, or it could be in a 64664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #included file. If the former, rewrite it now. If the later, check to see 64764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // if we rewrote the #include/#import. 64864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = D->getLocation(); 64964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = SM->getExpansionLoc(Loc); 65064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If this is for a builtin, ignore it. 65264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid()) return; 65364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Look for built-in declarations that we need to refer during the rewrite. 65564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 65664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionDecl(FD); 65764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 65864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <Foundation/NSString.h> 65964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FVD->getName() == "_NSConstantStringClassReference") { 66064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = FVD; 66164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 66264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 66364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 66464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCategoryDecl(CD); 66564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 66664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isThisDeclarationADefinition()) 66764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProtocolDecl(PD); 66864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 66964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Recurse into linkage specifications 67064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclContext::decl_iterator DI = LSD->decls_begin(), 67164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DIEnd = LSD->decls_end(); 67264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DIEnd; ) { 67364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) { 67464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!IFace->isThisDeclarationADefinition()) { 67564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 67664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = IFace->getLocStart(); 67764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 67864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceDecl>(*DI) && 67964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() && 68064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 68164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 68264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 68364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 68464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 68564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 68664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 68764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(DG); 68864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 68964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 69264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) { 69364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 69464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 69564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = Proto->getLocStart(); 69664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 69764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCProtocolDecl>(*DI) && 69864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() && 69964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 70064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 70164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 70264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 70364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 70564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 70664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(DG); 70764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 70864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 70964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 71164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*DI); 71264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 71364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we have a decl in the main file, see if we should rewrite it. 71664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->isFromMainFile(Loc)) 71764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return HandleDeclInMainFile(D); 71864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 71964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 72064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 72164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Syntactic (non-AST) Rewriting Code 72264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 72364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 72464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInclude() { 72564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 72664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef MainBuf = SM->getBufferData(MainFileID); 72764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufStart = MainBuf.begin(); 72864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufEnd = MainBuf.end(); 72964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian size_t ImportLen = strlen("import"); 73064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 73164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Loop over the whole file, looking for includes. 73264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 73364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*BufPtr == '#') { 73464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 73564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 73664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 73764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 73864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 73964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 74064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace import with include 74164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation ImportLoc = 74264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart.getLocWithOffset(BufPtr-MainBufStart); 74364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(ImportLoc, ImportLen, "include"); 74464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BufPtr += ImportLen; 74564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 74664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 74764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 74864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 74964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 75064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 75164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 75264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 75364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "((struct "; 75464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ClassDecl->getIdentifier()->getName(); 75564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_IMPL *)self)->"; 75664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += OID->getName(); 75764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 75864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 75964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 76064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 76164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 76264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID) { 76364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcGetPropertyDefined = false; 76464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcSetPropertyDefined = false; 76564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = PID->getLocStart(); 76664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, "// "); 76764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 76864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synthesize location"); 76964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 77064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 77164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = 77264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startBuf+1); 77364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 77464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 77564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // FIXME: is this correct? 77664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 77764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'getter' function. 77864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = PID->getPropertyDecl(); 77964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 78064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 78164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!OID) 78264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 78364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 78464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 78564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 78664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 78764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 78864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Getr; 78964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 79064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcGetPropertyDefined = true; 79164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 79264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 79364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 79464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 79564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 79664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 79764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "{ "; 79864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 79964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 80064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty) { 80164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 80264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "typedef "; 80364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 80464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 80564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FPRetType); 80664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += " _TYPE"; 80764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 80864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 80964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 81064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 81164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 81264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "("; 81364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 81464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) Getr += ", "; 81564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 81664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 81764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ParamStr; 81864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 81964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 82064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 82164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "..."; 82264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 82364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; 82464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 82564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "()"; 82664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 82764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ";\n"; 82864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return (_TYPE)"; 82964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 83064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Getr); 83164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ", 1)"; 83264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 83364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 83464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 83564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "; }"; 83664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 83764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 83864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 83964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 84064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 84164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 84264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'setter' function. 84364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Setr; 84464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 84564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 84664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 84764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcSetPropertyDefined = true; 84864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 84964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 85064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 85164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 85264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 85364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 85464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 85564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "{ "; 85664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to initialize the ivar. 85764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_setter() for details. 85864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty) { 85964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 86064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Setr); 86164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", (id)"; 86264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 86364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", "; 86464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 86564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0, "; 86664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 86764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1, "; 86864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 86964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1)"; 87064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 87164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0)"; 87264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 87364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 87464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 87564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 87664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 87764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "; }"; 87864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Setr); 87964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 88064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 88164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl, 88264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &typedefString) { 88364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#ifndef _REWRITER_typedef_"; 88464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 88564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 88664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#define _REWRITER_typedef_"; 88764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 88864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 88964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "typedef struct objc_object "; 89064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 891c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian // typedef struct { } _objc_exc_Classname; 892c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian typedefString += ";\ntypedef struct {} _objc_exc_"; 893c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 89464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n#endif\n"; 89564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 89664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 89764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 89864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString) { 89964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = ClassDecl->getLocStart(); 90064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 90164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiPtr = strchr(startBuf, ';'); 90264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the @class with typedefs corresponding to the classes. 90364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 90464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 90564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 90664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl(DeclGroupRef D) { 90764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 90864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 90964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(*I); 91064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == D.begin()) { 91164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Translate to typedef's that forward reference structs with the same name 91264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as the class. As a convenience, we include the original declaration 91364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as a comment. 91464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 91564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 91664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 91764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 91864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 91964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 92064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclGroupRef::iterator I = D.begin(); 92164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString); 92264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 92364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl( 92564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::SmallVector<Decl*, 8> &D) { 92664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 92764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < D.size(); i++) { 92864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]); 92964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i == 0) { 93064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 93164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 93264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 93364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 93464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 93564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 93664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString); 93764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 93864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 94064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 94164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // nothing to rewrite. 94264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Method->isImplicit()) 94364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 94464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = Method->getLocStart(); 94564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = Method->getLocEnd(); 94664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 94764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->getExpansionLineNumber(LocEnd) > 94864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM->getExpansionLineNumber(LocStart)) { 94964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "#if 0\n"); 95064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, 1, ";\n#endif\n"); 95164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 95264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "// "); 95364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 95464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 95564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProperty(ObjCPropertyDecl *prop) { 95764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 95864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Loc, 0, "// "); 96064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle properties that are declared across multiple lines. 96164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 96264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 96464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CatDecl->getLocStart(); 96564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle category headers that are declared across multiple lines. 96764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 968af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (CatDecl->getIvarLBraceLoc().isValid()) 969af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(CatDecl->getIvarLBraceLoc(), "// "); 970d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator 971d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian I = CatDecl->ivar_begin(), E = CatDecl->ivar_end(); I != E; ++I) { 972d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian ObjCIvarDecl *Ivar = (*I); 973d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian SourceLocation LocStart = Ivar->getLocStart(); 974d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian ReplaceText(LocStart, 0, "// "); 975d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 976af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (CatDecl->getIvarRBraceLoc().isValid()) 977af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(CatDecl->getIvarRBraceLoc(), "// "); 978af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian 97964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 98064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 98164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 98264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::instmeth_iterator 98464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 98564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 98664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 98764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::classmeth_iterator 98864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 98964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 99064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 99164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 99364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 99464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strlen("@end"), "/* @end */"); 99564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 99664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 99864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = PDecl->getLocStart(); 99964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(PDecl->isThisDeclarationADefinition()); 100064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle protocol headers that are declared across multiple lines. 100264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 100364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 100564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 100664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 100764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 100864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 100964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 101064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 101164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 101264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 101464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 101564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 101664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 101864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 101964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 102064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 102164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must comment out @optional/@required 102264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 102364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 102464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 102564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 102664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 102764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 102864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 102964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 103064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 103164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 103264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 103364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 103564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 103664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 103764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardProtocolDecl(DeclGroupRef D) { 103964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = (*D.begin())->getLocStart(); 104064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 104164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 104264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 104364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 104464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 104564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid 104764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG) { 104864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = DG[0]->getLocStart(); 104964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 105064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 105164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 105264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 105364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 105464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 105664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType) { 105764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 105864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id"; 105964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isFunctionPointerType() || 106064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->isBlockPointerType()) { 106164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // needs special handling, since pointer-to-functions have special 106264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // syntax (where a decaration models use). 106364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType retType = T; 106464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PointeeTy; 106564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType* PT = retType->getAs<PointerType>()) 106664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = PT->getPointeeType(); 106764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 106864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = BPT->getPointeeType(); 106964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 107064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += FPRetType->getResultType().getAsString( 107164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 107264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "(*"; 107364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 107464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 107564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += T.getAsString(Context->getPrintingPolicy()); 107664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 107764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 107964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD, 108064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &ResultStr) { 108164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 108264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 108364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\nstatic "; 108464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 108564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " "; 108664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 108764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique method name 108864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string NameStr; 108964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) 109164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_I_"; 109264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 109364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_C_"; 109464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += IDecl->getNameAsString(); 109664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 109764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCCategoryImplDecl *CID = 109964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 110064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += CID->getNameAsString(); 110164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 110264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 110364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Append selector names, replacing ':' with '_' 110464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 110564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string selString = OMD->getSelector().getAsString(); 110664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int len = selString.size(); 110764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < len; i++) 110864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (selString[i] == ':') 110964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selString[i] = '_'; 111064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += selString; 111164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember this name for metadata emission 111364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 111464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += NameStr; 111564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite arguments 111764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 111864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // invisible arguments 112064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) { 112164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 112264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 112364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.MicrosoftExt) { 112464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 112564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 112664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 112764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When rewriting for Microsoft, explicitly omit the structure name. 112864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 112964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " *"; 113064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 113264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCClassType().getAsString( 113364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 113464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 113564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " self, "; 113664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy()); 113764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " _cmd"; 113864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 113964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Method arguments. 114064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 114164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 114264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParmVarDecl *PDecl = *PI; 114364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", "; 114464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PDecl->getType()->isObjCQualifiedIdType()) { 114564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id "; 114664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += PDecl->getNameAsString(); 114764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 114864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = PDecl->getNameAsString(); 114964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = PDecl->getType(); 115064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 115164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 115264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 115364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 115464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl->getType().getAsStringInternal(Name, Context->getPrintingPolicy()); 115564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Name; 115664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 115764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 115864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isVariadic()) 115964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", ..."; 116064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ") "; 116164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 116264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 116364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; // close the precedence "scope" for "*". 116464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 116564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 116664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 116764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 116864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 116964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) ResultStr += ", "; 117064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 117164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 117264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ParamStr; 117364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 117464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 117564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) ResultStr += ", "; 117664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "..."; 117764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 117864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; 117964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 118064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "()"; 118164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 118264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 118364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 118464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementationDecl(Decl *OID) { 118564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 118664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 118764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1188d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian if (IMD) { 1189d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian InsertText(IMD->getLocStart(), "// "); 1190af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (IMD->getIvarLBraceLoc().isValid()) 1191af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(IMD->getIvarLBraceLoc(), "// "); 1192af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator 1193af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian I = IMD->ivar_begin(), E = IMD->ivar_end(); I != E; ++I) { 1194af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian ObjCIvarDecl *Ivar = (*I); 1195af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian SourceLocation LocStart = Ivar->getLocStart(); 1196af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 1197d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 1198af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (IMD->getIvarRBraceLoc().isValid()) 1199af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(IMD->getIvarRBraceLoc(), "// "); 1200d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 1201d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian else 1202d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian InsertText(CID->getLocStart(), "// "); 120364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 120464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::instmeth_iterator 120564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 120664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 120764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 120864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 120964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 121064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 121164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 121264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 121364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 121464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 121564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 121664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 121764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 121964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::classmeth_iterator 122064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 122164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 122264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 122364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 122464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 122564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 122664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 122764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 122864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 122964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 123064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 123164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 123264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 123364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::propimpl_iterator 123464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 123564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 123664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 123764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewritePropertyImplDecl(*I, IMD, CID); 123864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 123964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 124064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 124164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 124264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 124364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 12448f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Do not synthesize more than once. 12458f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (ObjCSynthesizedStructs.count(ClassDecl)) 12468f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian return; 12478f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Make sure super class's are written before current class is written. 12488f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *SuperClass = ClassDecl->getSuperClass(); 12498f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian while (SuperClass) { 12508f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteInterfaceDecl(SuperClass); 12518f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian SuperClass = SuperClass->getSuperClass(); 12528f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 125364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 1254cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian if (!ObjCWrittenInterfaces.count(ClassDecl->getCanonicalDecl())) { 125564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we haven't seen a forward decl - generate a typedef. 1256c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian RewriteOneForwardClassDecl(ClassDecl, ResultStr); 125772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian RewriteIvarOffsetSymbols(ClassDecl, ResultStr); 125872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 12594339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteObjCInternalStruct(ClassDecl, ResultStr); 1260cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian // Mark this typedef as having been written into its c++ equivalent. 1261cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian ObjCWrittenInterfaces.insert(ClassDecl->getCanonicalDecl()); 12624339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian 12634339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 126464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ClassDecl->prop_end(); I != E; ++I) 12654339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteProperty(*I); 12664339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::instmeth_iterator 126764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 12684339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 12694339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 12704339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::classmeth_iterator 127164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 12724339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 12734339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 127464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12754339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian // Lastly, comment out the @end. 12764339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 12774339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian "/* @end */"); 12784339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian } 127964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 128064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 128164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) { 128264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 128364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 128464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 128564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 128664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 128764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr( 128864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PseudoOp->getNumSemanticExprs() - 1)); 128964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 129064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 129164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 129264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base, *RHS; 129364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 129464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 129564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 129664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 129764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = 0; 129864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 129964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 130064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 130164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 130264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 130364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 130464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the RHS. 130564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<BinaryOperator>(PseudoOp->getSyntacticForm())->getRHS(); 130664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<OpaqueValueExpr>(RHS)->getSourceExpr(); 130764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(RHS)); 130864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 130964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // TODO: avoid this copy. 131164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 131264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelectorLocs(SelLocs); 131364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 131564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 131664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 131764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 131864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 131964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 132064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 132164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 132264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 132364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 132464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 132564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 132664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 132764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 132864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 132964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 133064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 133164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 133264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 133364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 133464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 133564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 133664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 133764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 133864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 133964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 134064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 134164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 134264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 134364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 134464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 134564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 134664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 134764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 134864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 134964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 135064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 135164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 135264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 135364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 135464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 135564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 135664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 135764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 135864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 136064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 136164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 136264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 136364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 136464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) { 136564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 136664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 136764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 136864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 136964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 137064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit()); 137164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 137264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 137364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 137464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base = 0; 137564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 137664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 137764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 137864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 137964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 138064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 138164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 138264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 138364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 138464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 138564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 138664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Intentionally empty. 138764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 138864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 1> Args; 138964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 139064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 139164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 139264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 139364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 139464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 139564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 139664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 139764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 139864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 139964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 140064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 140164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 140264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 140364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 140464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 140664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 140764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 140864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 140964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 141064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 141164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 141264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 141364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 141464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 141564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 141664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 141764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 141864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 141964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 142064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 142164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 142264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 142364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 142464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 142564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 142664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 142764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 142864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 142964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 143064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 143164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 143264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 143364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 143464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 143664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 143764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 143864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 143964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 144064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthCountByEnumWithState - To print: 144164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ((unsigned int (*) 144264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 144364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (void *)objc_msgSend)((id)l_collection, 144464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// sel_registerName( 144564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// "countByEnumeratingWithState:objects:count:"), 144664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// &enumState, 144764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id *)__rw_items, (unsigned int)16) 144864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 144964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthCountByEnumWithState(std::string &buf) { 145064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 145164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id *, unsigned int))(void *)objc_msgSend)"; 145264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 145364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((id)l_collection,\n\t\t"; 145464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 145564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 145664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "&enumState, " 145764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "(id *)__rw_items, (unsigned int)16)"; 145864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 145964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 146064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 146164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to exit to its outer synthesized loop. 146264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 146364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBreakStmt(BreakStmt *S) { 146464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 146564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 146664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace break with goto __break_label 146764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 146864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 146964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 147064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __break_label_"; 147164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 147264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("break"), buf); 147364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 147464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 147564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 147664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 147764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 147864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to continue with its inner synthesized loop. 147964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 148064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteContinueStmt(ContinueStmt *S) { 148164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 148264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 148364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace continue with goto __continue_label 148464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 148564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 148664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 148764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __continue_label_"; 148864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 148964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("continue"), buf); 149064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 149164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 149264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 149364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 149464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 149564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It rewrites: 149664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// for ( type elem in collection) { stmts; } 149764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 149864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// Into: 149964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// { 150064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// type elem; 150164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 150264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id __rw_items[16]; 150364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id l_collection = (id)collection; 150464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 150564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]; 150664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (limit) { 150764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 150864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 150964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long counter = 0; 151064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 151164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (startMutations != *enumState.mutationsPtr) 151264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_enumerationMutation(l_collection); 151364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 151464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// stmts; 151564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __continue_label: ; 151664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (counter < limit); 151764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 151864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]); 151964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 152064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __break_label: ; 152164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 152264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// else 152364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 152464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 152564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 152664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 152764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd) { 152864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 152964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 153064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 153164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!ObjCBcLabelNo.empty() && 153264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 153364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 153464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 153564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 153664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef elementName; 153764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string elementTypeAsString; 153864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 153964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "\n{\n\t"; 154064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 154164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // type elem; 154264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 154364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElementType = cast<ValueDecl>(D)->getType(); 154464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ElementType->isObjCQualifiedIdType() || 154564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ElementType->isObjCQualifiedInterfaceType()) 154664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 154764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 154864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 154964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy()); 155064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 155164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " "; 155264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = D->getName(); 155364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 155464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 155564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 155664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 155764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 155864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = DR->getDecl()->getName(); 155964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 156064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getType()->isObjCQualifiedIdType() || 156164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCQualifiedInterfaceType()) 156264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 156364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 156464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 156564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy()); 156664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 156764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 156864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 156964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 157064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id __rw_items[16]; 157164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id __rw_items[16];\n\t"; 157264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id l_collection = (id) 157364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id l_collection = (id)"; 157464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find start location of 'collection' the hard way! 157564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startCollectionBuf = startBuf; 157664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 157764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 157864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; // skip '(' 157964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // find 'in' and skip it. 158064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startCollectionBuf != ' ' || 158164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 158264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 158364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 158464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; 158564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; 158664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 158764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace: "for (type element in" with string constructed thus far. 158864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 158964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 159064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 159164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 159264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf); 159364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 159464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 159564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 159664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // objects:__rw_items count:16]; 159764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // which is synthesized into: 159864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned int limit = 159964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ((unsigned int (*) 160064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 160164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (void *)objc_msgSend)((id)l_collection, 160264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // sel_registerName( 160364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // "countByEnumeratingWithState:objects:count:"), 160464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct __objcFastEnumerationState *)&state, 160564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id *)__rw_items, (unsigned int)16); 160664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 160764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 160864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 160964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (limit) { 161064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 161164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 161264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long counter = 0; 161364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 161464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (startMutations != *enumState.mutationsPtr) 161564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objc_enumerationMutation(l_collection); 161664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 161764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (limit) {\n\t"; 161864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 161964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t"; 162064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 162164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t\t"; 162264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 162364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 162464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 162564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = ("; 162664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 162764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 162864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 162964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lparenLoc, 1, buf); 163064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 163164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __continue_label: ; 163264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (counter < limit); 163364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 163464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objects:__rw_items count:16]); 163564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 163664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __break_label: ; 163764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 163864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// else 163964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 164064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 164164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// 164264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 164364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__continue_label_"; 164464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 164564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;"; 164664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 164764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 164864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (limit = "; 164964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 165064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ");\n\t"; 165164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 165264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 165364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 165464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 165564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__break_label_"; 165664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 165764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;\n\t"; 165864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n\t"; 165964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else\n\t\t"; 166064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 166164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 166264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 166364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 166464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 166564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 166664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert all these *after* the statement body. 166764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 166864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<CompoundStmt>(S->getBody())) { 166964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1); 167064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 167164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 167264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Need to treat single statements specially. For example: 167364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 167464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) if (stuff()) break; 167564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) xxxyy; 167664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 167764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * The following code simply scans ahead to the semi to find the actual end. 167864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 167964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *stmtBuf = SM->getCharacterData(OrigEnd); 168064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(stmtBuf, ';'); 168164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(semiBuf && "Can't find ';'"); 168264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1); 168364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 168464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 168564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 168664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.pop_back(); 168764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 168864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 168964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1690542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanianstatic void Write_RethrowObject(std::string &buf) { 1691542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "{ struct _FIN { _FIN(id reth) : rethrow(reth) {}\n"; 1692542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "\t~_FIN() { if (rethrow) objc_exception_throw(rethrow); }\n"; 1693542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "\tid rethrow;\n"; 1694542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "\t} _fin_force_rethow(_rethrow);"; 1695542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian} 1696542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 169764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCSynchronizedStmt - 169864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 169964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// into: 170064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_sync_enter(expr); 170164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 170264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 170364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 170464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 170564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 170664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 170764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 170864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 170964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 171064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 171122e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf = "{ id _rethrow = 0; id _sync_obj = "; 1712542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 171364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lparenBuf = startBuf; 171464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*lparenBuf != '(') lparenBuf++; 171564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 171622e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian 171722e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf = "; objc_sync_enter(_sync_obj);\n"; 171822e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "try {\n\tstruct _SYNC_EXIT { _SYNC_EXIT(id arg) : sync_exit(arg) {}"; 171922e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "\n\t~_SYNC_EXIT() {objc_sync_exit(sync_exit);}"; 172022e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "\n\tid sync_exit;"; 172122e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian buf += "\n\t} _sync_exit(_sync_obj);\n"; 172222e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian 172322e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 172422e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // the sync expression is typically a message expression that's already 172522e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // been rewritten! (which implies the SourceLocation's are invalid). 172622e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian SourceLocation RParenExprLoc = S->getSynchBody()->getLocStart(); 172722e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian const char *RParenExprLocBuf = SM->getCharacterData(RParenExprLoc); 172822e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian while (*RParenExprLocBuf != ')') RParenExprLocBuf--; 172922e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian RParenExprLoc = startLoc.getLocWithOffset(RParenExprLocBuf-startBuf); 173022e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian 173122e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian SourceLocation LBranceLoc = S->getSynchBody()->getLocStart(); 173222e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian const char *LBraceLocBuf = SM->getCharacterData(LBranceLoc); 173322e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian assert (*LBraceLocBuf == '{'); 173422e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian ReplaceText(RParenExprLoc, (LBraceLocBuf - SM->getCharacterData(RParenExprLoc) + 1), buf); 1735542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 1736b655bf06d99bbdb58de5d012642b87cabddabd83Fariborz Jahanian SourceLocation startRBraceLoc = S->getSynchBody()->getLocEnd(); 17379ab511cde246a3a4e47b5b1c4aa2b861fcff08d5Matt Beaumont-Gay assert((*SM->getCharacterData(startRBraceLoc) == '}') && 17389ab511cde246a3a4e47b5b1c4aa2b861fcff08d5Matt Beaumont-Gay "bogus @synchronized block"); 1739542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian 1740542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf = "} catch (id e) {_rethrow = e;}\n"; 1741542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian Write_RethrowObject(buf); 174264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 1743542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian buf += "}\n"; 174464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1745b655bf06d99bbdb58de5d012642b87cabddabd83Fariborz Jahanian ReplaceText(startRBraceLoc, 1, buf); 174664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 174864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 174964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::WarnAboutReturnGotoStmts(Stmt *S) 175164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 175264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 175364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 175464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 175564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(*CI); 175664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 175864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(S->getLocStart()), 175964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag); 176064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 176164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 176264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 176364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 176464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 1765b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt(); 1766220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian bool noCatch = S->getNumCatchStmts() == 0; 1767b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian std::string buf; 1768b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian 1769b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian if (finalStmt) { 1770220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian if (noCatch) 1771220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "{ id volatile _rethrow = 0;\n"; 1772220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian else { 1773220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "{ id volatile _rethrow = 0;\ntry {\n"; 1774220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian } 1775b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian } 177664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 177764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 177864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 177964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 178064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @try location"); 1781b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian if (finalStmt) 1782b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian ReplaceText(startLoc, 1, buf); 1783b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian else 1784b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian // @try -> try 1785b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian ReplaceText(startLoc, 1, ""); 1786b122818a33348a9d1694b10e44eed9746aa492b0Fariborz Jahanian 178764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 178864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 17894c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian VarDecl *catchDecl = Catch->getCatchParamDecl(); 1790c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian 179164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = Catch->getLocStart(); 17924c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian bool AtRemoved = false; 17934c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (catchDecl) { 17944c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian QualType t = catchDecl->getType(); 17954c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (const ObjCObjectPointerType *Ptr = t->getAs<ObjCObjectPointerType>()) { 17964c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // Should be a pointer to a class. 17974c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 17984c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (IDecl) { 17994c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian std::string Result; 18004c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 18014c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian assert((*startBuf == '@') && "bogus @catch location"); 18024c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian SourceLocation rParenLoc = Catch->getRParenLoc(); 18034c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian const char *rParenBuf = SM->getCharacterData(rParenLoc); 18044c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian 18054c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // _objc_exc_Foo *_e as argument to catch. 18064c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result = "catch (_objc_exc_"; Result += IDecl->getNameAsString(); 18074c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += " *_"; Result += catchDecl->getNameAsString(); 18084c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += ")"; 18094c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ReplaceText(startLoc, rParenBuf-startBuf+1, Result); 18104c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // Foo *e = (Foo *)_e; 18114c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result.clear(); 18124c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result = "{ "; 18134c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += IDecl->getNameAsString(); 18144c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += " *"; Result += catchDecl->getNameAsString(); 18154c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += " = ("; Result += IDecl->getNameAsString(); Result += "*)"; 18164c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += "_"; Result += catchDecl->getNameAsString(); 18174c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian 18184c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian Result += "; "; 18194c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian SourceLocation lBraceLoc = Catch->getCatchBody()->getLocStart(); 18204c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ReplaceText(lBraceLoc, 1, Result); 18214c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian AtRemoved = true; 18224c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian } 18234c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian } 18244c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian } 18254c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian if (!AtRemoved) 18264c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian // @catch -> catch 18274c14881e86350c8aa12d5182d35ce07860de2325Fariborz Jahanian ReplaceText(startLoc, 1, ""); 1828c38503b4c1cda42154700016d60c6467af438a15Fariborz Jahanian 182964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 1830220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian if (finalStmt) { 1831220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf.clear(); 1832220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian if (noCatch) 1833220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "catch (id e) {_rethrow = e;}\n"; 1834220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian else 1835220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf = "}\ncatch (id e) {_rethrow = e;}\n"; 1836220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian 1837220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian SourceLocation startFinalLoc = finalStmt->getLocStart(); 1838220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian ReplaceText(startFinalLoc, 8, buf); 1839220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian Stmt *body = finalStmt->getFinallyBody(); 1840220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian SourceLocation startFinalBodyLoc = body->getLocStart(); 1841220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian buf.clear(); 1842542125f84d63864b6f7abbed61576a5dffecd097Fariborz Jahanian Write_RethrowObject(buf); 1843220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian ReplaceText(startFinalBodyLoc, 1, buf); 1844220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian 1845220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian SourceLocation endFinalBodyLoc = body->getLocEnd(); 1846220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian ReplaceText(endFinalBodyLoc, 1, "}\n}"); 184722e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 184822e2f854cb7fd53e048fcbdbee1e78108cb8d146Fariborz Jahanian WarnAboutReturnGotoStmts(S->getTryBody()); 1849220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian } 1850220419acf26033d794edef802cbb916a4d2896b4Fariborz Jahanian 185164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 185264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 185364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 185464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// This can't be done with ReplaceStmt(S, ThrowExpr), since 185564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// the throw expression is typically a message expression that's already 185664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// been rewritten! (which implies the SourceLocation's are invalid). 185764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 185864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 185964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 186064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 186164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 186264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @throw location"); 186364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 186464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 186564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* void objc_exception_throw(id) __attribute__((noreturn)); */ 186664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getThrowExpr()) 186764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw("; 186840539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian else 186940539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian buf = "throw"; 187064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 187164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // handle "@ throw" correctly. 187264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *wBuf = strchr(startBuf, 'w'); 187364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*wBuf == 'w') && "@throw: can't find 'w'"); 187464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, wBuf-startBuf+1, buf); 187564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 187664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 187764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@throw: can't find ';'"); 187864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf); 187940539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian if (S->getThrowExpr()) 188040539467ec19e6bc53d47ba650f42aa3f414a53fFariborz Jahanian ReplaceText(semiLoc, 1, ");"); 188164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 188264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 188364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 188464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 188564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a new string expression. 188664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType StrType = Context->getPointerType(Context->CharTy); 188764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StrEncoding; 188864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 188964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = StringLiteral::Create(*Context, StrEncoding, 189064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 189164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StrType, SourceLocation()); 189264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, Replacement); 189364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 189464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace this subexpr in the parent. 189564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 189664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 189764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 189864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 189964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 190064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 190164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 190264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 190364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"). 190464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 190564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 190664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 190764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 190864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 190964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 191064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 191164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size()); 191264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, SelExp); 191364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 191464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SelExp; 191564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 191664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianCallExpr *RewriteModernObjC::SynthesizeCallToFunctionDecl( 191864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 191964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 192064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 192164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = FD->getType(); 192264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 192464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = 1925f4b88a45902af1802a1cb42ba48b1c474474f228John McCall new (Context) DeclRefExpr(FD, false, msgSendType, VK_LValue, SourceLocation()); 192664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, we cast the reference to a pointer to the objc_msgSend type. 192864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType pToFunc = Context->getPointerType(msgSendType); 192964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr *ICE = 193064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 193164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE, 0, VK_RValue); 193264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 193464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Exp = 193664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) CallExpr(*Context, ICE, args, nargs, 193764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getCallResultType(*Context), 193864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, EndLoc); 193964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Exp; 194064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 194164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 194264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 194364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&startRef, const char *&endRef) { 194464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 194564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '<') 194664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startRef = startBuf; // mark the start. 194764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '>') { 194864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (startRef && *startRef == '<') { 194964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endRef = startBuf; // mark the end. 195064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 195164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 195264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 195364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 195464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 195564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 195664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 195764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 195864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 195964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 196064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int angle = 0; 196164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 196264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argRef == '<') 196364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle++; 196464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argRef == '>') 196564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle--; 196664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argRef++; 196764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 196864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 196964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 197064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::needToScanForQualifiers(QualType T) { 197264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 197364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 197464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 197564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 197664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 197764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 197864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCObjectPointerType()) { 197964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = T->getPointeeType(); 198064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 198164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 198264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isArrayType()) { 198364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 198464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return needToScanForQualifiers(ElemTy); 198564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 198664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 198764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 198864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 198964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 199064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = E->getType(); 199164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 199264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc, EndLoc; 199364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 199464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 199564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = ECE->getLParenLoc(); 199664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = ECE->getRParenLoc(); 199764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 199864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = E->getLocStart(); 199964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = E->getLocEnd(); 200064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 200164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This will defend against trying to rewrite synthesized expressions. 200264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid() || EndLoc.isInvalid()) 200364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 200464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 200564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 200664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(EndLoc); 200764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 200864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 200964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 201064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf); 201164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1); 201264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 201364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 201464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 201564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 201664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 201764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 201864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 202064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc; 202164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type; 202264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = 0; 202364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 202464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = VD->getLocation(); 202564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = VD->getType(); 202664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 202764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 202864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 202964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 203064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 203164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 203264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(funcType && "missing function type"); 203364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian proto = dyn_cast<FunctionProtoType>(funcType); 203464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 203564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 203664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = proto->getResultType(); 203764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 203864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 203964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 204064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = FD->getType(); 204164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 204264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 204364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 204464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 204564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 204664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 204764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 204864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(Loc); 204964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = endBuf; 205064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 205164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; // scan backward (from the decl location) for return type. 205264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 205364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 205464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 205564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf); 205664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1); 205764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 205864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 205964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 206064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 206164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 206264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 206364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // most likely, was a variable 206464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check arguments. 206564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 206664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startFuncBuf = startBuf; 206764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < proto->getNumArgs(); i++) { 206864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(proto->getArgType(i))) { 206964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 207064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 207164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 207264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan forward (from the decl location) for argument types. 207364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian scanToNextArgument(endBuf); 207464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 207564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 207664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 207764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = 207864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(startRef-startFuncBuf); 207964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = 208064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(endRef-startFuncBuf+1); 208164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 208264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 208364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 208464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 208564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = ++endBuf; 208664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 208764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 208864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If the function name is derived from a macro expansion, then the 208964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // argument buffer will not follow the name. Need to speak with Chris. 209064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf && *startBuf != ')' && *startBuf != ',') 209164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 209264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 209364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 209664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 209764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeOfDecl(VarDecl *ND) { 209864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = ND->getType(); 209964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 210064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 210164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 210264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 210364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 210464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 210564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypePtr = QT->getAs<Type>(); 210664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 210764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 210864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // __typeof__(a) b,c,d; 210964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy())); 211064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 211164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 211264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ND->getInit()) { 211364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 211464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += " " + Name + " = "; 211564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 211664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 211764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 211864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 211964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 212064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 212164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 212264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 212364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 212464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 212564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 212664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 212764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 212864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 212964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 213064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 213164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 213264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 213364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 213464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSelGetUidFunctionDecl() { 213564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 213664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 213764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 213864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getFuncType = 213964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 214064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 214164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 214264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 214364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidIdent, getFuncType, 0, 214464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 214564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 214664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 214764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 214864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteFunctionDecl(FunctionDecl *FD) { 214964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <objc/objc.h> 215064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getIdentifier() && 215164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getName() == "sel_registerName") { 215264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FD; 215364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 215464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 215664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 215764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 215864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 215964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 216064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 216164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strchr(argPtr, '^')) { 216264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += TypeString; 216364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 216464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 216564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 216664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 216764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 216864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 216964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 217064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 217164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 217264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerTypeVariable(std::string& Str, 217364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD) { 217464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = VD->getType(); 217564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 217664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 217764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int paren = 0; 217864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 217964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 218064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 218164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 218264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren++; 218364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 218464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 218564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 218664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren--; 218764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 218864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 218964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += '*'; 219064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (paren == 1) 219164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += VD->getNameAsString(); 219264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 219364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 219464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 219564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 219664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 219764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 219864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 219964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 220064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 220164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 220264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 220364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 220464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 220564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 220664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 220764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 220864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = proto->getResultType(); 220964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FdStr = Type.getAsString(Context->getPrintingPolicy()); 221064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += " "; 221164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += FD->getName(); 221264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += "("; 221364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 221464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 221564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ArgType = proto->getArgType(i); 221664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 221764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i+1 < numArgs) 221864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ", "; 221964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 222064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ");\n"; 222164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, FdStr); 222264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 222364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 222464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 222564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 222664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSuperContructorFunctionDecl() { 222764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperContructorFunctionDecl) 222864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 222964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 223064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 223164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 223264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 223364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 223464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 223564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 223664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 223764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 223864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 223964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 224064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 224164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 224264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 224364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 224464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 224564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 224664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFunctionDecl() { 224764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 224864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 224964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 225064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 225164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 225264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 225364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 225464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 225564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 225664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 225764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 225864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 225964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 226064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 226164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 226264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 226364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 226464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 226564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 226664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 226764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperFunctionDecl() { 226864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 226964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 227064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 227164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 227264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 227364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 227464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 227564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 227664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 227764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 227864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 227964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 228064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 228164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 228264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 228364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 228464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 228564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 228664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 228764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 228864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 228964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 229064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 229164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendStretFunctionDecl() { 229264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 229364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 229464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 229564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 229664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 229764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 229864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 229964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 230064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 230164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 230264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 230364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 230464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 230564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 230664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 230764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 230864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 230964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 231064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 231164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperStretFunctionDecl - 231264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 231364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperStretFunctionDecl() { 231464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = 231564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 231664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 231764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 231864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 231964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 232064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 232164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 232264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 232364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 232464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 232564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 232664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 232764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 232864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 232964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 233064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 233364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 233464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 233564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 233664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 233764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 233864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFpretFunctionDecl() { 233964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 234064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 234164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 234264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 234364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 234464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 234564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 234664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 234764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 234864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 234964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 235064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 235164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 235464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 235564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 235664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 235764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 235864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 235964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetClassFunctionDecl() { 236064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 236164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 236264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 236364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 236464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 236564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 236664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 236764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 236864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 236964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 237064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 237164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 237264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 237364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 237464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetSuperClassFunctionDecl() { 237564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 237664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 237764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 237864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 237964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 238064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 238164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 238264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 238364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 238464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSuperClassIdent, 238564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassType, 0, 238664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 238764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, 238864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 238964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 239064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 239164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetMetaClassFunctionDecl - id objc_getMetaClass(const char *name); 239264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetMetaClassFunctionDecl() { 239364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 239464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 239564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 239664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 239764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 239864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 239964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 240264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 240364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 240464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 240564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 240664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 240764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType strType = getConstantStringStructType(); 240864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 240964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "__NSConstantStringImpl_"; 241064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 241164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string tmpName = InFileName; 241264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned i; 241364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (i=0; i < tmpName.length(); i++) { 241464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char c = tmpName.at(i); 241564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace any non alphanumeric characters with '_'. 241664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isalpha(c) && (c < '0' || c > '9')) 241764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian tmpName[i] = '_'; 241864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 241964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += tmpName; 242064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_"; 242164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(NumObjCStringLiterals++); 242264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 242364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "static __NSConstantStringImpl " + S; 242464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 242564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "0x000007c8,"; // utf8_str 242664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The pretty printer for StringLiteral handles escape characters properly. 242764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string prettyBufS; 242864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream prettyBuf(prettyBufS); 242964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getString()->printPretty(prettyBuf, *Context, 0, 243064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 243164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += prettyBuf.str(); 243264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += ","; 243364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 243464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 243564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 243664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), &Context->Idents.get(S), 243764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strType, 0, SC_Static, SC_None); 2438f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, strType, VK_LValue, 243964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 244064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 244164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 244264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 244364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 244464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // cast to NSConstantString * 244564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 244664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_CPointerToObjCPointerCast, Unop); 244764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, cast); 244864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 244964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return cast; 245064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 245164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 245364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getSuperStructType() { 245464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SuperStructDecl) { 245564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 245664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 245764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 245864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[2]; 245964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 246064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 246164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 246264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_class *super; 246364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->getObjCClassType(); 246464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 246564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 246664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 2; ++i) { 246764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 246864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 246964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 247064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 247164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 247264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/false, 247364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 247464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 247564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 247664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->completeDefinition(); 247764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 247864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(SuperStructDecl); 247964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 248064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 248164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getConstantStringStructType() { 248264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ConstantStringDecl) { 248364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 248464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 248564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__NSConstantStringImpl")); 248664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[4]; 248764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 248864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 248964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 249064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // int flags; 249164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->IntTy; 249264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // char *str; 249364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[2] = Context->getPointerType(Context->CharTy); 249464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // long length; 249564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[3] = Context->LongTy; 249664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 249764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 249864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 4; ++i) { 249964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 250064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl, 250164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 250264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 250364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 250464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 250564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/true, 250664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 250764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 250864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->completeDefinition(); 251064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 251164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(ConstantStringDecl); 251264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 251364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 251464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 251564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc, 251664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 251764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 251864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 251964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFunctionDecl) 252064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFunctionDecl(); 252164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperFunctionDecl) 252264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperFunctionDecl(); 252364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendStretFunctionDecl) 252464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendStretFunctionDecl(); 252564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 252664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 252764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 252864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 252964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetClassFunctionDecl) 253064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetClassFunctionDecl(); 253164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetSuperClassFunctionDecl) 253264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 253364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetMetaClassFunctionDecl) 253464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetMetaClassFunctionDecl(); 253564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 253664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // default to objc_msgSend(). 253764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 253864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // May need to use objc_msgSend_stret() as well. 253964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 254064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 254164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType resultType = mDecl->getResultType(); 254264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (resultType->isRecordType()) 254364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 254464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (resultType->isRealFloatingType()) 254564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 254664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 254764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 254864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize a call to objc_msgSend(). 254964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> MsgExprs; 255064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (Exp->getReceiverKind()) { 255164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: { 255264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 255364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 255464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 255564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 255664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 255864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 256064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 256164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set the receiver to self, the first argument to all methods. 256264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 256364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 256464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 256564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2566f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, 256764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 256864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, 256964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())) 257064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 257164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 257264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 257364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 257464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 257564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 257664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 257764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 257864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 257964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 258064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 258164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 258264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 258364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 258464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 258564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 258664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 258764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 258864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 258964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 259064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 259164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 259264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 259364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 259464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 259564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 259664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( // set 'super class', using class_getSuperclass(). 259764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 259864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 259964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 260064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 260164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 260264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 260364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 260464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 260564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 260664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 260764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2608f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, superType, VK_LValue, 260964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 261064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 261164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 261264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 261364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 261464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 261564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 261664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 261764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 261864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 261964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 262064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 262164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 262264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 262364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 262464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 262564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 262664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 262764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 262864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 262964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 263064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 263164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 263264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 263364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 263464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 263564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 263664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 263764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ILE, false); 263864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super * 263964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 264064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 264164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 264264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 264364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 264464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 264564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 264664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 264764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 264864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: { 264964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 265064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 265164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *Class 265264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 265364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 265464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 265564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsName->getName(), 265664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 265764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 265864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 265964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 266064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 266164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 266264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(Cls); 266364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 266464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 266564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 266664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance:{ 266764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 266864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 266964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 267064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 267164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 267264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 267364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 267464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 267564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 267664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 267764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2678f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, 267964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 268064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, SourceLocation())) 268164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 268264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 268364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 268464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 268564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 268664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 268764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 268864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, argType, 268964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())); 269064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 269164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 269264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 269364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 269464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 269564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 269664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 269764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 269864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 269964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 270064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 270164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 270264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 270364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 270464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 270564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 270664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 270764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set 'super class', using class_getSuperclass(). 270864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 270964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 271064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 271164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 271264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 271364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 271464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 271564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 271664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 271764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2718f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, superType, VK_LValue, 271964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 272064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 272164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 272264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, SourceLocation()); 272364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 272464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 272564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 272664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 272764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 272864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 272964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 273064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 273164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 273264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 273364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 273464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 273564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 273664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 273764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 273864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 273964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 274064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 274164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 274264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 274364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 274464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 274564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_RValue, ILE, 274664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 274764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 274864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 274964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 275064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 275164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 275264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: { 275364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remove all type-casts because it may contain objc-style types; e.g. 275464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Foo<Proto> *. 275564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *recExpr = Exp->getInstanceReceiver(); 275664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 275764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = CE->getSubExpr(); 275864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = recExpr->getType()->isObjCObjectPointerType() 275964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : recExpr->getType()->isBlockPointerType() 276064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 276164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 276264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 276364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 276464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, recExpr); 276564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(recExpr); 276664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 276764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 276864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 276964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 277064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"), it will be the 2nd argument. 277164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 277264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 277364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 277464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 277564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 277664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 277764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 277864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size(), 277964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 278064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 278164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SelExp); 278264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 278364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now push any user supplied arguments. 278464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 278564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *userExpr = Exp->getArg(i); 278664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make all implicit casts explicit...ICE comes in handy:-) 278764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 278864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Reuse the ICE type, it is exactly what the doctor ordered. 278964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType type = ICE->getType(); 279064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(type)) 279164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type = Context->getObjCIdType(); 279264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 279364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 279464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Expr *SubExpr = ICE->IgnoreParenImpCasts(); 279564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 279664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isIntegralType(*Context) && 279764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type->isBooleanType()) { 279864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToBoolean; 279964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (type->isObjCObjectPointerType()) { 280064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isBlockPointerType()) { 280164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 280264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (SubExpr->getType()->isPointerType()) { 280364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 280464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 280564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 280664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 280764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 280864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 280964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 281064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 281164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr); 281264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 281364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 281464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 281564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getType()->isObjCQualifiedIdType()) { 281664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 281764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = CE->getSubExpr(); 281864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 281964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (userExpr->getType()->isIntegralType(*Context)) { 282064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToPointer; 282164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isBlockPointerType()) { 282264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 282364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isPointerType()) { 282464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 282564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 282664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 282764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 282864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 282964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, userExpr); 283064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 283164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 283264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(userExpr); 283364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We've transferred the ownership to MsgExprs. For now, we *don't* null 283464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // out the argument in the original expression (since we aren't deleting 283564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 283664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //Exp->setArg(i, 0); 283764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 283864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the funky cast. 283964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast; 284064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 284164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType returnType; 284264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 284364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push 'id' and 'SEL', the 2 implicit arguments. 284464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendFlavor == MsgSendSuperFunctionDecl) 284564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 284664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 284764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 284864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 284964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 285064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push any user argument types. 285164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 285264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 285364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = (*PI)->getType()->isObjCQualifiedIdType() 285464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? Context->getObjCIdType() 285564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : (*PI)->getType(); 285664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 285764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 285864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 285964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 286064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Exp->getType(); 286164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(returnType); 286264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 286364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 286464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Context->getObjCIdType(); 286564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 286664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 286764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 286864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 286964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 2870f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType, 287164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 287264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 287364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 287464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't do this cast, we get the following bizarre warning/note: 287564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: warning: function called through a non-compatible type 287664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: note: if this code is reached, the program will abort 287764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 287864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 287964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, DRE); 288064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 288164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 288264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castType = 288364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 288464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't have a method decl, force a variadic cast. 288564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 288664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 288764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 288864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 288964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 289064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 289164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 289264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 289364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 289464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 289564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 289664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 289764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 289864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = CE; 289964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) { 290064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have the method which returns a struct/union. Must also generate 290164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 290264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression which dictate which one to envoke depending on size of 290364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // method's return type. 290464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 290564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 2906f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, 2907f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, msgSendType, 290864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 290964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 291064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 291164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 291264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, STDRE); 291364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 291464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 291564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 291664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 291764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 291864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 291964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 292064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 292164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 292264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 292364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT = msgSendType->getAs<FunctionType>(); 292464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 292564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 292664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 292764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 292864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 292964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build sizeof(returnType) 293064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryExprOrTypeTraitExpr *sizeofExpr = 293164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf, 293264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getTrivialTypeSourceInfo(returnType), 293364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getSizeType(), SourceLocation(), 293464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 293564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 293664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 293764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 293864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is needed to decide what to do. 293964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 294064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 294164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IntegerLiteral *limit = IntegerLiteral::Create(*Context, 294264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::APInt(IntSize, 8), 294364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, 294464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 294564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BinaryOperator *lessThanExpr = 294664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 294764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 294864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 294964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 295064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(lessThanExpr, 295164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), CE, 295264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), STCE, 295364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType, VK_RValue, OK_Ordinary); 295464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 295564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CondExpr); 295664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 295864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 295964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 296064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 296264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 296364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getLocEnd()); 296464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the actual rewrite. 296664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, ReplacingStmt); 296764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 296964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 297064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 297164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 297264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// typedef struct objc_object Protocol; 297364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getProtocolType() { 297464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ProtocolTypeDecl) { 297564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo 297664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 297764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 297864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 297964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("Protocol"), 298064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TInfo); 298164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 298264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTypeDeclType(ProtocolTypeDecl); 298364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 298464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 298664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// a synthesized/forward data reference (to the protocol's metadata). 298764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// The forward references (and metadata) are generated in 298864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteModernObjC::HandleTranslationUnit(). 298964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 299030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian std::string Name = "_OBJC_PROTOCOL_REFERENCE_$_" + 299130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Exp->getProtocol()->getNameAsString(); 299264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(Name); 299364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 299464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, getProtocolType(), 0, 299564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, SC_None); 2996f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, false, getProtocolType(), 2997f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 299864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 299964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 300064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 300164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 300264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 300364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DerefExpr); 300464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, castExpr); 300564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl()); 300664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 300764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return castExpr; 300864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 300964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 301064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::BufferContainsPPDirectives(const char *startBuf, 301264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf) { 301364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 301464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '#') { 301564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Skip whitespace. 301664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 301764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ; 301864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(startBuf, "if", strlen("if")) || 301964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifdef", strlen("ifdef")) || 302064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifndef", strlen("ifndef")) || 302164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "define", strlen("define")) || 302264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "undef", strlen("undef")) || 302364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "else", strlen("else")) || 302464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "elif", strlen("elif")) || 302564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "endif", strlen("endif")) || 302664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "pragma", strlen("pragma")) || 302764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include", strlen("include")) || 302864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "import", strlen("import")) || 302964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include_next", strlen("include_next"))) 303064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 303164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 303264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 303364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 303464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 303564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 303664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 303797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// RewriteObjCFieldDeclType - This routine rewrites a type into the buffer. 303815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian/// It handles elaborated types, as well as enum types in the process. 303997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanianbool RewriteModernObjC::RewriteObjCFieldDeclType(QualType &Type, 304097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string &Result) { 304197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (Type->isArrayType()) { 304297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(Type); 304397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return RewriteObjCFieldDeclType(ElemTy, Result); 304497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 304597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian else if (Type->isRecordType()) { 304615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RecordDecl *RD = Type->getAs<RecordType>()->getDecl(); 304715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (RD->isCompleteDefinition()) { 304815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (RD->isStruct()) 304915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tstruct "; 305015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else if (RD->isUnion()) 305115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tunion "; 305215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else 305315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian assert(false && "class not allowed as an ivar type"); 305497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 305515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += RD->getName(); 305615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (TagsDefinedInIvarDecls.count(RD)) { 305715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian // This struct is already defined. Do not write its definition again. 305897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += " "; 305997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 306015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 306115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.insert(RD); 306215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " {\n"; 306315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 306497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 306515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian FieldDecl *FD = *i; 306615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RewriteObjCFieldDecl(FD, Result); 306715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 306815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t} "; 306997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 307015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 307115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 307215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else if (Type->isEnumeralType()) { 307315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian EnumDecl *ED = Type->getAs<EnumType>()->getDecl(); 307415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (ED->isCompleteDefinition()) { 307515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tenum "; 307615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ED->getName(); 307715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (TagsDefinedInIvarDecls.count(ED)) { 307815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian // This enum is already defined. Do not write its definition again. 307997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += " "; 308097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 308115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 308215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.insert(ED); 308315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 308415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " {\n"; 308515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (EnumDecl::enumerator_iterator EC = ED->enumerator_begin(), 308615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian ECEnd = ED->enumerator_end(); EC != ECEnd; ++EC) { 308715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t"; Result += EC->getName(); Result += " = "; 308815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian llvm::APSInt Val = EC->getInitVal(); 308915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += Val.toString(10); 309015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ",\n"; 309115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 309215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t} "; 309397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 309415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 309515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 309615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 309715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t"; 309815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian convertObjCTypeToCStyleType(Type); 309997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return false; 310097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian} 310197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 310297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 310397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// RewriteObjCFieldDecl - This routine rewrites a field into the buffer. 310497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// It handles elaborated types, as well as enum types in the process. 310597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCFieldDecl(FieldDecl *fieldDecl, 310697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string &Result) { 310797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian QualType Type = fieldDecl->getType(); 310897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string Name = fieldDecl->getNameAsString(); 310915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 311097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian bool EleboratedType = RewriteObjCFieldDeclType(Type, Result); 311197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (!EleboratedType) 311297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Type.getAsStringInternal(Name, Context->getPrintingPolicy()); 311315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += Name; 311415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (fieldDecl->isBitField()) { 311515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " : "; Result += utostr(fieldDecl->getBitWidthValue(*Context)); 311615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 311797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian else if (EleboratedType && Type->isArrayType()) { 311897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian CanQualType CType = Context->getCanonicalType(Type); 311997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian while (isa<ArrayType>(CType)) { 312097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (const ConstantArrayType *CAT = Context->getAsConstantArrayType(CType)) { 312197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += "["; 312297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian llvm::APInt Dim = CAT->getSize(); 312397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += utostr(Dim.getZExtValue()); 312497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += "]"; 312597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 312697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian CType = CType->getAs<ArrayType>()->getElementType(); 312797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 312897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 312997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 313015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ";\n"; 313115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian} 313215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 313364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to 313464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// an objective-c class with ivars. 313564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 313664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 313764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 313864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl->getName() != "" && 313964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "Name missing in SynthesizeObjCInternalStruct"); 314064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3141a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 3142a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 31439a2105bc790b3d0d4d5edb77c617aeccc4187c0eFariborz Jahanian IVD; IVD = IVD->getNextIvar()) 3144a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian IVars.push_back(IVD); 31459a2105bc790b3d0d4d5edb77c617aeccc4187c0eFariborz Jahanian 314664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 314764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc(); 3148a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 314964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 315064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 3151a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 315264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 315364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3154a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian if ((!CDecl->isThisDeclarationADefinition() || IVars.size() == 0) && 315564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 315664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 315764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 315864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 315964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3160a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 316164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct "; 316264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 3163a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL {\n"; 3164a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 3165f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3166a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "\tstruct "; Result += RCDecl->getNameAsString(); 3167a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL "; Result += RCDecl->getNameAsString(); 3168a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IVARS;\n"; 3169a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian } 317015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.clear(); 317115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (unsigned i = 0, e = IVars.size(); i < e; i++) 317215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RewriteObjCFieldDecl(IVars[i], Result); 31730b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian 3174a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "};\n"; 3175a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3176a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 3177f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Mark this struct as having been generated. 3178f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.insert(CDecl)) 3179f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian llvm_unreachable("struct already synthesize- RewriteObjCInternalStruct"); 318064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 318164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 31827cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanianstatic void WriteInternalIvarName(ObjCInterfaceDecl *IDecl, 31837cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian ObjCIvarDecl *IvarDecl, std::string &Result) { 31847cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += "OBJC_IVAR_$_"; 31857cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += IDecl->getName(); 31867cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += "$"; 31877cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += IvarDecl->getName(); 31887cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian} 31897cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian 319072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian/// RewriteIvarOffsetSymbols - Rewrite ivar offset symbols of those ivars which 319172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian/// have been referenced in an ivar access expression. 319272c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl, 319372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian std::string &Result) { 319472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian // write out ivar offset symbols which have been referenced in an ivar 319572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian // access expression. 319672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::SmallPtrSet<ObjCIvarDecl *, 8> Ivars = ReferencedIvars[CDecl]; 319772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian if (Ivars.empty()) 319872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian return; 319972c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian for (llvm::SmallPtrSet<ObjCIvarDecl *, 8>::iterator i = Ivars.begin(), 320072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian e = Ivars.end(); i != e; i++) { 320172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian ObjCIvarDecl *IvarDecl = (*i); 320240a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "\n"; 32033f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 320440a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (LangOpts.MicrosoftExt) 320540a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "__declspec(allocate(\".objc_ivar$B\")) "; 320640a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (LangOpts.MicrosoftExt && 320740a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian IvarDecl->getAccessControl() != ObjCIvarDecl::Private && 320840a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian IvarDecl->getAccessControl() != ObjCIvarDecl::Package) { 320940a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian const ObjCInterfaceDecl *CDecl = IvarDecl->getContainingInterface(); 321040a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (CDecl->getImplementation()) 321140a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "__declspec(dllexport) "; 321240a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian } 32133f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "unsigned long "; 32147cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(CDecl, IvarDecl, Result); 32157cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += ";"; 321672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian } 321772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian} 321872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 321964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 322064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Meta Data Emission 322164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 322264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 322364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 322464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 322564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// and emits meta-data. 322664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 322764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementations() { 322864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 322964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 323064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 323164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite implemented methods 32328f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 32338f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCImplementationDecl *OIMP = ClassImplementation[i]; 32348f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *CDecl = OIMP->getClassInterface(); 32358f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 3236cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian assert(false && 3237cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 32388f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteImplementationDecl(OIMP); 32398f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 324064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32418c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 32428c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian ObjCCategoryImplDecl *CIMP = CategoryImplementation[i]; 32438c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian ObjCInterfaceDecl *CDecl = CIMP->getClassInterface(); 32448c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 32458c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian assert(false && 32468c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 32478c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian RewriteImplementationDecl(CIMP); 32488c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian } 324964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 325064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 325164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefString(std::string &ResultStr, 325264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Name, 325364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def) { 325464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 325564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 325664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (def) 325764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 325864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 325964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 326064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 326164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 326264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 326364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 326464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 326564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 326664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 326764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 326864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 326964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 327064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 327164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *AFT = CE->getFunctionType(); 327264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType RT = AFT->getResultType(); 327364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 327464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" + 3275df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian funcName.str() + "_block_func_" + utostr(i); 327664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 327764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDecl *BD = CE->getBlockDecl(); 327864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 327964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<FunctionNoProtoType>(AFT)) { 328064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // No user-supplied arguments. Still need to pass in a pointer to the 328164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block (to reference imported block decl refs). 328264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 328364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (BD->param_empty()) { 328464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 328564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 328664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 328764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "SynthesizeBlockFunc: No function proto"); 328864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += '('; 328964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // first add the implicit argument. 329064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += StructRef + " *__cself, "; 329164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr; 329264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::param_iterator AI = BD->param_begin(), 329364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BD->param_end(); AI != E; ++AI) { 329464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (AI != BD->param_begin()) S += ", "; 329564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParamStr = (*AI)->getNameAsString(); 329664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*AI)->getType(); 329764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 329864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 329964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 330064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 330164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ParamStr; 330264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 330364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 330464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BD->param_empty()) S += ", "; 330564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "..."; 330664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 330764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ')'; 330864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 330964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n"; 331064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 331164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create local declarations to avoid rewriting all closure decl ref exprs. 331264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // First, emit a declaration for all "by ref" decls. 331364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 331464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 331564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 331664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 331764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 331864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 331964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 332064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = TypeString + Name; 332164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 332264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 332364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Next, emit a declaration for all "by copy" declarations. 332464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 332564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 332664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 332764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 332864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 332964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedClosure)(void); 333064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 333164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 333264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherClosure)(void); 333364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherClosure = ^(void) { 333464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure(); // import and invoke the closure 333564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 333664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 333764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 333864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 333964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " = ("; 334064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 334164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ")"; 334264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 334364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 334464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 334564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 334664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 334764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 334864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 334964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 335064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + 335164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 335264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 335364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 335464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RewrittenStr = RewrittenBlockExprs[CE]; 335564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *cstr = RewrittenStr.c_str(); 335664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*cstr++ != '{') ; 335764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += cstr; 335864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\n"; 335964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 336064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 336164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 336264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 336364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 336464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 336564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 336664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static void __"; 336764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 336864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 336964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_copy_" + utostr(i); 337064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 337164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*dst, " + StructRef; 337264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 337364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 337464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 337564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 337664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_assign((void*)&dst->"; 337764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 337864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", (void*)src->"; 337964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 338064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 338164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 338264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 338364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 338464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 338564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 338664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 338764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 338864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 338964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\nstatic void __"; 339064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 339164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_dispose_" + utostr(i); 339264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 339364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 339464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 339564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 339664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 339764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_dispose((void*)src->"; 339864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 339964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 340064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 340164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 340264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 340364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 340464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 340564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 340664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 340764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 340864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 340964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 341064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 341164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Desc) { 341264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstruct " + Tag; 341364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Constructor = " " + Tag; 341464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 341564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n struct __block_impl impl;\n"; 341664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " struct " + Desc; 341764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "* Desc;\n"; 341864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 341964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "(void *fp, "; // Invoke function pointer. 342064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "struct " + Desc; // Descriptor pointer. 342164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " *desc"; 342264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 342364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 342464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 342564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 342664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 342764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 342864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 342964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 343064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 343164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 343264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedBlock)(void); 343364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 343464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 343564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherBlock)(void); 343664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherBlock = ^(void) { 343764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock(); // import and invoke the closure 343864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 343964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 344064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 344164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "struct __block_impl *"; 344264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", void *" + ArgName; 344364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 344464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 344564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 344664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 344764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->getPrintingPolicy()); 344864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->getPrintingPolicy()); 344964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 345064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 345164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + ";\n"; 345264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 345364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 345464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 345564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 345664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 345764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 345864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 345964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 346064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 346164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 346264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 346364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldName = TypeString + FieldName; 346464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgName = TypeString + ArgName; 346564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 346664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 346764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + "; // by ref\n"; 346864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 346964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 347064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0)"; 347164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by copy" arguments. 347264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool firsTime = true; 347364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 347464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 347564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 347664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 347764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 347864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 347964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 348064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 348164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 348264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 348364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 348464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 348564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 348664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 348764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by ref" arguments. 348864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 348964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 349064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 349164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 349264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 349364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 349464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 349564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 349664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 349764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 349864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 349964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 350064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " {\n"; 350164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 350264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 350364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 350464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 350564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 350664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 350764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 350864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 350964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 351064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0) {\n"; 351164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 351264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 351364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 351464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 351564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 351664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 351764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 351864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " "; 351964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "}\n"; 352064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Constructor; 352164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 352264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 352364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 352464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 352564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockDescriptor(std::string DescTag, 352664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, int i, 352764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName, 352864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy) { 352964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstatic struct " + DescTag; 353064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 353164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n unsigned long reserved;\n"; 353264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " unsigned long Block_size;\n"; 353364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 353464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*copy)(struct "; 353564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*, struct "; 353664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 353764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 353864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*dispose)(struct "; 353964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 354064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 354164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "} "; 354264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 354364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += DescTag + "_DATA = { 0, sizeof(struct "; 354464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag + ")"; 354564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 354664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 354764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 354864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 354964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 355064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 355164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 355264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 355364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 355464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName) { 355564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is used. 355664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 355764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 355864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool RewriteSC = (GlobalVarDecl && 355964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !Blocks.empty() && 356064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getStorageClass() == SC_Static && 356164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 356264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 356364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC(" void __"); 356464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 356564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "() {}"; 356664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 356764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 356864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 356964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert closures that were part of the function. 357064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 357164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 357264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 357364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block. 357464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 3575f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Exp = InnerDeclRefs[count++]; 357664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 357764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 3578f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!VD->hasAttr<BlocksAttr>()) { 3579f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockByCopyDeclsPtrSet.count(VD)) { 3580f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockByCopyDeclsPtrSet.insert(VD); 3581f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockByCopyDecls.push_back(VD); 3582f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } 3583f4b88a45902af1802a1cb42ba48b1c474474f228John McCall continue; 358464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3585f4b88a45902af1802a1cb42ba48b1c474474f228John McCall 3586f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockByRefDeclsPtrSet.count(VD)) { 358764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 358864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 358964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3590f4b88a45902af1802a1cb42ba48b1c474474f228John McCall 359164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // imported objects in the inner blocks not used in the outer 359264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 3593f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VD->getType()->isObjCObjectPointerType() || 359464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isBlockPointerType()) 359564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(VD); 359664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 359764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 359864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 359964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 360064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 360164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 360264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 360364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CI); 360464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 360564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 360664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 360764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CF); 360864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 360964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 361064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 361164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 361264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 361364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 361464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.size() > 0); 361564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, BD); 361664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 361764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 361864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 361964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 362064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 362164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 362264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 362364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 362464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 362564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 362664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // removed as result of rewriting of block literals. 362764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC; 362864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getStorageClass() == SC_Static) 362964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC = "static "; 363064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 363164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "const "; 363264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 363364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "volatile "; 363464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 363564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "restrict "; 363664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 363764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3638df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalConstructionExp) { 3639df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian // extra fancy dance for global literal expression. 3640df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 3641df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian // Always the latest block expression on the block stack. 3642df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string Tag = "__"; 3643df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += FunName; 3644df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += "_block_impl_"; 3645df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += utostr(Blocks.size()-1); 3646df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string globalBuf = "static "; 3647df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian globalBuf += Tag; globalBuf += " "; 3648df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string SStr; 364964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3650df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian llvm::raw_string_ostream constructorExprBuf(SStr); 3651df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp->printPretty(constructorExprBuf, *Context, 0, 3652df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian PrintingPolicy(LangOpts)); 3653df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian globalBuf += constructorExprBuf.str(); 3654df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian globalBuf += ";\n"; 3655df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian InsertText(FunLocStart, globalBuf); 3656df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp = 0; 3657df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian } 3658df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 365964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.clear(); 366064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.clear(); 366164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.clear(); 366264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs.clear(); 366364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 366464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 366664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 366764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FuncName = FD->getName(); 366864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 367064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 367164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 367264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 367364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD) { 367464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 367564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = IFace->getName(); 367664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 367764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Convert colons to underscores. 367864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type loc = 0; 367964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 368064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name.replace(loc, 1, "_"); 368164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 368264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 368364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 368464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 368564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //SourceLocation FunLocStart = MD->getLocStart(); 368664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 368764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 368864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 368964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 369064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 369164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 369264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetBlockDeclRefExprs(Stmt *S) { 369364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 369464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 369564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 369664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(CBE->getBody()); 369764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 369864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(*CI); 369964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 370064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 3701f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 3702f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DRE->refersToEnclosingLocal() && 3703f4b88a45902af1802a1cb42ba48b1c474474f228John McCall HasLocalVariableExternalStorage(DRE->getDecl())) { 3704f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockDeclRefs.push_back(DRE); 370564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 370664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 370764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 370864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 370964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 371064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetInnerBlockDeclRefExprs(Stmt *S, 3711f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs, 371264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 371364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 371464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 371564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 371664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 371764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 371864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 371964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 372064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 372164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 372264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 372364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 372464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 372564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 372764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 3728f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 3729f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DRE->refersToEnclosingLocal()) { 3730f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!isa<FunctionDecl>(DRE->getDecl()) && 3731f4b88a45902af1802a1cb42ba48b1c474474f228John McCall !InnerContexts.count(DRE->getDecl()->getDeclContext())) 3732f4b88a45902af1802a1cb42ba48b1c474474f228John McCall InnerBlockDeclRefs.push_back(DRE); 3733f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 3734f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (Var->isFunctionOrMethodVarDecl()) 3735f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ImportedLocalExternalDecls.insert(Var); 3736f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } 373764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 373864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 373964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 374064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 374164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3742164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// convertObjCTypeToCStyleType - This routine converts such objc types 3743164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// as qualified objects, and blocks to their closest c/c++ types that 3744164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// it can. It returns true if input type was modified. 3745164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanianbool RewriteModernObjC::convertObjCTypeToCStyleType(QualType &T) { 3746164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType oldT = T; 3747164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertBlockPointerToFunctionPointer(T); 3748164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (T->isFunctionPointerType()) { 3749164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType PointeeTy; 3750164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const PointerType* PT = T->getAs<PointerType>()) { 3751164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian PointeeTy = PT->getPointeeType(); 3752164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const FunctionType *FT = PointeeTy->getAs<FunctionType>()) { 3753164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = convertFunctionTypeOfBlocks(FT); 3754164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = Context->getPointerType(T); 3755164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3756164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3757164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3758164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 3759164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertToUnqualifiedObjCType(T); 3760164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian return T != oldT; 3761164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian} 3762164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 376364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 376464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 376564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// might be block pointers to an equivalent function type replacing 376664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// all block pointers to function pointers. 376764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 376864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 376964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 377064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 377164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 377264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Res = FT->getResultType(); 3773164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool modified = convertObjCTypeToCStyleType(Res); 377464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 377564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 377664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 377764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 377864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 377964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 3780164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (convertObjCTypeToCStyleType(t)) 3781164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian modified = true; 378264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 378364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 378464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 378564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FuncType; 3786164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (modified) 378764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 378864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else FuncType = QualType(FT, 0); 378964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FuncType; 379064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 379164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 379264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 379364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Navigate to relevant type information. 379464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *CPT = 0; 379564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 379664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 379764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = DRE->getType()->getAs<BlockPointerType>(); 379864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 379964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = MExpr->getType()->getAs<BlockPointerType>(); 380064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 380164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 380264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 380364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 380464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 380564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 380664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ConditionalOperator *CEXPR = 380764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 380864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 380964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 381064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 381164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 381264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 381364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 381464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(CONDExp, 381564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 381664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 381764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, OK_Ordinary); 381864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CondExpr; 381964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 382064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 382164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const PseudoObjectExpr *POE 382264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<PseudoObjectExpr>(BlockExp)) { 382364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = POE->getType()->castAs<BlockPointerType>(); 382464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 382564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(1 && "RewriteBlockClass: Bad type"); 382664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 382764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CPT && "RewriteBlockClass: Bad type"); 382864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 382964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "RewriteBlockClass: Bad type"); 383064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 383164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 383264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 383464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 383564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__block_impl")); 383664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 383764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 383964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 384064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 384164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push the block argument type. 384264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(PtrBlock); 384364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 384464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 384564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 384664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 384764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 384864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 384964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(t); 385064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 385164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 385264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 385364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the pointer to function cast. 385464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrToFuncCastType 385564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 385664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 385764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 385864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 385964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 386064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 386164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const_cast<Expr*>(BlockExp)); 386264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 386364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 386464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkCast); 386564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //PE->dump(); 386664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 386764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 386864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 386964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("FuncPtr"), 387064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 387164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 387264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 387364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 387464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 387564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 387664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 387764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 387864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 387964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, ME); 388064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 388164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 388264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> BlkExprs; 388364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the implicit argument. 388464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(BlkCast); 388564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the user arguments. 388664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CallExpr::arg_iterator I = Exp->arg_begin(), 388764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = Exp->arg_end(); I != E; ++I) { 388864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(*I); 388964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 389064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 389164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.size(), 389264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, 389364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 389464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CE; 389564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 389664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// We need to return the rewritten expression to handle cases where the 3898f4b88a45902af1802a1cb42ba48b1c474474f228John McCall// DeclRefExpr is embedded in another expression being rewritten. 389964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// For example: 390064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 390164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// int main() { 390264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block Foo *f; 390364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block int i; 390464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 390564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// void (^myblock)() = ^() { 3906f4b88a45902af1802a1cb42ba48b1c474474f228John McCall// [f test]; // f is a DeclRefExpr embedded in a message (which is being rewritten). 390764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// i = 77; 390864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// }; 390964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//} 3910f4b88a45902af1802a1cb42ba48b1c474474f228John McCallStmt *RewriteModernObjC::RewriteBlockDeclRefExpr(DeclRefExpr *DeclRefExp) { 391164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 391264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 3913f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ValueDecl *VD = DeclRefExp->getDecl(); 3914f4b88a45902af1802a1cb42ba48b1c474474f228John McCall bool isArrow = DeclRefExp->refersToEnclosingLocal(); 391564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 391664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 391764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 391864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__forwarding"), 391964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 392064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 392164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 392264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 392364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD, SourceLocation(), 392464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 392564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 392664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 392764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Name = VD->getName(); 392864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 392964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(Name), 393064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 393164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 393264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 393364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 393464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getType(), VK_LValue, OK_Ordinary); 393564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 393964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(), 394064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getExprLoc(), 394164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME); 394264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DeclRefExp, PE); 394364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 394464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 394564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 394664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Rewrites the imported local variable V with external storage 394764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// (static, extern, etc.) as *V 394864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 394964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 395064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 395164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 395264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 395364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return DRE; 395464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 395564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary, 395664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getLocation()); 395764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 395864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 395964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp); 396064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DRE, PE); 396164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 396264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 396364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 396464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCastExpr(CStyleCastExpr *CE) { 396564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CE->getLParenLoc(); 396664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CE->getRParenLoc(); 396764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 396864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite synthesized casts. 396964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 397064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 397164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite casts contained in macros. 397264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 397364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 397464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 397664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 397764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = CE->getType(); 397864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 397964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 398064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 398164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 398264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString = "("; 398364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 398464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += ")"; 398564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 398664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 398764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 398864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 398964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startBuf; 399064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 399164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && (argPtr < endBuf)) { 399264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 399364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 399464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 399564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart = LocStart.getLocWithOffset(argPtr-startBuf); 399664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 1, "*"); 399764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 399864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 399964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 400064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 400164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 400264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 400364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 400464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = FD->getLocation(); 400564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 0; 400664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 400764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have 1 or more arguments that have closure pointers. 400864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 400964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startArgList = strchr(startBuf, '('); 401064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 401264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 401464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 401564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf); 401664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 401764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startArgList; 401964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 402064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && parenCount) { 402164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 402264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 402364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 402464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList); 402564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, 1, "*"); 402664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 402764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 402864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 402964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 403064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 403164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount--; 403264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 403364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 403464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 403564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 403664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 403764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 403864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 403964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 404064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 404164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 404264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 404364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 404464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 404564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 404664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 404764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 404864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 404964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 405064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) 405164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) 405264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 405364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 405464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 405564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 405664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 405764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 405864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 405964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 406064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 406164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 406264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 406364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 406464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 406564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 406664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 406764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 406864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 406964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 407064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 407164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 407264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 407364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 407464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 407564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 407664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 407864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 407964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 408064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 408264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen) { 408364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = strchr(Name, '('); 408464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 408564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LParen = argPtr; // output the start. 408764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; // skip past the left paren. 408864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 1; 408964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 409064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr && parenCount) { 409164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 409264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': parenCount++; break; 409364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': parenCount--; break; 409464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: break; 409564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 409664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (parenCount) argPtr++; 409764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 409864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 409964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RParen = argPtr; // output the end 410064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 410164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 410264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 410364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 410464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerFunctionArgs(FD); 410564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 410664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 410764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle Variables and Typedefs. 410864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getLocation(); 410964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType DeclT; 411064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 411164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = VD->getType(); 411264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND)) 411364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = TDD->getUnderlyingType(); 411464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 411564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = FD->getType(); 411664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 411764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled"); 411864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 411964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 412064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 412164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan backward (from the decl location) for the end of the previous decl. 412264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 412364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; 412464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf); 412564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 412664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned OrigLength=0; 412764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // *startBuf != '^' if we are dealing with a pointer to function that 412864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // may take block argument types (which will be handled below). 412964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '^') { 413064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*', computing a negative offset. 413164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = '*'; 413264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 413364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 413464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ')') { 413664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *startBuf; 413764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 413864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 413964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 414064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 414164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 414264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 414464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 414564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*' for arguments. 414664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace id<P> with id/*<>*/ 414764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 414864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(DeclLoc); 414964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argListBegin, *argListEnd; 415064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetExtentOfArgList(startBuf, argListBegin, argListEnd); 415164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (argListBegin < argListEnd) { 415264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argListBegin == '^') 415364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += '*'; 415464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argListBegin == '<') { 415564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/*"; 415664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 415764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++;; 415864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argListBegin != '>') { 415964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 416064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 416164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 416264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 416364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "*/"; 416464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 416564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 416664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 416764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argListBegin++; 416864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 416964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 417164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 417264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 417464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 417664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 417764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 418064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 418164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct Block_byref_id_object *src) { 418264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 418364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 418464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 418564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 418664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 418764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 418864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 418964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// And: 419064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 419164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 419264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 419364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 419464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 419564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 419664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 419764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 419864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 419964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 420064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag) { 420164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 420264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CopyDestroyCache.count(flag)) 420364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 420464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CopyDestroyCache.insert(flag); 420564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 420664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 420764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *dst, void *src) {\n"; 420864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 420964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // offset into the object pointer is computed as: 421064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void * + void* + int + int + void* + void * 421164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 421264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 421364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned VoidPtrSize = 421464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 421564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 421664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth(); 421764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 421864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 421964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 422064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 422164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 422264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 422364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 422464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 422564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 422664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 422764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *src) {\n"; 422864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 422964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 423064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 423164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 423264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 423364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 423464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 423564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 423664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 423764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// the declaration into: 423864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND { 423964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 424064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND *__forwarding; 424164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __flags; 424264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __size; 424364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 424464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 424564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// typex ND; 424664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// }; 424764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 424864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It then replaces declaration of ND variable with: 424964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 425064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 425164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ND=initializer-if-any}; 425264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 425364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 425464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefVar(VarDecl *ND) { 425564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is 425664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // used. 425764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 425864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 425964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = 0; 426064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int isa = 0; 426164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 426264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclLoc.isInvalid()) 426364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 426464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Use variable's location which is good for this case. 426564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 426664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 426764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 426864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 426964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 427064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 427164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ByrefType; 427264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 427364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " {\n"; 427464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void *__isa;\n"; 427564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 427664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " *__forwarding;\n"; 427764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __flags;\n"; 427864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __size;\n"; 427964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 428064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 428164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 428264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 428364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 428464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 428564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 428664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 428764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 428864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType T = Ty; 428964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(T); 429064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T.getAsStringInternal(Name, Context->getPrintingPolicy()); 429164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 429264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + ";\n"; 429364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 429464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert this type in global scope. It is needed by helper function. 429564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart; 429664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 429764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 429864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 429964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 430064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 430164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 430264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, ByrefType); 430364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty.isObjCGCWeak()) { 430464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 430564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa = 1; 430664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 430764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 430864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 430964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 431064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 431164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 431264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType()) 431364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 431464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 431564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 431664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 431764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!HF.empty()) 431864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 431964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 432064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 432164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __Block_byref_ND ND = 432264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 432364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // initializer-if-any}; 432464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasInit = (ND->getInit() != 0); 432564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned flags = 0; 432664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) 432764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 432864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = ND->getNameAsString(); 432964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType.clear(); 433064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 433164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ForwardingCastType("("); 433264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ForwardingCastType += ByrefType + " *)"; 433364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!hasInit) { 433464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 433564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 433664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 433764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 433864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 433964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 434064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 434164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ")"; 434264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 434364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 434464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 434564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 434664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 434764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 434864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 434964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned nameSize = Name.size(); 435064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for block or function pointer declaration. Name is aleady 435164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // part of the declaration. 435264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType() || Ty->isFunctionPointerType()) 435364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian nameSize = 1; 435464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType); 435564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 435664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 435764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 435864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 435964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 436064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 436164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 436264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 436364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 436464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 436564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name; 436664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " = {(void*)"; 436764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 436864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 436964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 437064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 437164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 437264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 437364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "), "; 437464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 437564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 437664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 437764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 437864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 437964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 438064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 438164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 438264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 438364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the newly synthesized compound expression by inserting a right 438464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // curly brace before the end of the declaration. 438564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This approach avoids rewriting the initializer expression. It 438664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // also assumes there is only one declarator. For example, the following 438764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // isn't currently supported by this routine (in general): 438864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 438964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 439064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 439164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 439264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 439364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 439464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = 439564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startInitializerBuf); 439664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 439764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(semiLoc, "}"); 439864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 439964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 440064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 440164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 440264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 440364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 440464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(Exp->getBody()); 440564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 440664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by copy" declarations. 440764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4408f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) { 440964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 441064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 441164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 441264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 441364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 441464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by ref" declarations. 441564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4416f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) { 441764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 441864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 441964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 442064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 442364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4424f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() || 442564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 442664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 442764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 442864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 443064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 443164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianFunctionDecl *RewriteModernObjC::SynthBlockInitFunctionDecl(StringRef name) { 443264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(name); 443364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 443464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FunctionDecl::Create(*Context, TUDecl, SourceLocation(), 443564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, FType, 0, SC_Extern, 443664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false, false); 443764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 443864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 443964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthBlockInitExpr(BlockExpr *Exp, 4440f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs) { 4441d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian 444264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockDecl *block = Exp->getBlockDecl(); 4443d13c2c291f9fec2ed0e12a65f1638710ca979bb0Fariborz Jahanian 444464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.push_back(Exp); 444564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Exp); 444764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add inner imported variables now used in current block. 444964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int countOfInnerDecls = 0; 445064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 445164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 4452f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Exp = InnerBlockDeclRefs[i]; 445364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 4454f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) { 445564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We need to save the copied-in variables in nested 445664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks because it is needed at the end for some of the API generations. 445764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See SynthesizeBlockLiterals routine. 445864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 445964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 446064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 446164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 446264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 4463f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) { 446464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 446564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 446664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 446764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 446864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 446964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 447064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 447164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 4472f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (InnerBlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() || 447364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 447464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 447564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 447664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 447764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 447864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 447964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 448064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 448264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = CurFunctionDef->getNameAsString(); 448364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CurMethodDef) 448464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 448564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (GlobalVarDecl) 448664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = std::string(GlobalVarDecl->getNameAsString()); 448764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 4488df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian bool GlobalBlockExpr = 4489df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian block->getDeclContext()->getRedeclContext()->isFileContext(); 4490df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 4491df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalBlockExpr && !GlobalVarDecl) { 4492df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Diags.Report(block->getLocation(), GlobalBlockRewriteFailedDiag); 4493df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalBlockExpr = false; 4494df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian } 4495df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 449664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BlockNumber = utostr(Blocks.size()-1); 449764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 449864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 449964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get a pointer to the function type so we can cast appropriately. 450164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 450264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 450364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD; 450564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *NewRep; 450664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 4508df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian std::string Tag; 4509df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 4510df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalBlockExpr) 4511df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag = "__global_"; 4512df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian else 4513df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag = "__"; 4514df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian Tag += FuncName + "_block_impl_" + BlockNumber; 4515df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 451664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Tag); 4517f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, FType, VK_RValue, 451864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 451964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 452064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 452164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 452264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block function. 452364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Func); 4524f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), 4525f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 452664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 452764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 452864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(castExpr); 452964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 453064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block descriptor. 453164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 453264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 453364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, 453464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 453564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(DescData.c_str()), 453664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 453764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Static, SC_None); 453864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryOperator *DescRefExpr = 4539f4b88a45902af1802a1cb42ba48b1c474474f228John McCall new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, false, 454064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 454164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, 454264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()), 454364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UO_AddrOf, 454464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 454564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 454664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 454764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(DescRefExpr); 454864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 454964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 455064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 455164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp; 455264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 455364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 455464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 455564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isObjCType((*I)->getType())) { 455664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Conform to ABI ([[obj retain] autorelease]). 455764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4558f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), 4559f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 456064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 456164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 456264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 456364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 456464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 456564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (isTopLevelBlockPointerType((*I)->getType())) { 456764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4568f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), 4569f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 457064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 457164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 457264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 457364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4574f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), 4575f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 457664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 457764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 457864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 457964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 458064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 458164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 458264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 458364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 458464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 458564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 458664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 458764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 458864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 458964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *ND = (*I); 459064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 459164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName; 459264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 459364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 459464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian + sizeof("struct")); 459564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 459664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 459764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 459864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 459964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 460064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4602f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue, 460364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 460464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isNestedCapturedVar = false; 460564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (block) 460664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::capture_const_iterator ci = block->capture_begin(), 460764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ce = block->capture_end(); ci != ce; ++ci) { 460864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const VarDecl *variable = ci->getVariable(); 460964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (variable == ND && ci->isNested()) { 461064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert (ci->isByRef() && 461164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "SynthBlockInitExpr - captured block variable is not byref"); 461264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isNestedCapturedVar = true; 461364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 461464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 461564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 461664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // captured nested byref variable has its address passed. Do not take 461764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // its address again. 461864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isNestedCapturedVar) 461964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 462064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Exp->getType()), 462164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 462264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 462364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 462464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 462564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 462664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 462764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 462864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 462964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 463064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 463164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 463264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, SourceLocation()); 463364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(FlagExp); 463464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 463564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 463664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FType, VK_LValue, SourceLocation()); 4637df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 4638df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian if (GlobalBlockExpr) { 4639df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian assert (GlobalConstructionExp == 0 && 4640df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian "SynthBlockInitExpr - GlobalConstructionExp must be null"); 4641df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian GlobalConstructionExp = NewRep; 4642df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian NewRep = DRE; 4643df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian } 4644df474ec64a86bb88c7543875634d3fc628105bb5Fariborz Jahanian 464564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 464664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(NewRep->getType()), 464764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 464864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 464964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep); 465064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 465164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 465264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 465364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 465464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 465564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 465664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return NewRep; 465764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 465864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 465964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) { 466064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCForCollectionStmt * CS = 466164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(Stmts.back())) 466264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CS->getElement() == DS; 466364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 466464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 466564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 466764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Function Body / Expression rewriting 466864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 466964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 467064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 467164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 467264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) 467364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 467464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (isa<ObjCForCollectionStmt>(S)) { 467564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 467664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.push_back(++BcLabelCount); 467764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 467864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 467964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Pseudo-object operations and ivar references need special 468064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // treatment because we're going to recursively rewrite them. 468164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) { 468264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) { 468364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitSetter(PseudoOp); 468464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 468564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitGetter(PseudoOp); 468664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 468764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 468864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCIvarRefExpr(IvarRefExpr); 468964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 469064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 469164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 469264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 469364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up rewrite of all children. 469464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 469564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 469664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *childStmt = (*CI); 469764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt); 469864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (newStmt) { 469964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *CI = newStmt; 470064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 470164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 470264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 470364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 4704f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> InnerBlockDeclRefs; 470564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 470664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 470764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 470864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 470964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, InnerContexts); 471064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the block body in place. 471164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 471264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = BE->getBody(); 471364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 471464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal on rhs of a property-dot-sytax assignment 471564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // must be replaced by its synthesize ast so getRewrittenText 471664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // works as expected. In this case, what actually ends up on RHS 471764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is the blockTranscribed which is the helper function for the 471864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal; as in: self.c = ^() {[ace ARR];}; 471964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool saveDisableReplaceStmt = DisableReplaceStmt; 472064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 472164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 472264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = saveDisableReplaceStmt; 472364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = SaveCurrentBody; 472464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 472564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 472664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now we snarf the rewritten text and stash it away for later use. 472764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 472864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs[BE] = Str; 472964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 473064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 473164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 473264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //blockTranscribed->dump(); 473364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, blockTranscribed); 473464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return blockTranscribed; 473564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 473664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 473764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 473864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtEncode(AtEncode); 473964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 474164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtSelector(AtSelector); 474264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 474464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCStringLiteral(AtString); 474564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 474764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 474864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Before we rewrite it, put the original message expression in a comment. 474964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = MessExpr->getLocStart(); 475064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = MessExpr->getLocEnd(); 475164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 475364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 475464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string messString; 475664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "// "; 475764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString.append(startBuf, endBuf-startBuf+1); 475864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "\n"; 475964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 476064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Missing definition of 476164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(clang::SourceLocation, char const*, unsigned int). 476264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(startLoc, messString.c_str(), messString.size()); 476364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Tried this, but it didn't work either... 476464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 476564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 476664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteMessageExpr(MessExpr); 476764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 476864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 476964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 477064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCTryStmt(StmtTry); 477164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 477264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 477364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCSynchronizedStmt(StmtTry); 477464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 477564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 477664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCThrowStmt(StmtThrow); 477764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 477864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 477964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCProtocolExpr(ProtocolExp); 478064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 478164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCForCollectionStmt *StmtForCollection = 478264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(S)) 478364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCForCollectionStmt(StmtForCollection, 478464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigStmtRange.getEnd()); 478564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BreakStmt *StmtBreakStmt = 478664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BreakStmt>(S)) 478764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBreakStmt(StmtBreakStmt); 478864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ContinueStmt *StmtContinueStmt = 478964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ContinueStmt>(S)) 479064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteContinueStmt(StmtContinueStmt); 479164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 479264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 479364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and cast exprs. 479464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 479564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: What we're doing here is modifying the type-specifier that 479664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // precedes the first Decl. In the future the DeclGroup should have 479764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // a separate type-specifier that we can rewrite. 479864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE: We need to avoid rewriting the DeclStmt if it is within 479964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the context of an ObjCForCollectionStmt. For example: 480064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NSArray *someArray; 480164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for (id <FooProtocol> index in someArray) ; 480264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is because RewriteObjCForCollectionStmt() does textual rewriting 480364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and it depends on the original text locations/positions. 480464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS)) 480564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 480664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 480764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks rewrite rules. 480864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 480964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DE; ++DI) { 481064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Decl *SD = *DI; 481164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 481264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(ND->getType())) 481364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(ND); 481464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (ND->getType()->isFunctionPointerType()) 481564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(ND->getType(), ND); 481664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 481764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 481864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 481964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 482064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 482164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 482264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefVar(VD); 482364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 482464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 482564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeOfDecl(VD); 482664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 482764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 482864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) { 482964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 483064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 483164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 483264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 483364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 483464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 483564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 483664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 483764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 483864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(CE); 483964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 484064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 484164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) { 484264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "Statement stack is empty"); 484364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 484464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 484564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian && "Statement stack mismatch"); 484664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 484764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle blocks rewriting. 484964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 485064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 485164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 485264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 485364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 485464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 485564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 485664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 485764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 485864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getCallee()->getType()->isBlockPointerType()) { 485964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 486064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, BlockCall); 486164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return BlockCall; 486264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 486364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 486464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 486564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 486664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 486764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 486864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 486964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 487064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ICE->getSubExpr(), 487164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 487264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 487364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 487464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream Buf(SStr); 487564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement->printPretty(Buf, *Context); 487664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = Buf.str(); 487764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 487864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian printf("CAST = %s\n", &Str[0]); 487964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 488064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete S; 488164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 488264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 488364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 488464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Return this stmt unmodified. 488564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 488664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 488764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 488864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteRecordBody(RecordDecl *RD) { 488964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 489064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 489164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = *i; 489264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(FD->getType())) 489364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(FD); 489464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getType()->isObjCQualifiedIdType() || 489564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType()->isObjCQualifiedInterfaceType()) 489664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 489764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 489864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 489964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 490064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// HandleDeclInMainFile - This is called for each top-level decl defined in the 490164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// main file of the input. 490264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleDeclInMainFile(Decl *D) { 490364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (D->getKind()) { 490464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Function: { 490564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD = cast<FunctionDecl>(D); 490664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->isOverloadedOperator()) 490764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 490864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 490964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since function prototypes don't have ParmDecl's, we check the function 491064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // prototype. This enables us to rewrite function declarations and 491164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // definitions using the same code. 491264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(FD->getType(), FD); 491364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49149335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 49159335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis break; 49169335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis 491764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 491864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 491964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = FD; 492064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 492164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 492264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 492364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 492464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->setBody(Body); 492564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 492664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 492764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 492864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 492964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This synthesizes and inserts the block "impl" struct, invoke function, 493164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and any copy/dispose helper functions. 493264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinFunction(FD); 493364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 493464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 493564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 493764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCMethod: { 493964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D); 494064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = MD->getCompoundBody()) { 494164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = MD; 494264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 494364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 494464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 494564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MD->setBody(Body); 494664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 494764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 494864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 494964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 495064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinMethod(MD); 495264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 495364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 495564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCImplementation: { 495764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D); 495864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassImplementation.push_back(CI); 495964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 496064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCCategoryImpl: { 496264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D); 496364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CategoryImplementation.push_back(CI); 496464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 496564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Var: { 496764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = cast<VarDecl>(D); 496864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(VD); 496964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(VD->getType())) 497064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(VD); 497164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isFunctionPointerType()) { 497264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(VD->getType(), VD); 497364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 497464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 497564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 497664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VD->getType()->isRecordType()) { 497964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 498064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 498164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 498264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 498364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 498464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = VD; 498564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = VD->getInit(); 498664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 498764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 498864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 498964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 499064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 499164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 499264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName()); 499364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 499464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 499564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed for blocks. 499664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 499764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 499864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 499964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 500064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 500164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 500264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::TypeAlias: 500364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Typedef: { 500464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) { 500564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 500664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 500764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 500864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 500964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 501064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 501164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 501264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::CXXRecord: 501364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Record: { 501464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = cast<RecordDecl>(D); 501564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 501664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 501764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 501864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 501964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 502064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 502164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 502264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Nothing yet. 502364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 502464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 502530650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian/// Write_ProtocolExprReferencedMetadata - This routine writer out the 502630650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian/// protocol reference symbols in the for of: 502730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian/// struct _protocol_t *PROTOCOL_REF = &PROTOCOL_METADATA. 502830650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanianstatic void Write_ProtocolExprReferencedMetadata(ASTContext *Context, 502930650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian ObjCProtocolDecl *PDecl, 503030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian std::string &Result) { 503130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian // Also output .objc_protorefs$B section and its meta-data. 503230650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian if (Context->getLangOpts().MicrosoftExt) 503330650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "__declspec(allocate(\".objc_protorefs$B\")) "; 503430650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "struct _protocol_t *"; 503530650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "_OBJC_PROTOCOL_REFERENCE_$_"; 503630650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += PDecl->getNameAsString(); 503730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += " = &"; 503830650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "_OBJC_PROTOCOL_"; Result += PDecl->getNameAsString(); 503930650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += ";\n"; 504030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian} 504130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian 504264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTranslationUnit(ASTContext &C) { 504364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 504464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 504564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 504664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteInclude(); 504764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 504864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here's a great place to add any extra declarations that may be needed. 504964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write out meta data for each @protocol(<expr>). 505064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 505130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian E = ProtocolExprDecls.end(); I != E; ++I) { 5052da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Preamble); 505330650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Write_ProtocolExprReferencedMetadata(Context, (*I), Preamble); 505430650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian } 505564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 505664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 505757317788289549d61ada868d07792b637a32d52eFariborz Jahanian for (unsigned i = 0, e = ObjCInterfacesSeen.size(); i < e; i++) { 505857317788289549d61ada868d07792b637a32d52eFariborz Jahanian ObjCInterfaceDecl *CDecl = ObjCInterfacesSeen[i]; 505957317788289549d61ada868d07792b637a32d52eFariborz Jahanian // Write struct declaration for the class matching its ivar declarations. 506057317788289549d61ada868d07792b637a32d52eFariborz Jahanian // Note that for modern abi, this is postponed until the end of TU 506157317788289549d61ada868d07792b637a32d52eFariborz Jahanian // because class extensions and the implementation might declare their own 506257317788289549d61ada868d07792b637a32d52eFariborz Jahanian // private ivars. 506357317788289549d61ada868d07792b637a32d52eFariborz Jahanian RewriteInterfaceDecl(CDecl); 506457317788289549d61ada868d07792b637a32d52eFariborz Jahanian } 506572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 506664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size()) 506764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementations(); 506864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 506964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the buffer corresponding to MainFileID. If we haven't changed it, then 507064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we are done. 507164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const RewriteBuffer *RewriteBuf = 507264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.getRewriteBufferFor(MainFileID)) { 507364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //printf("Changed:\n"); 507464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 507564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 507664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::errs() << "No changes\n"; 507764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 507864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 507964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size() || 508064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.size()) { 508164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite Objective-c meta data* 508264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 508364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMetaDataIntoBuffer(ResultStr); 508464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Emit metadata. 508564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << ResultStr; 508664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 508710cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // Emit ImageInfo; 508810cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian { 508910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian std::string ResultStr; 509010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian WriteImageInfo(ResultStr); 509110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian *OutFile << ResultStr; 509210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian } 509364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OutFile->flush(); 509464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 509564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 509664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::Initialize(ASTContext &context) { 509764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitializeCommon(context); 509864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50996991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#ifndef __OBJC2__\n"; 51006991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#define __OBJC2__\n"; 51016991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#endif\n"; 51026991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian 510364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declaring objc_selector outside the parameter list removes a silly 510464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scope related warning... 510564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IsHeader) 510664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble = "#pragma once\n"; 510764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_selector; struct objc_class;\n"; 510864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __rw_objc_super { struct objc_object *object; "; 510964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_object *superClass; "; 511064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 51111ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian // Define all sections using syntax that makes sense. 511210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // These are currently generated. 511310cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "\n#pragma section(\".objc_classlist$B\", long, read, write)\n"; 51141ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".objc_catlist$B\", long, read, write)\n"; 511510cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".objc_protolist$B\", long, read, write)\n"; 511610cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".objc_imageinfo$B\", long, read, write)\n"; 511788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Preamble += "#pragma section(\".objc_nlclslist$B\", long, read, write)\n"; 511888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Preamble += "#pragma section(\".objc_nlcatlist$B\", long, read, write)\n"; 511910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".objc_protorefs$B\", long, read, write)\n"; 512010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // These are generated but not necessary for functionality. 512110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".datacoal_nt$B\", long, read, write)\n"; 512210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Preamble += "#pragma section(\".cat_cls_meth$B\", long, read, write)\n"; 51231ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".inst_meth$B\", long, read, write)\n"; 51241ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".cls_meth$B\", long, read, write)\n"; 512540a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Preamble += "#pragma section(\".objc_ivar$B\", long, read, write)\n"; 5126de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian 512730650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian // These need be generated for performance. Currently they are not, 512830650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian // using API calls instead. 512930650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Preamble += "#pragma section(\".objc_selrefs$B\", long, read, write)\n"; 513030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Preamble += "#pragma section(\".objc_classrefs$B\", long, read, write)\n"; 513130650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Preamble += "#pragma section(\".objc_superrefs$B\", long, read, write)\n"; 513230650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian 513364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add a constructor for creating temporary objects. 513464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 513564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ": "; 513664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "object(o), superClass(s) {} "; 513764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 513864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 513964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 514064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "typedef struct objc_object Protocol;\n"; 514164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define _REWRITER_typedef_Protocol\n"; 514264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 514364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 514464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 514564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 51465cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian } 51475cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian else 514864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 51495cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian 51505cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend(void);\n"; 51515cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSendSuper(void);\n"; 51525cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend_stret(void);\n"; 51535cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSendSuper_stret(void);\n"; 51545cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_msgSend_fpret(void);\n"; 51555cf6b6ca7c08d3bed3fd899e7a18fc5f58c736b5Fariborz Jahanian 515664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 515764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 515864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 515964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 516064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 516164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 516255261afb725b8af330addddd2e452f9f28ddd96bFariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw( struct objc_object *);\n"; 516364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @synchronized hooks. 516455261afb725b8af330addddd2e452f9f28ddd96bFariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter( struct objc_object *);\n"; 516555261afb725b8af330addddd2e452f9f28ddd96bFariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit( struct objc_object *);\n"; 516664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 516764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 516864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __objcFastEnumerationState {\n\t"; 516964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long state;\n\t"; 517064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "void **itemsPtr;\n\t"; 517164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long *mutationsPtr;\n\t"; 517264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long extra[5];\n};\n"; 517364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 517464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __FASTENUMERATIONSTATE\n"; 517564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 517664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 517764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __NSConstantStringImpl {\n"; 517864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int *isa;\n"; 517964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int flags;\n"; 518064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " char *str;\n"; 518164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " long length;\n"; 518264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 518364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 518464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 518564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 518664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 518764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 518864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 518964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 519064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks preamble. 519164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef BLOCK_IMPL\n"; 519264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define BLOCK_IMPL\n"; 519364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __block_impl {\n"; 519464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *isa;\n"; 519564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Flags;\n"; 519664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Reserved;\n"; 519764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *FuncPtr;\n"; 519864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 519964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 520064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 520164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 520264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 520364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 520464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 520564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 520664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 520764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 520864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 520964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 521064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 521164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 521264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 521364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 521464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 521564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 521664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 521764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __attribute__(X)\n"; 521864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 521964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 522064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 522164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 522264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __block\n"; 522364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 522464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 522564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 522664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 522764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 522864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 522964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 523064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteIvarOffsetComputation - This rutine synthesizes computation of 523164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ivar offset. 523264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 523364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 523464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ivar->isBitField()) { 523564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 523664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // place all bitfields at offset 0. 523764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "0"; 523864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 523964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 524064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 524164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 524264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 524364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", "; 524464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getNameAsString(); 524564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ")"; 524664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 524764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 524864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 524964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// WriteModernMetadataDeclarations - Writes out metadata declarations for modern ABI. 525064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t { 5251da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian/// const char *name; 525264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *attributes; 525364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 525464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_list_t { 525664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _prop_t) 525764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t count_of_properties; 525864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t prop_list[count_of_properties]; 525964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 526064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 526164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t; 526264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 526364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_list_t { 526464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// long protocol_count; // Note, this is 32/64 bit 526564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t * protocol_list[protocol_count]; 526664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 526764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 526864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method { 526964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SEL _cmd; 527077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian/// const char *method_type; 527164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *_imp; 527264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 527364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 527464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _method_list_t { 527564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _objc_method) 527664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t method_count; 527764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method method_list[method_count]; 527864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 527964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 528064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t { 528164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id isa; // NULL 52824e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const char *protocol_name; 528364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _protocol_list_t * protocol_list; // super protocols 52844e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct method_list_t *instance_methods; 52854e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct method_list_t *class_methods; 528664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalInstanceMethods; 528764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalClassMethods; 528864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _prop_list_t * properties; 528964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t size; // sizeof(struct _protocol_t) 529064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t flags; // = 0 529164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char ** extendedMethodTypes; 529264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 529364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 529442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_t { 529542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// unsigned long int *offset; // pointer to ivar offset location 5296ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *name; 5297ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *type; 529842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t alignment; 529942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t size; 530042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 530142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 530242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_list_t { 530342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 entsize; // sizeof(struct _ivar_t) 530442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 count; 5305ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// struct _ivar_t list[count]; 530642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 530742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 530842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_ro_t { 5309249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t flags; 5310249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t instanceStart; 5311249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t instanceSize; 5312249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian/// uint32_t reserved; // only when building for 64bit targets 53134e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const uint8_t *ivarLayout; 53144e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const char *name; 53154e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _method_list_t *baseMethods; 53164e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _protocol_list_t *baseProtocols; 53174e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _ivar_list_t *ivars; 53184e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const uint8_t *weakIvarLayout; 53194e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _prop_list_t *properties; 532042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 532142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 532242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t { 532342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t *isa; 5324fd4ce2c9d64032b42c037b2af3bf4ebeac5bbac8Fariborz Jahanian/// struct _class_t *superclass; 532542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// void *cache; 532642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP *vtable; 53273f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian/// struct _class_ro_t *ro; 532842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 532942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 533042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _category_t { 53314e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const char *name; 53324b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian/// struct _class_t *cls; 53334e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _method_list_t *instance_methods; 53344e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _method_list_t *class_methods; 53354e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _protocol_list_t *protocols; 53364e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian/// const struct _prop_list_t *properties; 533742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 533842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 533942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// MessageRefTy - LLVM for: 534042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _message_ref_t { 534142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP messenger; 534242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 534342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 534442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 534542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SuperMessageRefTy - LLVM for: 534642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _super_message_ref_t { 534742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SUPER_IMP messenger; 534842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 534942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 535042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 5351de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanianstatic void WriteModernMetadataDeclarations(ASTContext *Context, std::string &Result) { 535264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool meta_data_declared = false; 535364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (meta_data_declared) 535464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 535564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 535664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _prop_t {\n"; 5357da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *name;\n"; 5358da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *attributes;\n"; 535964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 536064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 536164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t;\n"; 536264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 536364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 536464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct objc_selector * _cmd;\n"; 536577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tconst char *method_type;\n"; 536690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "\tvoid *_imp;\n"; 536764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 536864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 536964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t {\n"; 537064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid * isa; // NULL\n"; 53714e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst char *protocol_name;\n"; 537264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _protocol_list_t * protocol_list; // super protocols\n"; 53734e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct method_list_t *instance_methods;\n"; 53744e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct method_list_t *class_methods;\n"; 537564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalInstanceMethods;\n"; 537664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalClassMethods;\n"; 537764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _prop_list_t * properties;\n"; 537864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int size; // sizeof(struct _protocol_t)\n"; 537964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int flags; // = 0\n"; 538064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char ** extendedMethodTypes;\n"; 538164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 538264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 538342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _ivar_t {\n"; 538442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned long int *offset; // pointer to ivar offset location\n"; 5385ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *name;\n"; 5386ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *type;\n"; 538742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int alignment;\n"; 538842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int size;\n"; 538942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 539042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 539142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_ro_t {\n"; 5392249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian Result += "\tunsigned int flags;\n"; 539342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int instanceStart;\n"; 5394249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian Result += "\tunsigned int instanceSize;\n"; 5395de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian const llvm::Triple &Triple(Context->getTargetInfo().getTriple()); 5396de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian if (Triple.getArch() == llvm::Triple::x86_64) 5397249cd102cbea7410ed5cd4ab93dabf7804d79c7bFariborz Jahanian Result += "\tunsigned int reserved;\n"; 53984e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst unsigned char *ivarLayout;\n"; 53994e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst char *name;\n"; 54004e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _method_list_t *baseMethods;\n"; 54014e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _objc_protocol_list *baseProtocols;\n"; 54024e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _ivar_list_t *ivars;\n"; 54034e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst unsigned char *weakIvarLayout;\n"; 54044e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _prop_list_t *properties;\n"; 540542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 540642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 540742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_t {\n"; 540842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *isa;\n"; 5409fd4ce2c9d64032b42c037b2af3bf4ebeac5bbac8Fariborz Jahanian Result += "\tstruct _class_t *superclass;\n"; 541042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *cache;\n"; 541142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *vtable;\n"; 54123f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\tstruct _class_ro_t *ro;\n"; 541342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 541442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 541542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _category_t {\n"; 54164e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst char *name;\n"; 54174b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "\tstruct _class_t *cls;\n"; 54184e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _method_list_t *instance_methods;\n"; 54194e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _method_list_t *class_methods;\n"; 54204e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _protocol_list_t *protocols;\n"; 54214e825dfc1260163564ae0f072089c4411b39e2e5Fariborz Jahanian Result += "\tconst struct _prop_list_t *properties;\n"; 542242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 542342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 54243f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" __declspec(dllimport) struct objc_cache _objc_empty_cache;\n"; 54253f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 542664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian meta_data_declared = true; 542764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 542864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 5429da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_t_TypeDecl(std::string &Result, 5430da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian long super_protocol_count) { 5431da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "struct /*_protocol_list_t*/"; Result += " {\n"; 5432da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tlong protocol_count; // Note, this is 32/64 bit\n"; 5433da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tstruct _protocol_t *super_protocols["; 5434da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += utostr(super_protocol_count); Result += "];\n"; 5435da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "}"; 5436da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5437da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 543877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanianstatic void Write_method_list_t_TypeDecl(std::string &Result, 543977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian unsigned int method_count) { 544077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "struct /*_method_list_t*/"; Result += " {\n"; 544177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _objc_method)\n"; 544277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int method_count;\n"; 544377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tstruct _objc_method method_list["; 544477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += utostr(method_count); Result += "];\n"; 544577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "}"; 544677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 544777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5448da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanianstatic void Write__prop_list_t_TypeDecl(std::string &Result, 5449da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian unsigned int property_count) { 5450da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "struct /*_prop_list_t*/"; Result += " {\n"; 5451da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5452da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int count_of_properties;\n"; 5453da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tstruct _prop_t prop_list["; 5454da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += utostr(property_count); Result += "];\n"; 5455da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}"; 5456da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5457da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 5458ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_TypeDecl(std::string &Result, 5459ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian unsigned int ivar_count) { 5460ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "struct /*_ivar_list_t*/"; Result += " {\n"; 5461ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5462ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int count;\n"; 5463ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tstruct _ivar_t ivar_list["; 5464ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += utostr(ivar_count); Result += "];\n"; 5465ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}"; 5466ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5467ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5468da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_initializer(ASTContext *Context, std::string &Result, 5469da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ArrayRef<ObjCProtocolDecl *> SuperProtocols, 5470da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef VarName, 5471da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef ProtocolName) { 5472da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 5473da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\nstatic "; 5474da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_t_TypeDecl(Result, SuperProtocols.size()); 5475da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " "; Result += VarName; 5476da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ProtocolName; 5477da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5478da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t"; Result += utostr(SuperProtocols.size()); Result += ",\n"; 5479da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (unsigned i = 0, e = SuperProtocols.size(); i < e; i++) { 5480da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ObjCProtocolDecl *SuperPD = SuperProtocols[i]; 5481da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t&"; Result += "_OBJC_PROTOCOL_"; 5482da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += SuperPD->getNameAsString(); 5483da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (i == e-1) 5484da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\n};\n"; 5485da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 5486da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ",\n"; 5487da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5488da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5489da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5490da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 549190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanianstatic void Write_method_list_t_initializer(RewriteModernObjC &RewriteObj, 549290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ASTContext *Context, std::string &Result, 549377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 549477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian StringRef VarName, 549590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian StringRef TopLevelDeclName, 549690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian bool MethodImpl) { 549777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (Methods.size() > 0) { 549877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\nstatic "; 549977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_TypeDecl(Result, Methods.size()); 550077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " "; Result += VarName; 550190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += TopLevelDeclName; 550277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 550377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += "sizeof(_objc_method)"; Result += ",\n"; 550477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += utostr(Methods.size()); Result += ",\n"; 550577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 550677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 550777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == 0) 550877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{{(struct objc_selector *)\""; 550977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 551077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{(struct objc_selector *)\""; 551177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += (MD)->getSelector().getAsString(); Result += "\""; 551277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 551377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::string MethodTypeString; 551477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString); 551577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\""; Result += MethodTypeString; Result += "\""; 551677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 551790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!MethodImpl) 551890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "0"; 551990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian else { 552090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "(void *)"; 552190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += RewriteObj.MethodInternalNames[MD]; 552290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 552377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == e-1) 552490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "}}\n"; 552577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 552690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "},\n"; 552777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 552877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "};\n"; 552977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 553077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 553177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5532f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write_prop_list_t_initializer(RewriteModernObjC &RewriteObj, 5533da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ASTContext *Context, std::string &Result, 5534da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ArrayRef<ObjCPropertyDecl *> Properties, 5535da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian const Decl *Container, 5536da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef VarName, 5537da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef ProtocolName) { 5538da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (Properties.size() > 0) { 5539da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\nstatic "; 5540da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Write__prop_list_t_TypeDecl(Result, Properties.size()); 5541da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " "; Result += VarName; 5542da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += ProtocolName; 5543da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5544da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += "sizeof(_prop_t)"; Result += ",\n"; 5545da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += utostr(Properties.size()); Result += ",\n"; 5546da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (unsigned i = 0, e = Properties.size(); i < e; i++) { 5547da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ObjCPropertyDecl *PropDecl = Properties[i]; 5548da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == 0) 5549da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{{\""; 5550da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5551da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{\""; 5552da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += PropDecl->getName(); Result += "\","; 5553da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::string PropertyTypeString, QuotePropertyTypeString; 5554da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Context->getObjCEncodingForPropertyDecl(PropDecl, Container, PropertyTypeString); 5555da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian RewriteObj.QuoteDoublequotes(PropertyTypeString, QuotePropertyTypeString); 5556da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\""; Result += QuotePropertyTypeString; Result += "\""; 5557da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == e-1) 5558da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}}\n"; 5559da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5560da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "},\n"; 5561da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5562da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "};\n"; 5563da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5564da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5565da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 55666ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian// Metadata flags 55676ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianenum MetaDataDlags { 55686ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS = 0x0, 55696ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_META = 0x1, 55706ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_ROOT = 0x2, 55716ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian OBJC2_CLS_HIDDEN = 0x10, 55726ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_EXCEPTION = 0x20, 55736ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 55746ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// (Obsolete) ARC-specific: this class has a .release_ivars method 55756ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_HAS_IVAR_RELEASER = 0x40, 55766ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// class was compiled with -fobjc-arr 55776ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_COMPILED_BY_ARC = 0x80 // (1<<7) 55786ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian}; 55796ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 5580f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write__class_ro_t_initializer(ASTContext *Context, std::string &Result, 5581f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian unsigned int flags, 5582f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceStart, 5583f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceSize, 5584f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCMethodDecl *>baseMethods, 5585f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCProtocolDecl *>baseProtocols, 5586f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCIvarDecl *>ivars, 5587f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCPropertyDecl *>Properties, 5588f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef VarName, 5589f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef ClassName) { 5590f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\nstatic struct _class_ro_t "; 5591f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += VarName; Result += ClassName; 5592f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5593f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 5594f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += llvm::utostr(flags); Result += ", "; 5595f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceStart; Result += ", "; 5596f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceSize; Result += ", \n"; 5597f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 5598de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian const llvm::Triple &Triple(Context->getTargetInfo().getTriple()); 5599de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian if (Triple.getArch() == llvm::Triple::x86_64) 5600de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian // uint32_t const reserved; // only when building for 64bit targets 5601de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian Result += "(unsigned int)0, \n\t"; 5602f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // const uint8_t * const ivarLayout; 5603f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5604f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\""; Result += ClassName; Result += "\",\n\t"; 56056ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool metaclass = ((flags & CLS_META) != 0); 5606f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (baseMethods.size() > 0) { 5607f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _method_list_t *)&"; 56086ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (metaclass) 56096ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_CLASS_METHODS_"; 56106ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian else 56116ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_INSTANCE_METHODS_"; 56126ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += ClassName; 5613f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5614f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5615f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5616f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5617f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 56186ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && baseProtocols.size() > 0) { 5619f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _objc_protocol_list *)&"; 5620f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_CLASS_PROTOCOLS_$_"; Result += ClassName; 5621f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5622f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5623f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5624f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5625f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 56266ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && ivars.size() > 0) { 5627f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _ivar_list_t *)&"; 5628f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_$_INSTANCE_VARIABLES_"; Result += ClassName; 5629f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5630f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5631f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5632f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5633f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5634f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // weakIvarLayout 5635f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 56366ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && Properties.size() > 0) { 5637f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _prop_list_t *)&"; 5638eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian Result += "_OBJC_$_PROP_LIST_"; Result += ClassName; 5639f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n"; 5640f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5641f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5642f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n"; 5643f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5644f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "};\n"; 5645f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian} 5646f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 56473f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanianstatic void Write_class_t(ASTContext *Context, std::string &Result, 56483f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian StringRef VarName, 5649a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian const ObjCInterfaceDecl *CDecl, bool metaclass) { 5650a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian bool rootClass = (!CDecl->getSuperClass()); 5651a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian const ObjCInterfaceDecl *RootClass = CDecl; 56523f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 5653a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 5654a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian // Find the Root class 5655a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian RootClass = CDecl->getSuperClass(); 5656a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian while (RootClass->getSuperClass()) { 5657a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian RootClass = RootClass->getSuperClass(); 5658a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian } 5659a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian } 5660a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5661a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass && rootClass) { 56623f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Need to handle a case of use of forward declaration. 5663ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "\n"; 56643f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 5665ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian if (CDecl->getImplementation()) 5666ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "__declspec(dllexport) "; 56673f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t OBJC_CLASS_$_"; 56683f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 56693f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 56703f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 56713f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Also, for possibility of 'super' metadata class not having been defined yet. 5672a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 5673ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "\n"; 56743f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 5675ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian if (CDecl->getSuperClass()->getImplementation()) 5676ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "__declspec(dllexport) "; 56773f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t "; 5678ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += VarName; 56793f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 56803f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 5681452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian 5682452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian if (metaclass) { 56833f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 5684452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian if (RootClass->getImplementation()) 5685452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "__declspec(dllexport) "; 56863f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t "; 5687452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += VarName; 5688452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += RootClass->getNameAsString(); 5689452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += ";\n"; 5690452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian } 56913f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 56923f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 5693e57303c8ce83ce058dac1fd4b963e68762666b9aFariborz Jahanian Result += "\n__declspec(dllexport) struct _class_t "; Result += VarName; Result += CDecl->getNameAsString(); 56943f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_data\"))) = {\n"; 56953f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\t"; 5696a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass) { 5697a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 5698a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &"; Result += VarName; 5699a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += RootClass->getNameAsString(); 57003f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 5701a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &"; Result += VarName; 57023f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 57033f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57043f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57053f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 5706452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "0, // &"; Result += VarName; 57073f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 57083f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 5709a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &OBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 57103f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57113f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57123f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57133f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 5714a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &OBJC_METACLASS_$_"; 57153f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 57163f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 5717a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 5718a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // &"; Result += VarName; 57193f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 57203f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57213f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57223f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 57233f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "0,\n\t"; 57243f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 5725a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // (void *)&_objc_empty_cache,\n\t"; 5726a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "0, // unused, was (void *)&_objc_empty_vtable,\n\t"; 5727a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass) 57283f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_METACLASS_RO_$_"; 57293f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 57303f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_CLASS_RO_$_"; 57313f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 57323f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n};\n"; 5733a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5734a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian // Add static function to initialize some of the meta-data fields. 5735a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian // avoid doing it twice. 5736a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (metaclass) 5737a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian return; 5738a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5739a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian const ObjCInterfaceDecl *SuperClass = 5740a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian rootClass ? CDecl : CDecl->getSuperClass(); 5741a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5742a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "static void OBJC_CLASS_SETUP_$_"; 5743a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += CDecl->getNameAsString(); 5744a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "(void ) {\n"; 5745a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString(); 5746a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".isa = "; Result += "&OBJC_METACLASS_$_"; 5747452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += RootClass->getNameAsString(); Result += ";\n"; 5748a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5749a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString(); 5750452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += ".superclass = "; 5751452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian if (rootClass) 5752452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "&OBJC_CLASS_$_"; 5753452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian else 5754452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian Result += "&OBJC_METACLASS_$_"; 5755452eac1fd71bc13c23eb034f5f66281ae27cf817Fariborz Jahanian 5756a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += SuperClass->getNameAsString(); Result += ";\n"; 5757a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5758a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_METACLASS_$_"; Result += CDecl->getNameAsString(); 5759a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".cache = "; Result += "&_objc_empty_cache"; Result += ";\n"; 5760a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5761a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 5762a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".isa = "; Result += "&OBJC_METACLASS_$_"; 5763a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += CDecl->getNameAsString(); Result += ";\n"; 5764a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5765a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian if (!rootClass) { 5766a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 5767a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".superclass = "; Result += "&OBJC_CLASS_$_"; 5768a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += SuperClass->getNameAsString(); Result += ";\n"; 5769a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian } 5770a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5771a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "\tOBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 5772a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ".cache = "; Result += "&_objc_empty_cache"; Result += ";\n"; 5773a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "}\n"; 5774a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian 5775fde05e1d482c5a96800fcca5dbcedd2375d8c6fcFariborz Jahanian Result += "#pragma section(\".objc_inithooks$B\", long, read, write)\n"; 5776a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "__declspec(allocate(\".objc_inithooks$B\")) "; 5777a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += "static void *OBJC_CLASS_SETUP2_$_"; 5778a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += CDecl->getNameAsString(); 5779a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += " = (void *)&OBJC_CLASS_SETUP_$_"; 5780a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += CDecl->getNameAsString(); 5781a03e40ce9d729fca50e817351e3b1b48691dcd64Fariborz Jahanian Result += ";\n\n"; 57823f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian} 57833f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 57846118612837887cbae365676d53cc3e1c258249aaFariborz Jahanianstatic void Write_category_t(RewriteModernObjC &RewriteObj, ASTContext *Context, 57856118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::string &Result, 57866118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian StringRef CatName, 578788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian ObjCInterfaceDecl *ClassDecl, 57886118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCMethodDecl *> InstanceMethods, 57896118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCMethodDecl *> ClassMethods, 57906118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCProtocolDecl *> RefedProtocols, 57916118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCPropertyDecl *> ClassProperties) { 579288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 579320f89390c7f9eaf7c62bcc9145fbc5ba7725557bNAKAMURA Takumi StringRef ClassName = ClassDecl->getName(); 57948c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian // must declare an extern class object in case this class is not implemented 57958c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian // in this TU. 579688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "\n"; 57973f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "extern \"C\" "; 579888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (ClassDecl->getImplementation()) 579988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "__declspec(dllexport) "; 580088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 58013f162c398be7fd02167e7382b3a6728c7b2b672dFariborz Jahanian Result += "struct _class_t "; 58028c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += "OBJC_CLASS_$_"; Result += ClassName; 58038c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += ";\n"; 58048c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian 58056118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\nstatic struct _category_t "; 58066118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_"; 58076118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 58086118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 58096118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "{\n"; 58106118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t\""; Result += ClassName; Result += "\",\n"; 58114b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "\t0, // &"; Result += "OBJC_CLASS_$_"; Result += ClassName; 58126118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 58136118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (InstanceMethods.size() > 0) { 58146118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _method_list_t *)&"; 58156118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_INSTANCE_METHODS_"; 58166118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 58176118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 58186118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 58196118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 58206118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 58216118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 58226118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (ClassMethods.size() > 0) { 58236118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _method_list_t *)&"; 58246118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_CLASS_METHODS_"; 58256118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 58266118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 58276118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 58286118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 58296118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 58306118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 58316118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (RefedProtocols.size() > 0) { 58326118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; 58336118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_CATEGORY_PROTOCOLS_$_"; 58346118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 58356118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 58366118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 58376118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 58386118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 58396118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 58406118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (ClassProperties.size() > 0) { 58416118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _prop_list_t *)&"; Result += "_OBJC_$_PROP_LIST_"; 58426118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 58436118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 58446118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 58456118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 58466118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 58476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 58486118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "};\n"; 58494b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian 58504b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian // Add static function to initialize the class pointer in the category structure. 58514b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "static void OBJC_CATEGORY_SETUP_$_"; 58524b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ClassDecl->getNameAsString(); 58534b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "_$_"; 58544b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += CatName; 58554b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "(void ) {\n"; 58564b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "\t_OBJC_$_CATEGORY_"; 58574b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ClassDecl->getNameAsString(); 58584b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "_$_"; 58594b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += CatName; 58604b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ".cls = "; Result += "&OBJC_CLASS_$_"; Result += ClassName; 58614b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ";\n}\n"; 58624b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian 5863fde05e1d482c5a96800fcca5dbcedd2375d8c6fcFariborz Jahanian Result += "#pragma section(\".objc_inithooks$B\", long, read, write)\n"; 58644b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "__declspec(allocate(\".objc_inithooks$B\")) "; 58654b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "static void *OBJC_CATEGORY_SETUP2_$_"; 58664b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ClassDecl->getNameAsString(); 58674b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "_$_"; 58684b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += CatName; 58694b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += " = (void *)&OBJC_CATEGORY_SETUP_$_"; 58704b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ClassDecl->getNameAsString(); 58714b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += "_$_"; 58724b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += CatName; 58734b2fe6e48fe72122fc749a79953755c6fa055900Fariborz Jahanian Result += ";\n\n"; 58746118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian} 58756118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 5876e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanianstatic void Write__extendedMethodTypes_initializer(RewriteModernObjC &RewriteObj, 5877e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ASTContext *Context, std::string &Result, 5878e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 5879e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef VarName, 5880e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef ProtocolName) { 5881e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (Methods.size() == 0) 5882e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian return; 5883e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 5884e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\nstatic const char *"; 5885e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += VarName; Result += ProtocolName; 5886e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += " [] __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 5887e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "{\n"; 5888e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 5889e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 5890e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::string MethodTypeString, QuoteMethodTypeString; 5891e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString, true); 5892e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian RewriteObj.QuoteDoublequotes(MethodTypeString, QuoteMethodTypeString); 5893e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t\""; Result += QuoteMethodTypeString; Result += "\""; 5894e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (i == e-1) 5895e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 5896e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else { 5897e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += ",\n"; 5898e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5899e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5900e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian} 5901e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 590240a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanianstatic void Write_IvarOffsetVar(ASTContext *Context, 590340a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian std::string &Result, 5904db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 59057cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian ObjCInterfaceDecl *CDecl) { 5906db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // FIXME. visibilty of offset symbols may have to be set; for Darwin 5907db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // this is what happens: 5908db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian /** 5909db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian if (Ivar->getAccessControl() == ObjCIvarDecl::Private || 5910db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Ivar->getAccessControl() == ObjCIvarDecl::Package || 5911db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Class->getVisibility() == HiddenVisibility) 5912db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: HiddenVisibility; 5913db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian else 5914db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: DefaultVisibility; 5915db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian */ 5916db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 591707e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "\n"; 591807e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 591907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 592040a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (Context->getLangOpts().MicrosoftExt) 592140a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian Result += "__declspec(allocate(\".objc_ivar$B\")) "; 592240a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian 592340a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian if (!Context->getLangOpts().MicrosoftExt || 592440a777a157c00cc7e9c9db7197017d83311c76c6Fariborz Jahanian IvarDecl->getAccessControl() == ObjCIvarDecl::Private || 5925117591f6247b186a4161459ad8603563cfd1c54cFariborz Jahanian IvarDecl->getAccessControl() == ObjCIvarDecl::Package) 5926d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian Result += "unsigned long int "; 5927d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian else 5928d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian Result += "__declspec(dllexport) unsigned long int "; 59297cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(CDecl, IvarDecl, Result); 593007e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_ivar\")))"; 593107e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " = "; 593207e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian if (IvarDecl->isBitField()) { 593307e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 593407e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian // place all bitfields at offset 0. 593507e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "0;\n"; 593607e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian } 593707e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian else { 5938db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 59397cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += CDecl->getNameAsString(); 5940db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "_IMPL, "; 5941db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += IvarDecl->getName(); Result += ");\n"; 5942db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 5943db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 5944db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian} 5945db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 5946ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_initializer(RewriteModernObjC &RewriteObj, 5947ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ASTContext *Context, std::string &Result, 5948ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 5949ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian StringRef VarName, 59507cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian ObjCInterfaceDecl *CDecl) { 5951ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (Ivars.size() > 0) { 59527cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Write_IvarOffsetVar(Context, Result, Ivars, CDecl); 595307e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian 5954ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\nstatic "; 5955ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_TypeDecl(Result, Ivars.size()); 5956ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " "; Result += VarName; 59577cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += CDecl->getNameAsString(); 5958ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5959ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += "sizeof(_ivar_t)"; Result += ",\n"; 5960ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += utostr(Ivars.size()); Result += ",\n"; 5961ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 5962ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 5963ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == 0) 5964ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t{{"; 5965ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 5966ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t {"; 59677cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian Result += "(unsigned long int *)&"; 59687cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(CDecl, IvarDecl, Result); 5969db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ", "; 5970ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5971ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += IvarDecl->getName(); Result += "\", "; 5972ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian std::string IvarTypeString, QuoteIvarTypeString; 5973ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Context->getObjCEncodingForType(IvarDecl->getType(), IvarTypeString, 5974ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IvarDecl); 5975ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian RewriteObj.QuoteDoublequotes(IvarTypeString, QuoteIvarTypeString); 5976ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += QuoteIvarTypeString; Result += "\", "; 5977ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 59788f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // FIXME. this alignment represents the host alignment and need be changed to 59798f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // represent the target alignment. 59808f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian unsigned Align = Context->getTypeAlign(IvarDecl->getType())/8; 59818f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian Align = llvm::Log2_32(Align); 5982ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += llvm::utostr(Align); Result += ", "; 5983a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian CharUnits Size = Context->getTypeSizeInChars(IvarDecl->getType()); 5984a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += llvm::utostr(Size.getQuantity()); 5985ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == e-1) 5986ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}}\n"; 5987ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 5988ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "},\n"; 5989ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 5990ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "};\n"; 5991ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 5992ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5993ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 599464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 5995da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, 5996da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result) { 599764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 599864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Do not synthesize the protocol more than once. 599964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl())) 600064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 6001de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian WriteModernMetadataDeclarations(Context, Result); 600264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 600364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Def = PDecl->getDefinition()) 600464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl = Def; 6005da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 6006da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 6007da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 6008da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 6009da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 601064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 601177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian // Construct method lists. 601277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> InstanceMethods, ClassMethods; 601377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> OptInstanceMethods, OptClassMethods; 601477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 601577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 601677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 601777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 601877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 601977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptInstanceMethods.push_back(MD); 602077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 602177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian InstanceMethods.push_back(MD); 602277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 602377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 602477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 602577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 602677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 602777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 602877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 602977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 603077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptClassMethods.push_back(MD); 603177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 603277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ClassMethods.push_back(MD); 603377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 603477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 6035e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::vector<ObjCMethodDecl *> AllMethods; 6036e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = InstanceMethods.size(); i < e; i++) 6037e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(InstanceMethods[i]); 6038e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = ClassMethods.size(); i < e; i++) 6039e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(ClassMethods[i]); 6040e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptInstanceMethods.size(); i < e; i++) 6041e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptInstanceMethods[i]); 6042e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptClassMethods.size(); i < e; i++) 6043e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptClassMethods[i]); 6044e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 6045e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Write__extendedMethodTypes_initializer(*this, Context, Result, 6046e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods, 6047e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian "_OBJC_PROTOCOL_METHOD_TYPES_", 6048e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian PDecl->getNameAsString()); 6049da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Protocol's super protocol list 6050da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::vector<ObjCProtocolDecl *> SuperProtocols; 6051da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 6052da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 6053da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian SuperProtocols.push_back(*I); 6054da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 6055da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_initializer(Context, Result, SuperProtocols, 6056da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian "_OBJC_PROTOCOL_REFS_", 6057da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian PDecl->getNameAsString()); 6058da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 605990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 606077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_INSTANCE_METHODS_", 606190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 606277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 606390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 606477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_CLASS_METHODS_", 606590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 606677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 606790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptInstanceMethods, 606877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_", 606990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 607077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 607190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptClassMethods, 607277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_CLASS_METHODS_", 607390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 607477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 6075da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian // Protocol's property metadata. 6076da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::vector<ObjCPropertyDecl *> ProtocolProperties; 6077da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = PDecl->prop_begin(), 6078da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 6079da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ProtocolProperties.push_back(*I); 6080da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 6081f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ProtocolProperties, 6082da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian /* Container */0, 6083da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian "_OBJC_PROTOCOL_PROPERTIES_", 6084da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian PDecl->getNameAsString()); 6085da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 608682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // Writer out root metadata for current protocol: struct _protocol_t 60871ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 60881ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 60891ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".datacoal_nt$B\")) "; 609030650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "struct _protocol_t _OBJC_PROTOCOL_"; 609182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); 609282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n"; 609382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; // id is; is null 609482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t\""; Result += PDecl->getNameAsString(); Result += "\",\n"; 6095da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 6096da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; Result += "_OBJC_PROTOCOL_REFS_"; 6097da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 6098da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 6099da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 6100da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t0,\n"; 610182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (InstanceMethods.size() > 0) { 610282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 610382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 610464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 610582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 610682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 610782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 610882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ClassMethods.size() > 0) { 610982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 611082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 611164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 611282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 611382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 611464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 611582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptInstanceMethods.size() > 0) { 611682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_"; 611782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 611864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 611982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 612082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 612164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 612282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptClassMethods.size() > 0) { 612382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_CLASS_METHODS_"; 612482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 612564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 612664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 612782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 612882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 612982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ProtocolProperties.size() > 0) { 613082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct _prop_list_t *)&_OBJC_PROTOCOL_PROPERTIES_"; 613182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 613264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 613364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 613482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 613564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 613682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t"; Result += "sizeof(_protocol_t)"; Result += ",\n"; 613782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 613882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 6139e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (AllMethods.size() > 0) { 6140e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t(const char **)&"; Result += "_OBJC_PROTOCOL_METHOD_TYPES_"; 6141e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += PDecl->getNameAsString(); 6142e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 6143e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 6144e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else 6145e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t0\n};\n"; 614610cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian 614710cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // Use this protocol meta-data to build protocol list table in section 614810cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // .objc_protolist$B 614910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // Unspecified visibility means 'private extern'. 615010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian if (LangOpts.MicrosoftExt) 615110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "__declspec(allocate(\".objc_protolist$B\")) "; 615210cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "struct _protocol_t *"; 615310cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "_OBJC_LABEL_PROTOCOL_$_"; Result += PDecl->getNameAsString(); 615410cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += " = &_OBJC_PROTOCOL_"; Result += PDecl->getNameAsString(); 615510cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += ";\n"; 615682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 615764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this protocol as having been generated. 615864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl())) 615964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("protocol already synthesized"); 616064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 616164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 616264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 616364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolListMetaData( 616464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols, 616564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, 616664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 616764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Protocols.empty()) return; 616864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 616964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i != Protocols.size(); i++) 6170da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(Protocols[i], Result); 617164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 617264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output the top lovel protocol meta-data for the class. 617364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_protocol_list { 617464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *next; 617564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int protocol_count; 617664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol *class_protocols[]; 617764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 617864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 61791ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 61801ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 61811ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".cat_cls_meth$B\")) "; 61821ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct {\n"; 618364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *next;\n"; 618464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint protocol_count;\n"; 618564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol *class_protocols["; 618664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 618764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 618864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 618964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_PROTOCOLS_"; 619064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 619164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 619264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t0, "; 619364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 619464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 619564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 619664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{&_OBJC_PROTOCOL_"; 619764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[0]->getNameAsString(); 619864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " \n"; 619964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 620064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 1; i != Protocols.size(); i++) { 620164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,&_OBJC_PROTOCOL_"; 620264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[i]->getNameAsString(); 620364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 620464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 620564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 620664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 620764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 62086ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// hasObjCExceptionAttribute - Return true if this class or any super 62096ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// class has the __objc_exception__ attribute. 62106ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// FIXME. Move this to ASTContext.cpp as it is also used for IRGen. 62116ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianstatic bool hasObjCExceptionAttribute(ASTContext &Context, 62126ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian const ObjCInterfaceDecl *OID) { 62136ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (OID->hasAttr<ObjCExceptionAttr>()) 62146ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return true; 62156ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (const ObjCInterfaceDecl *Super = OID->getSuperClass()) 62166ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return hasObjCExceptionAttribute(Context, Super); 62176ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return false; 62186ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian} 6219f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 622064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 622164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 622264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 622364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 622464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicitly declared @interface's are already synthesized. 6225ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 6226ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian assert(false && 6227ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 62288f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian 6229de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian WriteModernMetadataDeclarations(Context, Result); 6230ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 6231ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 6232ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6233ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVD; IVD = IVD->getNextIvar()) { 6234ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian // Ignore unnamed bit-fields. 6235ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (!IVD->getDeclName()) 6236ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian continue; 6237ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVars.push_back(IVD); 623864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 623964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6240ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_initializer(*this, Context, Result, IVars, 6241f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_$_INSTANCE_VARIABLES_", 62427cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian CDecl); 624390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 624490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 624590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 624690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 624790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 624890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // If any of our property implementations have associated getters or 624990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // setters, produce metadata for them as well. 625090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 625190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PropEnd = IDecl->propimpl_end(); 625290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Prop != PropEnd; ++Prop) { 625390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 625490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 625590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 625690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 625790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 625890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!PD) 625990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 626090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 626190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Getter->isDefined()) 626290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Getter); 626390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (PD->isReadOnly()) 626490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 626590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 626690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Setter->isDefined()) 626790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Setter); 626890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 626990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 627090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 627190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_INSTANCE_METHODS_", 627290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 627390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 627490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 627590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 627690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 627790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 627890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_CLASS_METHODS_", 627990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 62800a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 62810a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocols referenced in class declaration? 62820a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocol's super protocol list 62830a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 62840a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols = CDecl->getReferencedProtocols(); 62850a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), 62860a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian E = Protocols.end(); 62870a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian I != E; ++I) { 62880a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols.push_back(*I); 62890a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 62900a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 62910a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 62920a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian } 62930a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 62940a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian Write_protocol_list_initializer(Context, Result, 62950a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols, 62960a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian "_OBJC_CLASS_PROTOCOLS_$_", 62970a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian IDecl->getNameAsString()); 6298f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6299f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Protocol's property metadata. 6300f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 6301f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 6302f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 6303f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties.push_back(*I); 6304f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6305f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 63062df089d4d8d47c3d0d43325d5bb69ec49147f81fFariborz Jahanian /* Container */IDecl, 6307eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian "_OBJC_$_PROP_LIST_", 6308f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 630990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 6310f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 63116ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // Data for initializing _class_ro_t metaclass meta-data 63126ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian uint32_t flags = CLS_META; 63136ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceSize; 63146ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceStart; 63156ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 63166ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 63176ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool classIsHidden = CDecl->getVisibility() == HiddenVisibility; 63186ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 63196ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 63206ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 63216ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!CDecl->getSuperClass()) 63226ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // class is root 63236ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_ROOT; 63246ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize = "sizeof(struct _class_t)"; 63256ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart = InstanceSize; 63266ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 63276ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart, InstanceSize, 63286ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian ClassMethods, 63296ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 63306ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 63316ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 63326ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian "_OBJC_METACLASS_RO_$_", 63336ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CDecl->getNameAsString()); 63346ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 63356ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6336f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Data for initializing _class_ro_t meta-data 63376ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags = CLS; 63386ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 63396ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 63406ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 63416ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (hasObjCExceptionAttribute(*Context, CDecl)) 63426ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_EXCEPTION; 63436ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6344f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!CDecl->getSuperClass()) 6345f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // class is root 6346f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian flags |= CLS_ROOT; 6347f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 63486ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize.clear(); 63496ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart.clear(); 6350f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.count(CDecl)) { 6351f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "0"; 6352f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = "0"; 6353f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6354f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else { 6355f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "sizeof(struct "; 6356f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += CDecl->getNameAsString(); 6357f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += "_IMPL)"; 6358f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6359f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6360f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (IVD) { 6361f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += "__OFFSETOFIVAR__(struct "; 6362f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += CDecl->getNameAsString(); 6363f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += "_IMPL, "; 6364f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += IVD->getNameAsString(); 6365f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += ")"; 6366f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6367f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6368f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = InstanceSize; 6369f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6370f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 6371f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart, InstanceSize, 6372f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceMethods, 6373f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian RefedProtocols, 6374f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian IVars, 6375f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties, 6376f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_CLASS_RO_$_", 6377f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 63783f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 63793f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 63803f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_METACLASS_$_", 63813f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/true); 63823f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 63833f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 63843f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_CLASS_$_", 63853f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/false); 638688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 638788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (ImplementationIsNonLazy(IDecl)) 638888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian DefinedNonLazyClasses.push_back(CDecl); 63893f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 639064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 639164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 639264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) { 639364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 639464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 639564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 639664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented class, write out all its meta data. 639764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 639864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCClassMetaData(ClassImplementation[i], Result); 639964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 640064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented category, write out all its meta data. 640164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 640264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 640364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6404df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian if (ClsDefCount > 0) { 64051ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 64061ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".objc_classlist$B\")) "; 6407df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "static struct _class_t *L_OBJC_LABEL_CLASS_$ ["; 6408df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += llvm::utostr(ClsDefCount); Result += "]"; 6409df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += 6410df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_classlist," 6411df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian "regular,no_dead_strip\")))= {\n"; 6412df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 6413df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "\t&OBJC_CLASS_$_"; 6414df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ClassImplementation[i]->getNameAsString(); 6415df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ",\n"; 641664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 6417df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "};\n"; 641888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 641988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (!DefinedNonLazyClasses.empty()) { 642088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (LangOpts.MicrosoftExt) 642188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "__declspec(allocate(\".objc_nlclslist$B\")) \n"; 642288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "static struct _class_t *_OBJC_LABEL_NONLAZY_CLASS_$[] = {\n\t"; 642388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian for (unsigned i = 0, e = DefinedNonLazyClasses.size(); i < e; i++) { 642488f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "\t&OBJC_CLASS_$_"; Result += DefinedNonLazyClasses[i]->getNameAsString(); 642588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += ",\n"; 642688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 642788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "};\n"; 642888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 642964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 64306118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 64316118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (CatDefCount > 0) { 64321ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 64331ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".objc_catlist$B\")) "; 64346118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "static struct _category_t *L_OBJC_LABEL_CATEGORY_$ ["; 64356118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += llvm::utostr(CatDefCount); Result += "]"; 64366118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += 64376118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_catlist," 64386118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "regular,no_dead_strip\")))= {\n"; 64396118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 64406118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t&_OBJC_$_CATEGORY_"; 64416118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += 64426118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian CategoryImplementation[i]->getClassInterface()->getNameAsString(); 64436118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_$_"; 64446118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += CategoryImplementation[i]->getNameAsString(); 64456118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 64466118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 64476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "};\n"; 64486118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 644988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 645088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (!DefinedNonLazyCategories.empty()) { 645188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (LangOpts.MicrosoftExt) 645288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "__declspec(allocate(\".objc_nlcatlist$B\")) \n"; 645388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "static struct _category_t *_OBJC_LABEL_NONLAZY_CATEGORY_$[] = {\n\t"; 645488f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian for (unsigned i = 0, e = DefinedNonLazyCategories.size(); i < e; i++) { 645588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "\t&_OBJC_$_CATEGORY_"; 645688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += 645788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian DefinedNonLazyCategories[i]->getClassInterface()->getNameAsString(); 645888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "_$_"; 645988f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += DefinedNonLazyCategories[i]->getNameAsString(); 646088f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += ",\n"; 646188f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 646288f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian Result += "};\n"; 646388f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian } 646464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 646564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 646610cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanianvoid RewriteModernObjC::WriteImageInfo(std::string &Result) { 646710cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian if (LangOpts.MicrosoftExt) 646810cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "__declspec(allocate(\".objc_imageinfo$B\")) \n"; 646910cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian 647010cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian Result += "static struct IMAGE_INFO { unsigned version; unsigned flag; } "; 647110cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian // version 0, ObjCABI is 2 647230650ebe652854d8bdce832cbdae1cf3c43e54aaFariborz Jahanian Result += "_OBJC_IMAGE_INFO = { 0, 2 };\n"; 647310cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian} 647410cde2fc0c1804427dd3e0c050c149ac6d415f51Fariborz Jahanian 647564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 647664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// implementation. 647764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 647864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 6479de5d946288bb3d68576c95974beb8cfd21d7043aFariborz Jahanian WriteModernMetadataDeclarations(Context, Result); 648064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 648164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find category declaration for this implementation. 64826118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ObjCCategoryDecl *CDecl=0; 648364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CDecl = ClassDecl->getCategoryList(); CDecl; 648464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CDecl = CDecl->getNextClassCategory()) 648564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 648664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 648764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 648864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FullCategoryName = ClassDecl->getNameAsString(); 64896118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName += "_$_"; 64906118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName += CDecl->getNameAsString(); 649164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 649264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's instance methods if needed 649364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 649464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 649564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 649664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If any of our property implementations have associated getters or 649764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // setters, produce metadata for them as well. 649864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 649964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropEnd = IDecl->propimpl_end(); 650064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Prop != PropEnd; ++Prop) { 650164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 650264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 650364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 650464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 650564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 650664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD) 650764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 650864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 650964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Getter); 651064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly()) 651164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 651264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 651364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Setter); 651464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 651564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65166118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 65176118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_CATEGORY_INSTANCE_METHODS_", 65186118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName, true); 651964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65206118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 65216118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 652264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65236118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 65246118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_CATEGORY_CLASS_METHODS_", 65256118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName, true); 652664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65276118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocols referenced in class declaration? 65286118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocol's super protocol list 65296118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 6530a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis for (ObjCInterfaceDecl::protocol_iterator I = CDecl->protocol_begin(), 6531a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis E = CDecl->protocol_end(); 6532a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis 6533a5f4441de7890953460d95f4e88b9fa432b48dc2Argyrios Kyrtzidis I != E; ++I) { 65346118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols.push_back(*I); 65356118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Must write out all protocol definitions in current qualifier list, 65366118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // and in their nested qualifiers before writing out current definition. 65376118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 653864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 653964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65406118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_protocol_list_initializer(Context, Result, 65416118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols, 65426118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_CATEGORY_PROTOCOLS_$_", 65436118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName); 65446118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 65456118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocol's property metadata. 65466118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 65476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 65486118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 65496118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassProperties.push_back(*I); 65506118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 65516118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 65526118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian /* Container */0, 65536118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_PROP_LIST_", 65546118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName); 65556118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 65566118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_category_t(*this, Context, Result, 65576118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian CDecl->getNameAsString(), 655888f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian ClassDecl, 65596118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian InstanceMethods, 65606118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassMethods, 65616118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols, 65626118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassProperties); 65636118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 656488f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian // Determine if this category is also "non-lazy". 656588f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian if (ImplementationIsNonLazy(IDecl)) 656688f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian DefinedNonLazyCategories.push_back(CDecl); 656788f7f75e35425f3f228473c4c84a2445793a39c1Fariborz Jahanian 656864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 656964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 657064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 657164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// class methods. 657264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahaniantemplate<typename MethodIterator> 657364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 657464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 657564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 657664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 657764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 657864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 657964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MethodBegin == MethodEnd) return; 658064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 658164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_impl_method) { 658264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_method { 658364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SEL _cmd; 658464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *method_types; 658564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void *_imp; 658664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 658764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 658864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 658964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tSEL _cmd;\n"; 659064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *method_types;\n"; 659164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid *_imp;\n"; 659264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 659364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 659464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = true; 659564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 659664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 659764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's methods if needed 659864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 659964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct { 660064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *next_method; 660164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int method_count; 660264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method method_list[]; 660364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 660464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 660564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 66061ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 66071ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) { 66081ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (IsInstanceMethod) 66091ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".inst_meth$B\")) "; 66101ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian else 66111ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".cls_meth$B\")) "; 66121ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian } 66131ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct {\n"; 661464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *next_method;\n"; 661564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint method_count;\n"; 661664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method method_list["; 661764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumMethods); 661864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 661964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 662064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 662164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_METHODS_"; 662264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 662364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __"; 662464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "inst" : "cls"; 662564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_meth\")))= "; 662664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 662764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 662864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{{(SEL)\""; 662964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 663064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 663164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 663264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 663364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 663464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 663564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 663664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 663764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 663864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,{(SEL)\""; 663964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 664064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 664164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 664264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 664364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 664464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 664564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 664664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 664764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 664864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 664964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 665064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 665164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) { 665264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = IV->getSourceRange(); 665364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *BaseExpr = IV->getBase(); 665464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 665564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the base, but without actually doing replaces. 665664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 665764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 665864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr)); 665964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(BaseExpr); 666064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 666164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 666264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *D = IV->getDecl(); 666364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 666464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = IV; 6665e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian 666664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 666764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 666864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 666964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 667064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 667164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 667264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 667364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 667464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 667564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6676e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian // Build name of symbol holding ivar offset. 66777cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian std::string IvarOffsetName; 66787cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian WriteInternalIvarName(clsDeclared, D, IvarOffsetName); 66797cb2a1b4b6ef60aa57a5f2e5e820a57adef3ea77Fariborz Jahanian 668072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian ReferencedIvars[clsDeclared].insert(D); 668172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 6682e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian // cast offset to "char *". 6683e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, 6684e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->getPointerType(Context->CharTy), 668564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 6686e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian BaseExpr); 6687e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 6688e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation(), &Context->Idents.get(IvarOffsetName), 6689e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->UnsignedLongTy, 0, SC_Extern, SC_None); 6690f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, 6691f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Context->UnsignedLongTy, VK_LValue, 6692e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation()); 6693e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian BinaryOperator *addExpr = 6694e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian new (Context) BinaryOperator(castExpr, DRE, BO_Add, 6695e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->getPointerType(Context->CharTy), 6696e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 669764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 6698e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), 6699e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation(), 6700e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian addExpr); 67010d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9Fariborz Jahanian QualType IvarT = D->getType(); 67028e0913d4921e36ef82ecba565fd7b2c66165dd87Fariborz Jahanian convertObjCTypeToCStyleType(IvarT); 67030d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9Fariborz Jahanian QualType castT = Context->getPointerType(IvarT); 670464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6705e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian castExpr = NoTypeInfoCStyleCastExpr(Context, 6706e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian castT, 6707e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian CK_BitCast, 6708e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian PE); 67098e0913d4921e36ef82ecba565fd7b2c66165dd87Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(castExpr, UO_Deref, IvarT, 6710e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VK_LValue, OK_Ordinary, 6711e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation()); 6712e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian PE = new (Context) ParenExpr(OldRange.getBegin(), 6713e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian OldRange.getEnd(), 6714e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Exp); 6715e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian 6716e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Replacement = PE; 671764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 671864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6719e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian ReplaceStmtWithRange(IV, Replacement, OldRange); 6720e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian return Replacement; 672164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 6722