RewriteModernObjC.cpp revision 1ca052c09868169d4de4da5d1d45f07f2fe8511a
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; 7664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned RewriteFailedDiag; 7764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ObjC string constant support. 7864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumObjCStringLiterals; 7964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *ConstantStringClassReference; 8064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *NSStringRecord; 8164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 8264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ObjC foreach break/continue generation support. 8364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int BcLabelCount; 8464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 8564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned TryFinallyContainsReturnDiag; 8664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Needed for super. 8764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *CurMethodDef; 8864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *SuperStructDecl; 8964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *ConstantStringDecl; 9064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 9164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFunctionDecl; 9264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendSuperFunctionDecl; 9364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFunctionDecl; 9464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendSuperStretFunctionDecl; 9564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFpretFunctionDecl; 9664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *GetClassFunctionDecl; 9764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *GetMetaClassFunctionDecl; 9864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *GetSuperClassFunctionDecl; 9964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SelGetUidFunctionDecl; 10064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *CFStringFunctionDecl; 10164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SuperContructorFunctionDecl; 10264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *CurFunctionDef; 10364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *CurFunctionDeclToDeclareForBlock; 10464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 10564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Misc. containers needed for meta-data rewrite. */ 10664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCImplementationDecl *, 8> ClassImplementation; 10764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCCategoryImplDecl *, 8> CategoryImplementation; 10864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCSynthesizedStructs; 10964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> ObjCSynthesizedProtocols; 110cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCWrittenInterfaces; 11115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian llvm::SmallPtrSet<TagDecl*, 8> TagsDefinedInIvarDecls; 112cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian SmallVector<ObjCInterfaceDecl*, 32> ObjCInterfacesSeen; 11364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Stmt *, 32> Stmts; 11464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 8> ObjCBcLabelNo; 11564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember all the @protocol(<expr>) expressions. 11664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls; 11764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 11864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseSet<uint64_t> CopyDestroyCache; 11964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block expressions. 12164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockExpr *, 32> Blocks; 12264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 32> InnerDeclRefsCount; 123f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 32> InnerDeclRefs; 12464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 32> BlockDeclRefs; 12664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block related declarations. 12864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByCopyDecls; 12964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet; 13064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByRefDecls; 13164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet; 13264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo; 13364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls; 13464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls; 13564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs; 13772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::DenseMap<ObjCInterfaceDecl *, 13872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::SmallPtrSet<ObjCIvarDecl *, 8> > ReferencedIvars; 13972c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 14064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This maps an original source AST to it's rewritten form. This allows 14164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // us to avoid rewriting the same node twice (which is very uncommon). 14264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed to support some of the exotic property rewriting. 14364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes; 14464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 14564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Needed for header files being rewritten 14664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsHeader; 14764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning; 14864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool objc_impl_method; 14964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 15064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool DisableReplaceStmt; 15164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian class DisableReplaceStmtScope { 15264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC &R; 15364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SavedValue; 15464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 15564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 15664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope(RewriteModernObjC &R) 15764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : R(R), SavedValue(R.DisableReplaceStmt) { 15864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = true; 15964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 16064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~DisableReplaceStmtScope() { 16164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = SavedValue; 16264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 16364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 16464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InitializeCommon(ASTContext &context); 16564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 16664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 16790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames; 16864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Top Level Driver code. 16964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual bool HandleTopLevelDecl(DeclGroupRef D) { 17064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 17164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*I)) { 17264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Class->isThisDeclarationADefinition()) { 17364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(D); 17464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 175cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian } else { 176cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian // Keep track of all interface declarations seen. 177f329527bbeae86c8eac6eea6efaa20e807c16679Fariborz Jahanian ObjCInterfacesSeen.push_back(Class); 178cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian break; 17964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 18264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*I)) { 18364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 18464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(D); 18564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 18664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 18964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*I); 19064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 19164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 19264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 19364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleTopLevelSingleDecl(Decl *D); 19464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleDeclInMainFile(Decl *D); 19564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC(std::string inFile, raw_ostream *OS, 19664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 19764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn); 19864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~RewriteModernObjC() {} 20064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void HandleTranslationUnit(ASTContext &C); 20264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmt(Stmt *Old, Stmt *New) { 20464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = ReplacedNodes[Old]; 20564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ReplacingStmt) 20764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // We can't rewrite the same node twice. 20864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 21064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 21364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceStmt(Old, New)) { 21464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 21564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 21764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 21864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 22064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 22164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 22264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 22364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) { 22464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 22564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 22664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 22764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Measure the old text. 22864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int Size = Rewrite.getRangeSize(SrcRange); 22964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Size == -1) { 23064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 23164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 23264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 23364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 23464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 23564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 23664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream S(SStr); 23764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian New->printPretty(S, *Context, 0, PrintingPolicy(LangOpts)); 23864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = S.str(); 23964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 24064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 24164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) { 24264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 24364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 24464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 24564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 24664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 24764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 24864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 24964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 25064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertText(SourceLocation Loc, StringRef Str, 25264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool InsertAfter = true) { 25364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If insertion succeeded or warning disabled return with no warning. 25464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.InsertText(Loc, Str, InsertAfter) || 25564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 25664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 25764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag); 25964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 26064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceText(SourceLocation Start, unsigned OrigLength, 26264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Str) { 26364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If removal succeeded or warning disabled return with no warning. 26464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(Start, OrigLength, Str) || 26564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 26664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 26764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag); 26964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 27064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 27164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Syntactic Rewriting. 27264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteRecordBody(RecordDecl *RD); 27364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInclude(); 27464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(DeclGroupRef D); 27564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(const llvm::SmallVector<Decl*, 8> &DG); 27664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 27764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString); 27864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementations(); 27964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 28064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 28164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID); 28264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl); 28364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementationDecl(Decl *Dcl); 28464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 28564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MDecl, std::string &ResultStr); 28664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeIntoString(QualType T, std::string &ResultStr, 28764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType); 28864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefString(std::string &ResultStr, const std::string &Name, 28964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def=false); 29064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCategoryDecl(ObjCCategoryDecl *Dcl); 29164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProtocolDecl(ObjCProtocolDecl *Dcl); 29264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(DeclGroupRef D); 29364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG); 29464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteMethodDeclaration(ObjCMethodDecl *Method); 29564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProperty(ObjCPropertyDecl *prop); 29664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteFunctionDecl(FunctionDecl *FD); 29764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerType(std::string& Str, QualType Type); 29864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD); 29964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD); 30064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl); 30164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeOfDecl(VarDecl *VD); 30264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Expr *E); 30364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 30464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Expression Rewriting. 30564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S); 30664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp); 30764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitGetter(PseudoObjectExpr *Pseudo); 30864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitSetter(PseudoObjectExpr *Pseudo); 30964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp); 31064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp); 31164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp); 31264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 31364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTryReturnStmts(Stmt *S); 31464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteSyncReturnStmts(Stmt *S, std::string buf); 31564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 31664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 31764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 31864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 31964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd); 32064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 32164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 32264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCastExpr(CStyleCastExpr *CE); 32364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block rewriting. 32564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 32664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block specific rewrite rules. 32864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerDecl(NamedDecl *VD); 32964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefVar(VarDecl *VD); 330f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Stmt *RewriteBlockDeclRefExpr(DeclRefExpr *VD); 33164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 33264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 33364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 33564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 33664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian void RewriteObjCFieldDecl(FieldDecl *fieldDecl, std::string &Result); 33815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 33997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian bool RewriteObjCFieldDeclType(QualType &Type, std::string &Result); 34097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 34172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian void RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl, 34272c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian std::string &Result); 34372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 34464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void Initialize(ASTContext &context); 34564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. AST transformation routines. Somtimes they end up calling 34764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewriting routines on the new ASTs. 34864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 34964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr **args, unsigned nargs, 35064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 35164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 35264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 35464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 35564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 35664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 35864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFunctionDecl(); 35964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperFunctionDecl(); 36064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendStretFunctionDecl(); 36164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 36264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 36364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetClassFunctionDecl(); 36464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetMetaClassFunctionDecl(); 36564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 36664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSelGetUidFunctionDecl(); 36764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSuperContructorFunctionDecl(); 36864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 36964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting metadata 37064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian template<typename MethodIterator> 37164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 37264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 37364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 37464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 37564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 37664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 377da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 378da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result); 37964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCProtocolListMetaData( 38064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Prots, 38164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, std::string &Result); 38264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 38364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 38464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteMetaDataIntoBuffer(std::string &Result); 38564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 38664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 38764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 38864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting ivar 38964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 39064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 39164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV); 39264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 39364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 39464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 39564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 39664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 39764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 39864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 39964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockImpl(BlockExpr *CE, 40064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag, std::string Desc); 40164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockDescriptor(std::string DescTag, 40264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, 40364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int i, StringRef funcName, 40464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy); 40564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 40664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthesizeBlockLiterals(SourceLocation FunLocStart, 40764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName); 40864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SynthBlockInitFunctionDecl(StringRef name); 40964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 410f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs); 41164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 41264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. helper routines. 41364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getProtocolType(); 41464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void WarnAboutReturnGotoStmts(Stmt *S); 41564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HasReturnStmts(Stmt *S, bool &hasReturns); 41664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 41764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 41864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 41964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 42064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsDeclStmtInForeachHeader(DeclStmt *DS); 42164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CollectBlockDeclRefInfo(BlockExpr *Exp); 42264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetBlockDeclRefExprs(Stmt *S); 42364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 424f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs, 42564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 42664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 42764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We avoid calling Type::isBlockPointerType(), since it operates on the 42864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // canonical type. We only care if the top-level type is a closure pointer. 42964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isTopLevelBlockPointerType(QualType T) { 43064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return isa<BlockPointerType>(T); 43164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 43264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 43464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 43564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// otherwise. 43664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 43764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 43864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 43964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 44064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 44164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 44264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 44364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 44464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 445164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool convertObjCTypeToCStyleType(QualType &T); 446164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 44764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool needToScanForQualifiers(QualType T); 44864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSuperStructType(); 44964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getConstantStringStructType(); 45064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 45164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 45264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 45364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 45464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 45564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCIdType(); 45664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCQualifiedClassType()) 45764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCClassType(); 45864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCObjectPointerType() && 45964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) { 46064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCObjectPointerType * OBJPT = 46164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getAsObjCInterfacePointerType()) { 46264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType(); 46364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = QualType(IFaceT, 0); 46464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(T); 46564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 46664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 46764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 46864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This predicate seems like it would be useful to add to ASTContext. 47064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isObjCType(QualType T) { 47164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 47264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 47364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 47464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 47564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 47664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 47764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OCT == Context->getCanonicalType(Context->getObjCClassType())) 47864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 47964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = OCT->getAs<PointerType>()) { 48164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 48264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PT->getPointeeType()->isObjCQualifiedIdType()) 48364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 48464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 48664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyBlockArguments(QualType QT); 48864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 48964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetExtentOfArgList(const char *Name, const char *&LParen, 49064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen); 49164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void QuoteDoublequotes(std::string &From, std::string &To) { 49364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < From.length(); i++) { 49464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (From[i] == '"') 49564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += "\\\""; 49664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 49764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += From[i]; 49864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 49964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSimpleFunctionType(QualType result, 50264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const QualType *args, 50364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs, 50464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool variadic = false) { 50564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (result == Context->getObjCInstanceType()) 50664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian result = Context->getObjCIdType(); 50764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionProtoType::ExtProtoInfo fpi; 50864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian fpi.Variadic = variadic; 50964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getFunctionType(result, args, numArgs, fpi); 51064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 51164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 51264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Helper function: create a CStyleCastExpr with trivial type source info. 51364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 51464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind Kind, Expr *E) { 51564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 51664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 51764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation()); 51864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 51964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 52064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 52164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 52264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 52364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 52464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl *D) { 52564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *fproto 52664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 52764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 52864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = fproto->arg_type_end(); I && (I != E); ++I) 52964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) { 53064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // All the args are checked/rewritten. Don't call twice! 53164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(D); 53264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 53364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 53464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 53564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 53664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 53864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = funcType->getAs<PointerType>(); 53964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 54064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 54164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 54264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 54464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 54564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DotPos == std::string::npos) { 54764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // no file extension 54864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 54964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 55064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 55164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 55264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C header: .h 55364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C++ header: .hh or .H; 55464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 55564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 55664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 55764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteModernObjC(std::string inFile, raw_ostream* OS, 55864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 55964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn) 56064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 56164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning(silenceMacroWarn) { 56264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IsHeader = IsHeaderFile(inFile); 56364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 56464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriting sub-expression within a macro (may not be correct)"); 56564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag = Diags.getCustomDiagID( 56664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine::Warning, 56764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriter doesn't support user-specified control flow semantics " 56864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "for @try/@finally (code may not execute properly)"); 56964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 57064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 57164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianASTConsumer *clang::CreateModernObjCRewriter(const std::string& InFile, 57264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian raw_ostream* OS, 57364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &Diags, 57464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const LangOptions &LOpts, 57564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning) { 57664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return new RewriteModernObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 57764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 57864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 57964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InitializeCommon(ASTContext &context) { 58064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context = &context; 58164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM = &Context->getSourceManager(); 58264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TUDecl = Context->getTranslationUnitDecl(); 58364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = 0; 58464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = 0; 58564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = 0; 58664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = 0; 58764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = 0; 58864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = 0; 58964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = 0; 59064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = 0; 59164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = 0; 59264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CFStringFunctionDecl = 0; 59364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = 0; 59464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NSStringRecord = 0; 59564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 59664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 59764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 59864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 59964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = 0; 60064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = 0; 60164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = 0; 60264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BcLabelCount = 0; 60364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = 0; 60464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NumObjCStringLiterals = 0; 60564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 60664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 60764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 60864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = false; 60964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the ID and start/end of the main file. 61164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileID = SM->getMainFileID(); 61264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 61364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileStart = MainBuf->getBufferStart(); 61464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileEnd = MainBuf->getBufferEnd(); 61564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6164e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOpts()); 61764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 61864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 62064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Top Level Driver Code 62164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 62264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 62364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTopLevelSingleDecl(Decl *D) { 62464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 62564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 62664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 62764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Two cases: either the decl could be in the main file, or it could be in a 62864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #included file. If the former, rewrite it now. If the later, check to see 62964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // if we rewrote the #include/#import. 63064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = D->getLocation(); 63164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = SM->getExpansionLoc(Loc); 63264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 63364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If this is for a builtin, ignore it. 63464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid()) return; 63564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 63664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Look for built-in declarations that we need to refer during the rewrite. 63764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 63864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionDecl(FD); 63964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 64064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <Foundation/NSString.h> 64164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FVD->getName() == "_NSConstantStringClassReference") { 64264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = FVD; 64364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 64464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 64564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 64664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCategoryDecl(CD); 64764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 64864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isThisDeclarationADefinition()) 64964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProtocolDecl(PD); 65064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 65164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Recurse into linkage specifications 65264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclContext::decl_iterator DI = LSD->decls_begin(), 65364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DIEnd = LSD->decls_end(); 65464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DIEnd; ) { 65564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) { 65664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!IFace->isThisDeclarationADefinition()) { 65764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 65864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = IFace->getLocStart(); 65964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 66064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceDecl>(*DI) && 66164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() && 66264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 66364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 66464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 66564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 66664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 66764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 66864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 66964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(DG); 67064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 67164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 67264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 67364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 67464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) { 67564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 67664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 67764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = Proto->getLocStart(); 67864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 67964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCProtocolDecl>(*DI) && 68064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() && 68164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 68264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 68364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 68464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 68564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 68664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 68764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 68864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(DG); 68964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 69064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 69364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*DI); 69464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 69564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 69764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we have a decl in the main file, see if we should rewrite it. 69864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->isFromMainFile(Loc)) 69964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return HandleDeclInMainFile(D); 70064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 70164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 70364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Syntactic (non-AST) Rewriting Code 70464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 70564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInclude() { 70764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 70864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef MainBuf = SM->getBufferData(MainFileID); 70964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufStart = MainBuf.begin(); 71064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufEnd = MainBuf.end(); 71164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian size_t ImportLen = strlen("import"); 71264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 71364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Loop over the whole file, looking for includes. 71464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 71564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*BufPtr == '#') { 71664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 71764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 71864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 71964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 72064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 72164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 72264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace import with include 72364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation ImportLoc = 72464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart.getLocWithOffset(BufPtr-MainBufStart); 72564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(ImportLoc, ImportLen, "include"); 72664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BufPtr += ImportLen; 72764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 72864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 72964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 73064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 73164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 73264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 73364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 73464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 73564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "((struct "; 73664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ClassDecl->getIdentifier()->getName(); 73764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_IMPL *)self)->"; 73864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += OID->getName(); 73964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 74064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 74164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 74364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 74464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID) { 74564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcGetPropertyDefined = false; 74664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcSetPropertyDefined = false; 74764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = PID->getLocStart(); 74864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, "// "); 74964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 75064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synthesize location"); 75164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 75264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 75364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = 75464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startBuf+1); 75564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 75664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 75764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // FIXME: is this correct? 75864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 75964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'getter' function. 76064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = PID->getPropertyDecl(); 76164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 76264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 76364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!OID) 76464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 76564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 76664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 76764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 76864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 76964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 77064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Getr; 77164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 77264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcGetPropertyDefined = true; 77364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 77464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 77564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 77664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 77764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 77864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 77964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "{ "; 78064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 78164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 78264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty) { 78364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 78464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "typedef "; 78564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 78664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 78764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FPRetType); 78864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += " _TYPE"; 78964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 79064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 79164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 79264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 79364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 79464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "("; 79564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 79664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) Getr += ", "; 79764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 79864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 79964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ParamStr; 80064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 80264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 80364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "..."; 80464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; 80664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 80764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "()"; 80864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ";\n"; 81064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return (_TYPE)"; 81164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 81264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Getr); 81364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ", 1)"; 81464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 81564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 81664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 81764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "; }"; 81864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 81964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 82064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 82164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 82264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 82364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 82464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'setter' function. 82564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Setr; 82664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 82764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 82864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 82964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcSetPropertyDefined = true; 83064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 83164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 83264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 83364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 83464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 83564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 83664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 83764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "{ "; 83864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to initialize the ivar. 83964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_setter() for details. 84064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty) { 84164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 84264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Setr); 84364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", (id)"; 84464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 84564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", "; 84664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 84764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0, "; 84864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 84964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1, "; 85064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 85164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1)"; 85264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 85364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0)"; 85464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 85564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 85664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 85764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 85864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 85964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "; }"; 86064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Setr); 86164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 86264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 86364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl, 86464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &typedefString) { 86564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#ifndef _REWRITER_typedef_"; 86664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 86764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 86864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#define _REWRITER_typedef_"; 86964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 87064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 87164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "typedef struct objc_object "; 87264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 87364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n#endif\n"; 87464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 87564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 87664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 87764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString) { 87864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = ClassDecl->getLocStart(); 87964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 88064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiPtr = strchr(startBuf, ';'); 88164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the @class with typedefs corresponding to the classes. 88264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 88364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 88464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 88564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl(DeclGroupRef D) { 88664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 88764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 88864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(*I); 88964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == D.begin()) { 89064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Translate to typedef's that forward reference structs with the same name 89164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as the class. As a convenience, we include the original declaration 89264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as a comment. 89364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 89464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 89564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 89664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 89764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 89864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 89964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclGroupRef::iterator I = D.begin(); 90064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString); 90164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 90264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 90364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl( 90464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::SmallVector<Decl*, 8> &D) { 90564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 90664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < D.size(); i++) { 90764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]); 90864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i == 0) { 90964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 91064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 91164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 91264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 91364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 91464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 91564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString); 91664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 91764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 91864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 91964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 92064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // nothing to rewrite. 92164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Method->isImplicit()) 92264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 92364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = Method->getLocStart(); 92464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = Method->getLocEnd(); 92564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->getExpansionLineNumber(LocEnd) > 92764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM->getExpansionLineNumber(LocStart)) { 92864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "#if 0\n"); 92964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, 1, ";\n#endif\n"); 93064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 93164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "// "); 93264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 93364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 93464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProperty(ObjCPropertyDecl *prop) { 93664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 93764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Loc, 0, "// "); 93964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle properties that are declared across multiple lines. 94064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 94164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 94264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 94364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CatDecl->getLocStart(); 94464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 94564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle category headers that are declared across multiple lines. 94664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 947af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (CatDecl->getIvarLBraceLoc().isValid()) 948af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(CatDecl->getIvarLBraceLoc(), "// "); 949d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian for (ObjCCategoryDecl::ivar_iterator 950d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian I = CatDecl->ivar_begin(), E = CatDecl->ivar_end(); I != E; ++I) { 951d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian ObjCIvarDecl *Ivar = (*I); 952d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian SourceLocation LocStart = Ivar->getLocStart(); 953d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian ReplaceText(LocStart, 0, "// "); 954d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 955af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (CatDecl->getIvarRBraceLoc().isValid()) 956af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(CatDecl->getIvarRBraceLoc(), "// "); 957af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian 95864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 95964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 96064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 96164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::instmeth_iterator 96364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 96464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 96564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 96664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::classmeth_iterator 96764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 96864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 96964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 97064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 97264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 97364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strlen("@end"), "/* @end */"); 97464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 97564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 97764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = PDecl->getLocStart(); 97864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(PDecl->isThisDeclarationADefinition()); 97964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle protocol headers that are declared across multiple lines. 98164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 98264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 98464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 98564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 98664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 98764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 98864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 98964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 99064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 99164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 99364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 99464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 99564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 99764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 99864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 99964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must comment out @optional/@required 100164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 100264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 100364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 100464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 100564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 100664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 100764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 100964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 101064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 101164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 101264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 101464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 101564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 101664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardProtocolDecl(DeclGroupRef D) { 101864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = (*D.begin())->getLocStart(); 101964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 102064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 102164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 102264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 102364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 102464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 102564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid 102664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG) { 102764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = DG[0]->getLocStart(); 102864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 102964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 103064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 103164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 103264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 103364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 103564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType) { 103664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 103764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id"; 103864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isFunctionPointerType() || 103964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->isBlockPointerType()) { 104064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // needs special handling, since pointer-to-functions have special 104164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // syntax (where a decaration models use). 104264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType retType = T; 104364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PointeeTy; 104464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType* PT = retType->getAs<PointerType>()) 104564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = PT->getPointeeType(); 104664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 104764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = BPT->getPointeeType(); 104864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 104964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += FPRetType->getResultType().getAsString( 105064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 105164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "(*"; 105264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 105364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 105464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += T.getAsString(Context->getPrintingPolicy()); 105564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 105664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 105864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD, 105964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &ResultStr) { 106064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 106164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 106264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\nstatic "; 106364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 106464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " "; 106564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 106664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique method name 106764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string NameStr; 106864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 106964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) 107064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_I_"; 107164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 107264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_C_"; 107364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += IDecl->getNameAsString(); 107564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 107664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCCategoryImplDecl *CID = 107864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 107964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += CID->getNameAsString(); 108064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 108164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 108264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Append selector names, replacing ':' with '_' 108364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 108464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string selString = OMD->getSelector().getAsString(); 108564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int len = selString.size(); 108664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < len; i++) 108764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (selString[i] == ':') 108864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selString[i] = '_'; 108964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += selString; 109064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 109164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember this name for metadata emission 109264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 109364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += NameStr; 109464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite arguments 109664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 109764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // invisible arguments 109964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) { 110064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 110164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 110264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.MicrosoftExt) { 110364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 110464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 110564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 110664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When rewriting for Microsoft, explicitly omit the structure name. 110764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 110864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " *"; 110964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 111164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCClassType().getAsString( 111264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 111364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " self, "; 111564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy()); 111664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " _cmd"; 111764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Method arguments. 111964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 112064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 112164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParmVarDecl *PDecl = *PI; 112264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", "; 112364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PDecl->getType()->isObjCQualifiedIdType()) { 112464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id "; 112564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += PDecl->getNameAsString(); 112664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 112764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = PDecl->getNameAsString(); 112864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = PDecl->getType(); 112964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 113064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 113164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 113264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 113364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl->getType().getAsStringInternal(Name, Context->getPrintingPolicy()); 113464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Name; 113564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isVariadic()) 113864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", ..."; 113964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ") "; 114064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 114164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 114264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; // close the precedence "scope" for "*". 114364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 114464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 114564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 114664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 114764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 114864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) ResultStr += ", "; 114964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 115064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 115164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ParamStr; 115264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 115364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 115464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) ResultStr += ", "; 115564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "..."; 115664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 115764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; 115864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 115964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "()"; 116064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 116164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 116264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 116364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementationDecl(Decl *OID) { 116464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 116564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 116664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 1167d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian if (IMD) { 1168d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian InsertText(IMD->getLocStart(), "// "); 1169af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (IMD->getIvarLBraceLoc().isValid()) 1170af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(IMD->getIvarLBraceLoc(), "// "); 1171af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian for (ObjCImplementationDecl::ivar_iterator 1172af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian I = IMD->ivar_begin(), E = IMD->ivar_end(); I != E; ++I) { 1173af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian ObjCIvarDecl *Ivar = (*I); 1174af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian SourceLocation LocStart = Ivar->getLocStart(); 1175af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 1176d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 1177af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian if (IMD->getIvarRBraceLoc().isValid()) 1178af300298ab86752fa64e339ba34195888a830756Fariborz Jahanian InsertText(IMD->getIvarRBraceLoc(), "// "); 1179d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian } 1180d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian else 1181d2aea120011da5d411e486a9674e9fb05d22f51bFariborz Jahanian InsertText(CID->getLocStart(), "// "); 118264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 118364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::instmeth_iterator 118464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 118564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 118664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 118764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 118864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 118964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 119064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 119164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 119264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 119364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 119464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 119564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 119664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 119764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 119864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::classmeth_iterator 119964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 120064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 120164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 120264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 120364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 120464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 120564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 120664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 120764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 120864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 120964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 121064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 121164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::propimpl_iterator 121364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 121464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 121564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 121664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewritePropertyImplDecl(*I, IMD, CID); 121764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 121864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 121964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 122064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 122164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 122264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 12238f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Do not synthesize more than once. 12248f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (ObjCSynthesizedStructs.count(ClassDecl)) 12258f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian return; 12268f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Make sure super class's are written before current class is written. 12278f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *SuperClass = ClassDecl->getSuperClass(); 12288f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian while (SuperClass) { 12298f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteInterfaceDecl(SuperClass); 12308f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian SuperClass = SuperClass->getSuperClass(); 12318f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 123264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 1233cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian if (!ObjCWrittenInterfaces.count(ClassDecl->getCanonicalDecl())) { 123464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we haven't seen a forward decl - generate a typedef. 123564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr = "#ifndef _REWRITER_typedef_"; 123664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 123764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\n"; 123864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "#define _REWRITER_typedef_"; 123964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 124064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\n"; 124164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "typedef struct objc_object "; 124264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 124364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ";\n#endif\n"; 124472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 124572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian RewriteIvarOffsetSymbols(ClassDecl, ResultStr); 124672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 12474339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteObjCInternalStruct(ClassDecl, ResultStr); 1248cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian // Mark this typedef as having been written into its c++ equivalent. 1249cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian ObjCWrittenInterfaces.insert(ClassDecl->getCanonicalDecl()); 12504339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian 12514339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 125264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ClassDecl->prop_end(); I != E; ++I) 12534339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteProperty(*I); 12544339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::instmeth_iterator 125564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 12564339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 12574339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 12584339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::classmeth_iterator 125964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 12604339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 12614339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 126264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12634339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian // Lastly, comment out the @end. 12644339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 12654339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian "/* @end */"); 12664339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian } 126764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 126864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 126964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) { 127064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 127164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 127264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 127364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 127464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 127564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr( 127664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PseudoOp->getNumSemanticExprs() - 1)); 127764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 127864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 127964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 128064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base, *RHS; 128164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 128264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 128364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 128464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 128564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = 0; 128664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 128764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 128864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 128964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 129064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 129164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 129264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the RHS. 129364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<BinaryOperator>(PseudoOp->getSyntacticForm())->getRHS(); 129464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<OpaqueValueExpr>(RHS)->getSourceExpr(); 129564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(RHS)); 129664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 129764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 129864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // TODO: avoid this copy. 129964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 130064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelectorLocs(SelLocs); 130164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 130264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 130364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 130464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 130564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 130664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 130764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 130864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 130964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 131064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 131164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 131264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 131364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 131464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 131564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 131664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 131864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 131964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 132064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 132164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 132264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 132364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 132464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 132564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 132664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 132764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 132864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 132964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 133064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 133164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 133264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 133364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 133464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 133564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 133664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 133764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 133864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 133964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 134064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 134164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 134264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 134364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 134464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 134564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 134664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 134764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 134864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 134964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 135064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 135164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) { 135364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 135464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 135664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 135764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 135864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit()); 135964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 136064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 136164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 136264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base = 0; 136364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 136464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 136564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 136664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 136764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 136864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 136964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 137064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 137164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 137264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 137364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 137464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Intentionally empty. 137564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 137664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 1> Args; 137764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 137864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 137964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 138064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 138164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 138264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 138364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 138464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 138564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 138664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 138764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 138864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 138964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 139064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 139164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 139264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 139364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 139464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 139564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 139664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 139764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 139864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 139964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 140064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 140164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 140264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 140364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 140464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 140564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 140764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 140864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 140964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 141064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 141164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 141264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 141364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 141464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 141564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 141664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 141764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 141864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 141964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 142064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 142164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 142264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 142364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 142464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 142564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 142664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 142764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 142864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthCountByEnumWithState - To print: 142964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ((unsigned int (*) 143064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 143164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (void *)objc_msgSend)((id)l_collection, 143264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// sel_registerName( 143364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// "countByEnumeratingWithState:objects:count:"), 143464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// &enumState, 143564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id *)__rw_items, (unsigned int)16) 143664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 143764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthCountByEnumWithState(std::string &buf) { 143864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 143964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id *, unsigned int))(void *)objc_msgSend)"; 144064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 144164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((id)l_collection,\n\t\t"; 144264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 144364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 144464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "&enumState, " 144564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "(id *)__rw_items, (unsigned int)16)"; 144664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 144764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 144864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 144964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to exit to its outer synthesized loop. 145064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 145164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBreakStmt(BreakStmt *S) { 145264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 145364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 145464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace break with goto __break_label 145564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 145664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 145764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 145864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __break_label_"; 145964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 146064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("break"), buf); 146164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 146264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 146364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 146464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 146564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 146664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to continue with its inner synthesized loop. 146764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 146864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteContinueStmt(ContinueStmt *S) { 146964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 147064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 147164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace continue with goto __continue_label 147264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 147364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 147464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 147564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __continue_label_"; 147664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 147764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("continue"), buf); 147864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 147964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 148064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 148164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 148264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 148364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It rewrites: 148464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// for ( type elem in collection) { stmts; } 148564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 148664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// Into: 148764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// { 148864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// type elem; 148964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 149064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id __rw_items[16]; 149164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id l_collection = (id)collection; 149264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 149364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]; 149464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (limit) { 149564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 149664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 149764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long counter = 0; 149864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 149964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (startMutations != *enumState.mutationsPtr) 150064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_enumerationMutation(l_collection); 150164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 150264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// stmts; 150364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __continue_label: ; 150464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (counter < limit); 150564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 150664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]); 150764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 150864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __break_label: ; 150964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 151064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// else 151164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 151264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 151364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 151464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 151564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd) { 151664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 151764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 151864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 151964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!ObjCBcLabelNo.empty() && 152064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 152164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 152264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 152364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 152464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef elementName; 152564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string elementTypeAsString; 152664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 152764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "\n{\n\t"; 152864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 152964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // type elem; 153064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 153164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElementType = cast<ValueDecl>(D)->getType(); 153264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ElementType->isObjCQualifiedIdType() || 153364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ElementType->isObjCQualifiedInterfaceType()) 153464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 153564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 153664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 153764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy()); 153864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 153964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " "; 154064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = D->getName(); 154164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 154264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 154364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 154464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 154564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 154664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = DR->getDecl()->getName(); 154764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 154864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getType()->isObjCQualifiedIdType() || 154964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCQualifiedInterfaceType()) 155064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 155164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 155264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 155364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy()); 155464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 155564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 155664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 155764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 155864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id __rw_items[16]; 155964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id __rw_items[16];\n\t"; 156064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id l_collection = (id) 156164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id l_collection = (id)"; 156264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find start location of 'collection' the hard way! 156364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startCollectionBuf = startBuf; 156464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 156564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 156664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; // skip '(' 156764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // find 'in' and skip it. 156864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startCollectionBuf != ' ' || 156964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 157064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 157164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 157264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; 157364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; 157464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 157564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace: "for (type element in" with string constructed thus far. 157664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 157764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 157864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 157964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 158064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf); 158164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 158264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 158364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 158464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // objects:__rw_items count:16]; 158564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // which is synthesized into: 158664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned int limit = 158764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ((unsigned int (*) 158864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 158964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (void *)objc_msgSend)((id)l_collection, 159064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // sel_registerName( 159164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // "countByEnumeratingWithState:objects:count:"), 159264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct __objcFastEnumerationState *)&state, 159364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id *)__rw_items, (unsigned int)16); 159464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 159564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 159664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 159764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (limit) { 159864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 159964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 160064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long counter = 0; 160164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 160264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (startMutations != *enumState.mutationsPtr) 160364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objc_enumerationMutation(l_collection); 160464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 160564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (limit) {\n\t"; 160664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 160764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t"; 160864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 160964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t\t"; 161064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 161164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 161264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 161364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = ("; 161464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 161564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 161664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 161764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lparenLoc, 1, buf); 161864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 161964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __continue_label: ; 162064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (counter < limit); 162164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 162264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objects:__rw_items count:16]); 162364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 162464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __break_label: ; 162564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 162664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// else 162764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 162864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 162964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// 163064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 163164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__continue_label_"; 163264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 163364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;"; 163464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 163564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 163664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (limit = "; 163764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 163864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ");\n\t"; 163964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 164064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 164164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 164264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 164364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__break_label_"; 164464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 164564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;\n\t"; 164664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n\t"; 164764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else\n\t\t"; 164864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 164964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 165064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 165164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 165264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 165364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 165464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert all these *after* the statement body. 165564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 165664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<CompoundStmt>(S->getBody())) { 165764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1); 165864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 165964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 166064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Need to treat single statements specially. For example: 166164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 166264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) if (stuff()) break; 166364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) xxxyy; 166464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 166564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * The following code simply scans ahead to the semi to find the actual end. 166664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 166764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *stmtBuf = SM->getCharacterData(OrigEnd); 166864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(stmtBuf, ';'); 166964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(semiBuf && "Can't find ';'"); 167064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1); 167164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 167264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 167364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 167464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.pop_back(); 167564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 167664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 167764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 167864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCSynchronizedStmt - 167964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 168064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// into: 168164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_sync_enter(expr); 168264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 168364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 168464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 168564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 168664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 168764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 168864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 168964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 169064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 169164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 169264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_sync_enter((id)"; 169364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lparenBuf = startBuf; 169464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*lparenBuf != '(') lparenBuf++; 169564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 169664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 169764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the sync expression is typically a message expression that's already 169864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // been rewritten! (which implies the SourceLocation's are invalid). 169964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = S->getSynchBody()->getLocStart(); 170064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 170164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*endBuf != ')') endBuf--; 170264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rparenLoc = startLoc.getLocWithOffset(endBuf-startBuf); 170364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ");\n"; 170464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 170564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n"; 170664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 170764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 170864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 170964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 171064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 171164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(rparenLoc, 1, buf); 171264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = S->getSynchBody()->getLocEnd(); 171364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 171464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 171564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '}') && "bogus @synchronized block"); 171664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 171764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "}\nelse {\n"; 171864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 171964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 172064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "{ /* implicit finally clause */\n"; 172164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 172264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 172364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string syncBuf; 172464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += " objc_sync_exit("; 172564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 172664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *syncExpr = S->getSynchExpr(); 172764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = syncExpr->getType()->isObjCObjectPointerType() 172864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : 172964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr->getType()->isBlockPointerType() 173064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 173164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 173264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 173364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, syncExpr); 173464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string syncExprBufS; 173564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream syncExprBuf(syncExprBufS); 173664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr->printPretty(syncExprBuf, *Context, 0, 173764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 173864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += syncExprBuf.str(); 173964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += ");"; 174064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += syncBuf; 174264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n"; 174364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 174464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 174564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 174764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasReturns = false; 174964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(S->getSynchBody(), hasReturns); 175064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasReturns) 175164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteSyncReturnStmts(S->getSynchBody(), syncBuf); 175264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 175464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 175564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::WarnAboutReturnGotoStmts(Stmt *S) 175764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 175864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 175964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 176064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 176164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(*CI); 176264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 176364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 176464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(S->getLocStart()), 176564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag); 176664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 176764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 176864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 176964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 177064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HasReturnStmts(Stmt *S, bool &hasReturns) 177164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 177264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 177364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 177464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 177564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(*CI, hasReturns); 177664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 177764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) 177864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian hasReturns = true; 177964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 178064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 178164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 178264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTryReturnStmts(Stmt *S) { 178364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 178464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 178564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 178664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTryReturnStmts(*CI); 178764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 178864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) { 178964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 179064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 179164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 179364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'"); 179464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1); 179564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 179764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ objc_exception_try_exit(&_stack); return"; 179864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 6, buf); 180064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, "}"); 180164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 180264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 180364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 180464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) { 180664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 180764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 180864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 180964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteSyncReturnStmts(*CI, syncExitBuf); 181064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 181164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) { 181264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 181364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 181464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 181564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 181664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'"); 181764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1); 181864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 181964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 182064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ objc_exception_try_exit(&_stack);"; 182164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += syncExitBuf; 182264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " return"; 182364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 182464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 6, buf); 182564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, "}"); 182664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 182764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 182864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 182964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 183164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 183264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 183364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 183464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @try location"); 183664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 183864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 183964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "/* @try scope begin */ { struct _objc_exception_data {\n"; 184064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 184164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 184264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 184364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 184464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 184564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 184664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 4, buf); 184764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 184864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = S->getTryBody()->getLocEnd(); 184964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 185064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 185164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '}') && "bogus @try block"); 185264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 185364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 185464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getNumCatchStmts()) { 185564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = startLoc.getLocWithOffset(1); 185664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = " /* @catch begin */ else {\n"; 185764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " id _caught = objc_exception_extract(&_stack);\n"; 185864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " objc_exception_try_enter (&_stack);\n"; 185964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (_setjmp(_stack.buf))\n"; 186064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 186164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " else { /* @catch continue */"; 186264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 186364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, buf); 186464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { /* no catch list */ 186564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "}\nelse {\n"; 186664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 186764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 186864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 186964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 187064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *lastCatchBody = 0; 187164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 187264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 187364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *catchDecl = Catch->getCatchParamDecl(); 187464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 187564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == 0) 187664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "if ("; // we are generating code for the first catch clause 187764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 187864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "else if ("; 187964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = Catch->getLocStart(); 188064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 188164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 188264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @catch location"); 188364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 188464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lParenLoc = strchr(startBuf, '('); 188564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 188664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Catch->hasEllipsis()) { 188764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now rewrite the body... 188864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCatchBody = Catch->getCatchBody(); 188964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocStart(); 189064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *bodyBuf = SM->getCharacterData(bodyLoc); 189164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' && 189264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @catch paren location"); 189364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*bodyBuf == '{') && "bogus @catch body location"); 189464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 189564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "1) { id _tmp = _caught;"; 189664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf); 189764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (catchDecl) { 189864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = catchDecl->getType(); 189964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (t == Context->getObjCIdType()) { 190064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "1) { "; 190164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 190264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCObjectPointerType *Ptr = 190364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian t->getAs<ObjCObjectPointerType>()) { 190464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Should be a pointer to a class. 190564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 190664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl) { 190764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_match((struct objc_class *)objc_getClass(\""; 190864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += IDecl->getNameAsString(); 190964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\"), (struct objc_object *)_caught)) { "; 191064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 191164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 191264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 191364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now rewrite the body... 191464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCatchBody = Catch->getCatchBody(); 191564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rParenLoc = Catch->getRParenLoc(); 191664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocStart(); 191764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *bodyBuf = SM->getCharacterData(bodyLoc); 191864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rParenBuf = SM->getCharacterData(rParenLoc); 191964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*rParenBuf == ')') && "bogus @catch paren location"); 192064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*bodyBuf == '{') && "bogus @catch body location"); 192164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here we replace ") {" with "= _caught;" (which initializes and 192364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declares the @catch parameter). 192464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;"); 192564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 192664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("@catch rewrite bug"); 192764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 192864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 192964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the catch list... 193064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (lastCatchBody) { 193164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocEnd(); 193264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(bodyLoc) == '}' && 193364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @catch body location"); 193464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert the last (implicit) else clause *before* the right curly brace. 193664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bodyLoc = bodyLoc.getLocWithOffset(-1); 193764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "} /* last catch end */\n"; 193864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else {\n"; 193964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = _caught;\n"; 194064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " objc_exception_try_exit(&_stack);\n"; 194164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} } /* @catch end */\n"; 194264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!S->getFinallyStmt()) 194364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 194464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(bodyLoc, buf); 194564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 194664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set lastCurlyLoc 194764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = lastCatchBody->getLocEnd(); 194864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 194964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) { 195064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = finalStmt->getLocStart(); 195164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 195264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @finally start"); 195364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 195464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 8, "/* @finally */"); 195564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 195664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *body = finalStmt->getFinallyBody(); 195764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = body->getLocStart(); 195864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = body->getLocEnd(); 195964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(startLoc) == '{' && 196064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @finally body location"); 196164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(endLoc) == '}' && 196264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @finally body location"); 196364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 196464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = startLoc.getLocWithOffset(1); 196564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n"); 196664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endLoc = endLoc.getLocWithOffset(-1); 196764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n"); 196864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 196964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set lastCurlyLoc 197064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = body->getLocEnd(); 197164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 197364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(S->getTryBody()); 197464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { /* no finally clause - make sure we synthesize an implicit one */ 197564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ /* implicit finally clause */\n"; 197664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 197764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; 197864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 197964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 198064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 198164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 198264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The implicit finally clause won't called if the @try contains any 198364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // jump statements. 198464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasReturns = false; 198564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(S->getTryBody(), hasReturns); 198664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasReturns) 198764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTryReturnStmts(S->getTryBody()); 198864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 198964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now emit the final closing curly brace... 199064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = lastCurlyLoc.getLocWithOffset(1); 199164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(lastCurlyLoc, " } /* @try scope end */\n"); 199264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 199364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 199464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 199564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// This can't be done with ReplaceStmt(S, ThrowExpr), since 199664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// the throw expression is typically a message expression that's already 199764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// been rewritten! (which implies the SourceLocation's are invalid). 199864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 199964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 200064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 200164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 200264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 200364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @throw location"); 200464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 200564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 200664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* void objc_exception_throw(id) __attribute__((noreturn)); */ 200764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getThrowExpr()) 200864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw("; 200964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else // add an implicit argument 201064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw(_caught"; 201164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // handle "@ throw" correctly. 201364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *wBuf = strchr(startBuf, 'w'); 201464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*wBuf == 'w') && "@throw: can't find 'w'"); 201564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, wBuf-startBuf+1, buf); 201664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 201864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@throw: can't find ';'"); 201964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf); 202064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(semiLoc, 1, ");"); 202164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 202264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 202364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 202464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 202564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a new string expression. 202664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType StrType = Context->getPointerType(Context->CharTy); 202764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StrEncoding; 202864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 202964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = StringLiteral::Create(*Context, StrEncoding, 203064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 203164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StrType, SourceLocation()); 203264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, Replacement); 203364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 203464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace this subexpr in the parent. 203564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 203664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 203764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 203864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 203964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 204064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 204164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 204264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 204364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"). 204464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 204564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 204664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 204764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 204864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 204964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 205064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 205164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size()); 205264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, SelExp); 205364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 205464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SelExp; 205564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 205664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 205764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianCallExpr *RewriteModernObjC::SynthesizeCallToFunctionDecl( 205864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 205964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 206064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 206164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = FD->getType(); 206264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 206364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 206464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = 2065f4b88a45902af1802a1cb42ba48b1c474474f228John McCall new (Context) DeclRefExpr(FD, false, msgSendType, VK_LValue, SourceLocation()); 206664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 206764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, we cast the reference to a pointer to the objc_msgSend type. 206864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType pToFunc = Context->getPointerType(msgSendType); 206964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr *ICE = 207064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 207164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE, 0, VK_RValue); 207264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 207364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 207464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 207564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Exp = 207664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) CallExpr(*Context, ICE, args, nargs, 207764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getCallResultType(*Context), 207864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, EndLoc); 207964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Exp; 208064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 208164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 208264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 208364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&startRef, const char *&endRef) { 208464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 208564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '<') 208664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startRef = startBuf; // mark the start. 208764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '>') { 208864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (startRef && *startRef == '<') { 208964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endRef = startBuf; // mark the end. 209064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 209164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 209364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 209564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 209764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 209864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 209964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 210064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int angle = 0; 210164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 210264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argRef == '<') 210364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle++; 210464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argRef == '>') 210564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle--; 210664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argRef++; 210764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 210864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 210964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 211064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 211164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::needToScanForQualifiers(QualType T) { 211264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 211364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 211464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 211564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 211664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 211764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 211864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCObjectPointerType()) { 211964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = T->getPointeeType(); 212064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 212164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 212264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isArrayType()) { 212364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 212464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return needToScanForQualifiers(ElemTy); 212564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 212664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 212764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 212864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 212964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 213064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = E->getType(); 213164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 213264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc, EndLoc; 213364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 213464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 213564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = ECE->getLParenLoc(); 213664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = ECE->getRParenLoc(); 213764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 213864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = E->getLocStart(); 213964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = E->getLocEnd(); 214064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 214164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This will defend against trying to rewrite synthesized expressions. 214264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid() || EndLoc.isInvalid()) 214364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 214464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 214564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 214664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(EndLoc); 214764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 214864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 214964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 215064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf); 215164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1); 215264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 215364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 215464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 215564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 215864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 215964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 216064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc; 216164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type; 216264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = 0; 216364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 216464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = VD->getLocation(); 216564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = VD->getType(); 216664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 216764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 216864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 216964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 217064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 217164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 217264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(funcType && "missing function type"); 217364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian proto = dyn_cast<FunctionProtoType>(funcType); 217464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 217564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 217664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = proto->getResultType(); 217764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 217864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 217964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 218064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = FD->getType(); 218164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 218264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 218364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 218464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 218564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 218664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 218764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 218864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(Loc); 218964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = endBuf; 219064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 219164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; // scan backward (from the decl location) for return type. 219264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 219364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 219464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 219564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf); 219664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1); 219764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 219864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 219964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 220064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 220164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 220264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 220364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // most likely, was a variable 220464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check arguments. 220564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 220664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startFuncBuf = startBuf; 220764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < proto->getNumArgs(); i++) { 220864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(proto->getArgType(i))) { 220964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 221064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 221164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 221264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan forward (from the decl location) for argument types. 221364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian scanToNextArgument(endBuf); 221464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 221564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 221664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 221764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = 221864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(startRef-startFuncBuf); 221964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = 222064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(endRef-startFuncBuf+1); 222164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 222264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 222364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 222464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 222564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = ++endBuf; 222664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 222764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 222864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If the function name is derived from a macro expansion, then the 222964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // argument buffer will not follow the name. Need to speak with Chris. 223064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf && *startBuf != ')' && *startBuf != ',') 223164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 223264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 223364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 223464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 223564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 223664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 223764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeOfDecl(VarDecl *ND) { 223864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = ND->getType(); 223964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 224064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 224164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 224264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 224364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 224464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 224564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypePtr = QT->getAs<Type>(); 224664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 224764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 224864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // __typeof__(a) b,c,d; 224964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy())); 225064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 225164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 225264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ND->getInit()) { 225364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 225464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += " " + Name + " = "; 225564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 225664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 225764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 225864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 225964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 226064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 226164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 226264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 226364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 226464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 226564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 226664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 226764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 226864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 226964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 227064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 227164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 227264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 227364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 227464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSelGetUidFunctionDecl() { 227564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 227664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 227764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 227864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getFuncType = 227964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 228064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 228164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 228264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 228364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidIdent, getFuncType, 0, 228464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 228564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 228664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 228764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 228864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteFunctionDecl(FunctionDecl *FD) { 228964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <objc/objc.h> 229064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getIdentifier() && 229164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getName() == "sel_registerName") { 229264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FD; 229364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 229464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 229564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 229664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 229764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 229864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 229964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 230064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 230164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strchr(argPtr, '^')) { 230264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += TypeString; 230364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 230464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 230564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 230664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 230764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 230864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 230964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 231064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 231164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 231264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerTypeVariable(std::string& Str, 231364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD) { 231464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = VD->getType(); 231564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 231664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 231764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int paren = 0; 231864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 231964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 232064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 232164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 232264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren++; 232364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 232464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 232564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 232664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren--; 232764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 232864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 232964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += '*'; 233064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (paren == 1) 233164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += VD->getNameAsString(); 233264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 233364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 233464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 233564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 233664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 233764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 233864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 233964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 234064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 234164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 234264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 234364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 234464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 234564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 234664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 234764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 234864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = proto->getResultType(); 234964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FdStr = Type.getAsString(Context->getPrintingPolicy()); 235064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += " "; 235164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += FD->getName(); 235264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += "("; 235364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 235464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 235564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ArgType = proto->getArgType(i); 235664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 235764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i+1 < numArgs) 235864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ", "; 235964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 236064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ");\n"; 236164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, FdStr); 236264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 236364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 236464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 236564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 236664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSuperContructorFunctionDecl() { 236764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperContructorFunctionDecl) 236864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 236964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 237064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 237164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 237264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 237364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 237664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 237764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 237864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 237964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 238064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 238164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 238264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 238364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 238464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 238564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 238664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFunctionDecl() { 238764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 238864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 238964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 239064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 239164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 239364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 239464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 239664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 239764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 239864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 239964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 240264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 240364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 240464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 240564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 240664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 240764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperFunctionDecl() { 240864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 240964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 241064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 241164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 241264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 241364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 241464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 241564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 241664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 241764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 241864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 241964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 242064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 242164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 242264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 242364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 242464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 242564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 242664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 242764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 242864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 242964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 243064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 243164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendStretFunctionDecl() { 243264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 243364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 243464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 243564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 243664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 243764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 243864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 243964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 244064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 244164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 244264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 244364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 244464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 244564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 244664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 244764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 244864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 244964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 245064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperStretFunctionDecl - 245264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 245364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperStretFunctionDecl() { 245464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = 245564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 245664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 245764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 245864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 245964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 246064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 246164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 246264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 246364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 246464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 246564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 246664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 246764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 246864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 246964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 247064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 247164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 247264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 247364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 247464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 247564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 247664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 247764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 247864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFpretFunctionDecl() { 247964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 248064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 248164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 248264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 248364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 248464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 248564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 248664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 248764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 248864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 248964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 249064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 249164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 249264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 249364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 249464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 249564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 249664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 249764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 249864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 249964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetClassFunctionDecl() { 250064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 250164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 250264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 250364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 250464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 250564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 250664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 250764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 250864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 250964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 251064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 251164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 251264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 251364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 251464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetSuperClassFunctionDecl() { 251564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 251664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 251764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 251864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 251964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 252064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 252164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 252264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 252364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 252464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSuperClassIdent, 252564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassType, 0, 252664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 252764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, 252864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 252964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 253064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 253164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetMetaClassFunctionDecl - id objc_getMetaClass(const char *name); 253264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetMetaClassFunctionDecl() { 253364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 253464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 253564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 253664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 253764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 253864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 253964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 254064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 254164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 254264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 254364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 254464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 254564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 254664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 254764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType strType = getConstantStringStructType(); 254864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 254964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "__NSConstantStringImpl_"; 255064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string tmpName = InFileName; 255264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned i; 255364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (i=0; i < tmpName.length(); i++) { 255464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char c = tmpName.at(i); 255564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace any non alphanumeric characters with '_'. 255664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isalpha(c) && (c < '0' || c > '9')) 255764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian tmpName[i] = '_'; 255864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 255964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += tmpName; 256064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_"; 256164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(NumObjCStringLiterals++); 256264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 256364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "static __NSConstantStringImpl " + S; 256464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 256564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "0x000007c8,"; // utf8_str 256664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The pretty printer for StringLiteral handles escape characters properly. 256764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string prettyBufS; 256864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream prettyBuf(prettyBufS); 256964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getString()->printPretty(prettyBuf, *Context, 0, 257064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 257164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += prettyBuf.str(); 257264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += ","; 257364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 257464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 257564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 257664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), &Context->Idents.get(S), 257764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strType, 0, SC_Static, SC_None); 2578f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, strType, VK_LValue, 257964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 258064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 258164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 258264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 258364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 258464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // cast to NSConstantString * 258564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 258664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_CPointerToObjCPointerCast, Unop); 258764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, cast); 258864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 258964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return cast; 259064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 259164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 259264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 259364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getSuperStructType() { 259464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SuperStructDecl) { 259564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 259664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 259764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 259864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[2]; 259964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 260064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 260164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 260264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_class *super; 260364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->getObjCClassType(); 260464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 260564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 260664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 2; ++i) { 260764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 260864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 260964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 261064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 261164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 261264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/false, 261364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 261464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 261564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 261664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->completeDefinition(); 261764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 261864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(SuperStructDecl); 261964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 262064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 262164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getConstantStringStructType() { 262264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ConstantStringDecl) { 262364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 262464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 262564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__NSConstantStringImpl")); 262664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[4]; 262764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 262864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 262964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 263064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // int flags; 263164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->IntTy; 263264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // char *str; 263364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[2] = Context->getPointerType(Context->CharTy); 263464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // long length; 263564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[3] = Context->LongTy; 263664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 263764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 263864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 4; ++i) { 263964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 264064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl, 264164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 264264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 264364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 264464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 264564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/true, 264664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 264764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 264864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 264964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->completeDefinition(); 265064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 265164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(ConstantStringDecl); 265264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 265364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 265564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc, 265664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 265764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 265864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 265964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFunctionDecl) 266064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFunctionDecl(); 266164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperFunctionDecl) 266264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperFunctionDecl(); 266364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendStretFunctionDecl) 266464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendStretFunctionDecl(); 266564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 266664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 266764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 266864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 266964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetClassFunctionDecl) 267064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetClassFunctionDecl(); 267164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetSuperClassFunctionDecl) 267264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 267364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetMetaClassFunctionDecl) 267464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetMetaClassFunctionDecl(); 267564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 267664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // default to objc_msgSend(). 267764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 267864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // May need to use objc_msgSend_stret() as well. 267964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 268064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 268164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType resultType = mDecl->getResultType(); 268264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (resultType->isRecordType()) 268364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 268464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (resultType->isRealFloatingType()) 268564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 268664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 268764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 268864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize a call to objc_msgSend(). 268964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> MsgExprs; 269064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (Exp->getReceiverKind()) { 269164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: { 269264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 269364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 269464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 269564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 269664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 269764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 269864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 269964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 270064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 270164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set the receiver to self, the first argument to all methods. 270264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 270364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 270464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 270564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2706f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, 270764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 270864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, 270964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())) 271064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 271164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 271264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 271364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 271464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 271564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 271664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 271764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 271864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 271964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 272064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 272164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 272264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 272364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 272464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 272564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 272664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 272764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 272864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 272964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 273064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 273164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 273264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 273364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 273464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 273564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 273664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( // set 'super class', using class_getSuperclass(). 273764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 273864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 273964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 274064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 274164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 274264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 274364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 274464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 274564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 274664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 274764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2748f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, superType, VK_LValue, 274964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 275064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 275164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 275264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 275364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 275464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 275564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 275664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 275764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 275864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 275964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 276064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 276164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 276264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 276364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 276464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 276564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 276664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 276764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 276864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 276964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 277064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 277164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 277264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 277364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 277464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 277564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 277664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 277764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ILE, false); 277864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super * 277964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 278064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 278164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 278264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 278364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 278464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 278564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 278664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 278764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 278864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: { 278964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 279064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 279164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *Class 279264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 279364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 279464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 279564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsName->getName(), 279664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 279764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 279864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 279964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 280064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 280164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 280264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(Cls); 280364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 280464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 280564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 280664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance:{ 280764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 280864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 280964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 281064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 281164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 281264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 281364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 281464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 281564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 281664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 281764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2818f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, 281964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 282064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, SourceLocation())) 282164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 282264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 282364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 282464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 282564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 282664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 282764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 282864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, argType, 282964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())); 283064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 283164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 283264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 283364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 283464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 283564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 283664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 283764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 283864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 283964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 284064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 284164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 284264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 284364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 284464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 284564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 284664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 284764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set 'super class', using class_getSuperclass(). 284864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 284964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 285064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 285164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 285264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 285364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 285464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 285564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 285664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 285764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2858f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, superType, VK_LValue, 285964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 286064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 286164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 286264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, SourceLocation()); 286364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 286464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 286564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 286664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 286764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 286864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 286964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 287064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 287164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 287264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 287364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 287464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 287564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 287664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 287764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 287864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 287964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 288064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 288164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 288264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 288364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 288464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 288564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_RValue, ILE, 288664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 288764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 288864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 288964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 289064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 289164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 289264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: { 289364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remove all type-casts because it may contain objc-style types; e.g. 289464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Foo<Proto> *. 289564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *recExpr = Exp->getInstanceReceiver(); 289664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 289764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = CE->getSubExpr(); 289864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = recExpr->getType()->isObjCObjectPointerType() 289964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : recExpr->getType()->isBlockPointerType() 290064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 290164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 290264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 290364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 290464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, recExpr); 290564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(recExpr); 290664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 290764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 291064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"), it will be the 2nd argument. 291164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 291264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 291364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 291464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 291564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 291664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 291764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 291864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size(), 291964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 292064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 292164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SelExp); 292264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 292364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now push any user supplied arguments. 292464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 292564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *userExpr = Exp->getArg(i); 292664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make all implicit casts explicit...ICE comes in handy:-) 292764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 292864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Reuse the ICE type, it is exactly what the doctor ordered. 292964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType type = ICE->getType(); 293064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(type)) 293164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type = Context->getObjCIdType(); 293264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 293364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 293464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Expr *SubExpr = ICE->IgnoreParenImpCasts(); 293564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 293664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isIntegralType(*Context) && 293764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type->isBooleanType()) { 293864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToBoolean; 293964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (type->isObjCObjectPointerType()) { 294064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isBlockPointerType()) { 294164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 294264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (SubExpr->getType()->isPointerType()) { 294364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 294464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 294564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 294664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 294764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 294864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 294964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 295164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr); 295264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 295464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 295564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getType()->isObjCQualifiedIdType()) { 295664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 295764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = CE->getSubExpr(); 295864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 295964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (userExpr->getType()->isIntegralType(*Context)) { 296064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToPointer; 296164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isBlockPointerType()) { 296264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 296364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isPointerType()) { 296464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 296564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 296664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 296764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 296864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 296964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, userExpr); 297064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 297164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 297264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(userExpr); 297364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We've transferred the ownership to MsgExprs. For now, we *don't* null 297464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // out the argument in the original expression (since we aren't deleting 297564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 297664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //Exp->setArg(i, 0); 297764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 297864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the funky cast. 297964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast; 298064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 298164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType returnType; 298264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push 'id' and 'SEL', the 2 implicit arguments. 298464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendFlavor == MsgSendSuperFunctionDecl) 298564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 298664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 298764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 298864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 298964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 299064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push any user argument types. 299164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 299264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 299364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = (*PI)->getType()->isObjCQualifiedIdType() 299464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? Context->getObjCIdType() 299564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : (*PI)->getType(); 299664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 299764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 299864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 299964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 300064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Exp->getType(); 300164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(returnType); 300264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 300364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 300464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Context->getObjCIdType(); 300564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 300664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 300764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 300864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 300964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 3010f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, false, msgSendType, 301164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 301264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 301464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't do this cast, we get the following bizarre warning/note: 301564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: warning: function called through a non-compatible type 301664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: note: if this code is reached, the program will abort 301764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 301864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 301964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, DRE); 302064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 302164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 302264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castType = 302364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 302464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't have a method decl, force a variadic cast. 302564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 302664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 302764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 302864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 302964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 303064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 303164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 303264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 303364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 303464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 303564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 303664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 303764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 303864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = CE; 303964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) { 304064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have the method which returns a struct/union. Must also generate 304164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 304264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression which dictate which one to envoke depending on size of 304364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // method's return type. 304464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 304564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 3046f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, 3047f4b88a45902af1802a1cb42ba48b1c474474f228John McCall false, msgSendType, 304864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 304964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 305064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 305164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 305264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, STDRE); 305364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 305464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 305564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 305664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 305764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 305864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 305964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 306164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 306264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT = msgSendType->getAs<FunctionType>(); 306464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 306564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 306664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 306764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 306864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build sizeof(returnType) 307064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryExprOrTypeTraitExpr *sizeofExpr = 307164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf, 307264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getTrivialTypeSourceInfo(returnType), 307364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getSizeType(), SourceLocation(), 307464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 307564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 307664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 307764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 307864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is needed to decide what to do. 307964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 308064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 308164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IntegerLiteral *limit = IntegerLiteral::Create(*Context, 308264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::APInt(IntSize, 8), 308364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, 308464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 308564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BinaryOperator *lessThanExpr = 308664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 308764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 308864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 308964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 309064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(lessThanExpr, 309164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), CE, 309264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), STCE, 309364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType, VK_RValue, OK_Ordinary); 309464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 309564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CondExpr); 309664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 309764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 309864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 309964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 310064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 310164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 310264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 310364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getLocEnd()); 310464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 310564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the actual rewrite. 310664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, ReplacingStmt); 310764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 310864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 310964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 311064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 311164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 311264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// typedef struct objc_object Protocol; 311364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getProtocolType() { 311464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ProtocolTypeDecl) { 311564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo 311664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 311764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 311864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 311964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("Protocol"), 312064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TInfo); 312164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTypeDeclType(ProtocolTypeDecl); 312364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 312464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 312564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 312664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// a synthesized/forward data reference (to the protocol's metadata). 312764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// The forward references (and metadata) are generated in 312864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteModernObjC::HandleTranslationUnit(). 312964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 313064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString(); 313164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(Name); 313264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 313364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, getProtocolType(), 0, 313464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, SC_None); 3135f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, false, getProtocolType(), 3136f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 313764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 313864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 313964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 314064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 314164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 314264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DerefExpr); 314364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, castExpr); 314464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl()); 314564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 314664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return castExpr; 314764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 314864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 314964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 315064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::BufferContainsPPDirectives(const char *startBuf, 315164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf) { 315264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 315364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '#') { 315464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Skip whitespace. 315564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 315664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ; 315764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(startBuf, "if", strlen("if")) || 315864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifdef", strlen("ifdef")) || 315964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifndef", strlen("ifndef")) || 316064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "define", strlen("define")) || 316164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "undef", strlen("undef")) || 316264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "else", strlen("else")) || 316364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "elif", strlen("elif")) || 316464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "endif", strlen("endif")) || 316564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "pragma", strlen("pragma")) || 316664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include", strlen("include")) || 316764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "import", strlen("import")) || 316864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include_next", strlen("include_next"))) 316964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 317064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 317164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 317264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 317364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 317464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 317564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 317697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// RewriteObjCFieldDeclType - This routine rewrites a type into the buffer. 317715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian/// It handles elaborated types, as well as enum types in the process. 317897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanianbool RewriteModernObjC::RewriteObjCFieldDeclType(QualType &Type, 317997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string &Result) { 318097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (Type->isArrayType()) { 318197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(Type); 318297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return RewriteObjCFieldDeclType(ElemTy, Result); 318397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 318497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian else if (Type->isRecordType()) { 318515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RecordDecl *RD = Type->getAs<RecordType>()->getDecl(); 318615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (RD->isCompleteDefinition()) { 318715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (RD->isStruct()) 318815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tstruct "; 318915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else if (RD->isUnion()) 319015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tunion "; 319115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else 319215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian assert(false && "class not allowed as an ivar type"); 319397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 319415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += RD->getName(); 319515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (TagsDefinedInIvarDecls.count(RD)) { 319615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian // This struct is already defined. Do not write its definition again. 319797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += " "; 319897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 319915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 320015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.insert(RD); 320115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " {\n"; 320215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 320397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 320415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian FieldDecl *FD = *i; 320515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RewriteObjCFieldDecl(FD, Result); 320615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 320715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t} "; 320897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 320915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 321015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 321115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian else if (Type->isEnumeralType()) { 321215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian EnumDecl *ED = Type->getAs<EnumType>()->getDecl(); 321315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (ED->isCompleteDefinition()) { 321415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\n\tenum "; 321515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ED->getName(); 321615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (TagsDefinedInIvarDecls.count(ED)) { 321715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian // This enum is already defined. Do not write its definition again. 321897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += " "; 321997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 322015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 322115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.insert(ED); 322215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 322315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " {\n"; 322415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (EnumDecl::enumerator_iterator EC = ED->enumerator_begin(), 322515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian ECEnd = ED->enumerator_end(); EC != ECEnd; ++EC) { 322615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t"; Result += EC->getName(); Result += " = "; 322715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian llvm::APSInt Val = EC->getInitVal(); 322815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += Val.toString(10); 322915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ",\n"; 323015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 323115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t} "; 323297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return true; 323315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 323415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 323515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 323615f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += "\t"; 323715f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian convertObjCTypeToCStyleType(Type); 323897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian return false; 323997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian} 324097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 324197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 324297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// RewriteObjCFieldDecl - This routine rewrites a field into the buffer. 324397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian/// It handles elaborated types, as well as enum types in the process. 324497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCFieldDecl(FieldDecl *fieldDecl, 324597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string &Result) { 324697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian QualType Type = fieldDecl->getType(); 324797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian std::string Name = fieldDecl->getNameAsString(); 324815f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 324997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian bool EleboratedType = RewriteObjCFieldDeclType(Type, Result); 325097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (!EleboratedType) 325197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Type.getAsStringInternal(Name, Context->getPrintingPolicy()); 325215f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += Name; 325315f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian if (fieldDecl->isBitField()) { 325415f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += " : "; Result += utostr(fieldDecl->getBitWidthValue(*Context)); 325515f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian } 325697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian else if (EleboratedType && Type->isArrayType()) { 325797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian CanQualType CType = Context->getCanonicalType(Type); 325897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian while (isa<ArrayType>(CType)) { 325997c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian if (const ConstantArrayType *CAT = Context->getAsConstantArrayType(CType)) { 326097c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += "["; 326197c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian llvm::APInt Dim = CAT->getSize(); 326297c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += utostr(Dim.getZExtValue()); 326397c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian Result += "]"; 326497c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 326597c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian CType = CType->getAs<ArrayType>()->getElementType(); 326697c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 326797c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian } 326897c1fd651c24638a4989b4e1f8eb2e629c2073d1Fariborz Jahanian 326915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian Result += ";\n"; 327015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian} 327115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian 327264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to 327364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// an objective-c class with ivars. 327464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 327564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 327664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 327764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl->getName() != "" && 327864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "Name missing in SynthesizeObjCInternalStruct"); 327964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3280a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 3281a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 32829a2105bc790b3d0d4d5edb77c617aeccc4187c0eFariborz Jahanian IVD; IVD = IVD->getNextIvar()) 3283a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian IVars.push_back(IVD); 32849a2105bc790b3d0d4d5edb77c617aeccc4187c0eFariborz Jahanian 328564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 328664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc(); 3287a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 328864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 328964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 3290a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 329164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 329264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3293a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian if ((!CDecl->isThisDeclarationADefinition() || IVars.size() == 0) && 329464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 329564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 329664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 329764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 329864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3299a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 330064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct "; 330164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 3302a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL {\n"; 3303a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 3304f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3305a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "\tstruct "; Result += RCDecl->getNameAsString(); 3306a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL "; Result += RCDecl->getNameAsString(); 3307a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IVARS;\n"; 3308a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian } 330915f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian TagsDefinedInIvarDecls.clear(); 331015f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian for (unsigned i = 0, e = IVars.size(); i < e; i++) 331115f87771cae0c31da45c05b34841d0a2ca70bc87Fariborz Jahanian RewriteObjCFieldDecl(IVars[i], Result); 33120b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian 3313a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "};\n"; 3314a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3315a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 3316f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Mark this struct as having been generated. 3317f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.insert(CDecl)) 3318f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian llvm_unreachable("struct already synthesize- RewriteObjCInternalStruct"); 331964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 332064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 332172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian/// RewriteIvarOffsetSymbols - Rewrite ivar offset symbols of those ivars which 332272c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian/// have been referenced in an ivar access expression. 332372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetSymbols(ObjCInterfaceDecl *CDecl, 332472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian std::string &Result) { 332572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian // write out ivar offset symbols which have been referenced in an ivar 332672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian // access expression. 332772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian llvm::SmallPtrSet<ObjCIvarDecl *, 8> Ivars = ReferencedIvars[CDecl]; 332872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian if (Ivars.empty()) 332972c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian return; 333072c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian for (llvm::SmallPtrSet<ObjCIvarDecl *, 8>::iterator i = Ivars.begin(), 333172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian e = Ivars.end(); i != e; i++) { 333272c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian ObjCIvarDecl *IvarDecl = (*i); 333372c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian Result += "\nextern unsigned long OBJC_IVAR_$_"; 333472c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian Result += CDecl->getName(); Result += "_"; 333572c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian Result += IvarDecl->getName(); Result += ";"; 333672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian } 333772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian} 333872c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 333964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 334064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Meta Data Emission 334164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 334264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 334364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 334464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 334564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// and emits meta-data. 334664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 334764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementations() { 334864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 334964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 335064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 335164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite implemented methods 33528f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 33538f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCImplementationDecl *OIMP = ClassImplementation[i]; 33548f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *CDecl = OIMP->getClassInterface(); 33558f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 3356cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian assert(false && 3357cf4c60feae11b2f6a135d7cd8ecf97a5040951c3Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 33588f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteImplementationDecl(OIMP); 33598f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 336064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33618c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 33628c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian ObjCCategoryImplDecl *CIMP = CategoryImplementation[i]; 33638c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian ObjCInterfaceDecl *CDecl = CIMP->getClassInterface(); 33648c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 33658c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian assert(false && 33668c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 33678c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian RewriteImplementationDecl(CIMP); 33688c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian } 336964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 337064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 337164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefString(std::string &ResultStr, 337264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Name, 337364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def) { 337464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 337564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 337664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (def) 337764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 337864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 337964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 338064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 338164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 338264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 338364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 338464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 338564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 338664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 338764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 338864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 338964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 339064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 339164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *AFT = CE->getFunctionType(); 339264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType RT = AFT->getResultType(); 339364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 339464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" + 339564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian funcName.str() + "_" + "block_func_" + utostr(i); 339664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDecl *BD = CE->getBlockDecl(); 339864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<FunctionNoProtoType>(AFT)) { 340064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // No user-supplied arguments. Still need to pass in a pointer to the 340164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block (to reference imported block decl refs). 340264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 340364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (BD->param_empty()) { 340464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 340564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 340664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 340764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "SynthesizeBlockFunc: No function proto"); 340864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += '('; 340964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // first add the implicit argument. 341064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += StructRef + " *__cself, "; 341164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr; 341264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::param_iterator AI = BD->param_begin(), 341364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BD->param_end(); AI != E; ++AI) { 341464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (AI != BD->param_begin()) S += ", "; 341564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParamStr = (*AI)->getNameAsString(); 341664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*AI)->getType(); 341764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 341864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 341964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 342064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 342164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ParamStr; 342264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 342364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 342464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BD->param_empty()) S += ", "; 342564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "..."; 342664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 342764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ')'; 342864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 342964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n"; 343064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 343164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create local declarations to avoid rewriting all closure decl ref exprs. 343264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // First, emit a declaration for all "by ref" decls. 343364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 343464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 343564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 343664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 343764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 343864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 343964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 344064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = TypeString + Name; 344164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 344264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 344364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Next, emit a declaration for all "by copy" declarations. 344464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 344564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 344664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 344764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 344864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 344964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedClosure)(void); 345064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 345164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 345264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherClosure)(void); 345364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherClosure = ^(void) { 345464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure(); // import and invoke the closure 345564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 345664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 345764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 345864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 345964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " = ("; 346064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 346164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ")"; 346264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 346364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 346464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 346564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 346664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 346764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 346864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 346964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 347064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + 347164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 347264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 347364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 347464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RewrittenStr = RewrittenBlockExprs[CE]; 347564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *cstr = RewrittenStr.c_str(); 347664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*cstr++ != '{') ; 347764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += cstr; 347864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\n"; 347964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 348064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 348164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 348264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 348364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 348464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 348564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 348664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static void __"; 348764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 348864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 348964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_copy_" + utostr(i); 349064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 349164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*dst, " + StructRef; 349264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 349364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 349464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 349564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 349664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_assign((void*)&dst->"; 349764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 349864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", (void*)src->"; 349964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 350064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 350164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 350264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 350364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 350464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 350564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 350664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 350764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 350864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 350964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\nstatic void __"; 351064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 351164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_dispose_" + utostr(i); 351264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 351364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 351464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 351564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 351664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 351764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_dispose((void*)src->"; 351864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 351964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 352064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 352164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 352264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 352364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 352464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 352564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 352664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 352764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 352864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 352964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 353064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 353164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Desc) { 353264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstruct " + Tag; 353364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Constructor = " " + Tag; 353464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 353564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n struct __block_impl impl;\n"; 353664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " struct " + Desc; 353764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "* Desc;\n"; 353864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 353964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "(void *fp, "; // Invoke function pointer. 354064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "struct " + Desc; // Descriptor pointer. 354164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " *desc"; 354264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 354364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 354464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 354564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 354664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 354764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 354864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 354964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 355064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 355164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 355264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedBlock)(void); 355364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 355464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 355564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherBlock)(void); 355664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherBlock = ^(void) { 355764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock(); // import and invoke the closure 355864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 355964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 356064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 356164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "struct __block_impl *"; 356264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", void *" + ArgName; 356364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 356464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 356564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 356664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 356764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->getPrintingPolicy()); 356864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->getPrintingPolicy()); 356964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 357064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 357164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + ";\n"; 357264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 357364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 357464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 357564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 357664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 357764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 357864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 357964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 358064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 358164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 358264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 358364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldName = TypeString + FieldName; 358464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgName = TypeString + ArgName; 358564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 358664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 358764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + "; // by ref\n"; 358864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 358964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 359064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0)"; 359164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by copy" arguments. 359264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool firsTime = true; 359364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 359464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 359564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 359664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 359764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 359864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 359964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 360064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 360164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 360264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 360364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 360464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 360564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 360664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 360764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by ref" arguments. 360864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 360964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 361064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 361164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 361264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 361364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 361464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 361564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 361664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 361764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 361864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 361964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " {\n"; 362164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 362264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 362364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 362464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 362564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 362664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 362864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 362964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 363064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0) {\n"; 363164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 363264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 363364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 363464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 363564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 363664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 363764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 363864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " "; 363964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "}\n"; 364064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Constructor; 364164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 364264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 364364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 364464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 364564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockDescriptor(std::string DescTag, 364664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, int i, 364764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName, 364864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy) { 364964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstatic struct " + DescTag; 365064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 365164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n unsigned long reserved;\n"; 365264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " unsigned long Block_size;\n"; 365364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 365464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*copy)(struct "; 365564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*, struct "; 365664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 365764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 365864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*dispose)(struct "; 365964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 366064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 366164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "} "; 366264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += DescTag + "_DATA = { 0, sizeof(struct "; 366464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag + ")"; 366564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 366664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 366764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 366864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 366964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 367064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 367164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 367264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 367364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 367464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName) { 367564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is used. 367664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 367764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 367864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool RewriteSC = (GlobalVarDecl && 367964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !Blocks.empty() && 368064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getStorageClass() == SC_Static && 368164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 368264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 368364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC(" void __"); 368464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 368564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "() {}"; 368664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 368764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 368864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 368964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert closures that were part of the function. 369064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 369164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 369264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 369364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block. 369464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 3695f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Exp = InnerDeclRefs[count++]; 369664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 369764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 3698f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!VD->hasAttr<BlocksAttr>()) { 3699f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockByCopyDeclsPtrSet.count(VD)) { 3700f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockByCopyDeclsPtrSet.insert(VD); 3701f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockByCopyDecls.push_back(VD); 3702f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } 3703f4b88a45902af1802a1cb42ba48b1c474474f228John McCall continue; 370464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3705f4b88a45902af1802a1cb42ba48b1c474474f228John McCall 3706f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockByRefDeclsPtrSet.count(VD)) { 370764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 370864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 370964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3710f4b88a45902af1802a1cb42ba48b1c474474f228John McCall 371164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // imported objects in the inner blocks not used in the outer 371264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 3713f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VD->getType()->isObjCObjectPointerType() || 371464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isBlockPointerType()) 371564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(VD); 371664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 371764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 371864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 371964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 372064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 372264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CI); 372464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 372664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CF); 372864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 373064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 373164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 373264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 373364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 373464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.size() > 0); 373564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, BD); 373664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 373764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 373864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 373964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 374064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 374164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 374264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 374364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 374464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 374564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 374664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // removed as result of rewriting of block literals. 374764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC; 374864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getStorageClass() == SC_Static) 374964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC = "static "; 375064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 375164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "const "; 375264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 375364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "volatile "; 375464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 375564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "restrict "; 375664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 375764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 375864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.clear(); 376064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.clear(); 376164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.clear(); 376264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs.clear(); 376364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 376464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 376564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 376664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 376764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FuncName = FD->getName(); 376864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 376964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 377064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 377164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 377264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 377364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD) { 377464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 377564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = IFace->getName(); 377664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 377764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Convert colons to underscores. 377864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type loc = 0; 377964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 378064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name.replace(loc, 1, "_"); 378164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 378264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 378364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 378464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 378564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //SourceLocation FunLocStart = MD->getLocStart(); 378664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 378764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 378864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 378964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 379064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 379164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 379264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetBlockDeclRefExprs(Stmt *S) { 379364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 379464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 379564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 379664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(CBE->getBody()); 379764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 379864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(*CI); 379964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 380064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 3801f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 3802f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DRE->refersToEnclosingLocal() && 3803f4b88a45902af1802a1cb42ba48b1c474474f228John McCall HasLocalVariableExternalStorage(DRE->getDecl())) { 3804f4b88a45902af1802a1cb42ba48b1c474474f228John McCall BlockDeclRefs.push_back(DRE); 380564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 380664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 380764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 380864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 380964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 381064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetInnerBlockDeclRefExprs(Stmt *S, 3811f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs, 381264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 381364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 381464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 381564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 381664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 381764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 381864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 381964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 382064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 382164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 382264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 382364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 382464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 382564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 382664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 382764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 3828f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 3829f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (DRE->refersToEnclosingLocal()) { 3830f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!isa<FunctionDecl>(DRE->getDecl()) && 3831f4b88a45902af1802a1cb42ba48b1c474474f228John McCall !InnerContexts.count(DRE->getDecl()->getDeclContext())) 3832f4b88a45902af1802a1cb42ba48b1c474474f228John McCall InnerBlockDeclRefs.push_back(DRE); 3833f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 3834f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (Var->isFunctionOrMethodVarDecl()) 3835f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ImportedLocalExternalDecls.insert(Var); 3836f4b88a45902af1802a1cb42ba48b1c474474f228John McCall } 383764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 383864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 384064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 384164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3842164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// convertObjCTypeToCStyleType - This routine converts such objc types 3843164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// as qualified objects, and blocks to their closest c/c++ types that 3844164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// it can. It returns true if input type was modified. 3845164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanianbool RewriteModernObjC::convertObjCTypeToCStyleType(QualType &T) { 3846164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType oldT = T; 3847164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertBlockPointerToFunctionPointer(T); 3848164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (T->isFunctionPointerType()) { 3849164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType PointeeTy; 3850164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const PointerType* PT = T->getAs<PointerType>()) { 3851164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian PointeeTy = PT->getPointeeType(); 3852164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const FunctionType *FT = PointeeTy->getAs<FunctionType>()) { 3853164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = convertFunctionTypeOfBlocks(FT); 3854164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = Context->getPointerType(T); 3855164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3856164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3857164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3858164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 3859164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertToUnqualifiedObjCType(T); 3860164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian return T != oldT; 3861164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian} 3862164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 386364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 386464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 386564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// might be block pointers to an equivalent function type replacing 386664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// all block pointers to function pointers. 386764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 386864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 386964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 387064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 387164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 387264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Res = FT->getResultType(); 3873164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool modified = convertObjCTypeToCStyleType(Res); 387464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 387564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 387664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 387764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 387864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 387964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 3880164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (convertObjCTypeToCStyleType(t)) 3881164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian modified = true; 388264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 388364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 388464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 388564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FuncType; 3886164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (modified) 388764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 388864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else FuncType = QualType(FT, 0); 388964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FuncType; 389064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 389164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 389364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Navigate to relevant type information. 389464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *CPT = 0; 389564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 389764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = DRE->getType()->getAs<BlockPointerType>(); 389864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 389964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = MExpr->getType()->getAs<BlockPointerType>(); 390064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 390164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 390264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 390364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 390464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 390564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 390664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ConditionalOperator *CEXPR = 390764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 390864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 390964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 391064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 391164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 391264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 391364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 391464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(CONDExp, 391564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 391664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 391764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, OK_Ordinary); 391864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CondExpr; 391964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 392064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 392164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const PseudoObjectExpr *POE 392264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<PseudoObjectExpr>(BlockExp)) { 392364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = POE->getType()->castAs<BlockPointerType>(); 392464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 392564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(1 && "RewriteBlockClass: Bad type"); 392664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 392764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CPT && "RewriteBlockClass: Bad type"); 392864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 392964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "RewriteBlockClass: Bad type"); 393064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 393164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 393264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 393464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 393564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__block_impl")); 393664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 393764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 393964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 394064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 394164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push the block argument type. 394264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(PtrBlock); 394364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 394464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 394564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 394664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 394764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 394864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 394964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(t); 395064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 395164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 395264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 395364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the pointer to function cast. 395464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrToFuncCastType 395564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 395664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 395764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 395864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 395964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 396064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 396164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const_cast<Expr*>(BlockExp)); 396264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 396364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 396464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkCast); 396564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //PE->dump(); 396664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 396764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 396864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 396964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("FuncPtr"), 397064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 397164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 397264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 397364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 397464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 397564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 397664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 397964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, ME); 398064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 398164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 398264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> BlkExprs; 398364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the implicit argument. 398464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(BlkCast); 398564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the user arguments. 398664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CallExpr::arg_iterator I = Exp->arg_begin(), 398764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = Exp->arg_end(); I != E; ++I) { 398864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(*I); 398964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 399064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 399164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.size(), 399264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, 399364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 399464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CE; 399564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 399664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 399764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// We need to return the rewritten expression to handle cases where the 3998f4b88a45902af1802a1cb42ba48b1c474474f228John McCall// DeclRefExpr is embedded in another expression being rewritten. 399964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// For example: 400064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 400164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// int main() { 400264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block Foo *f; 400364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block int i; 400464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 400564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// void (^myblock)() = ^() { 4006f4b88a45902af1802a1cb42ba48b1c474474f228John McCall// [f test]; // f is a DeclRefExpr embedded in a message (which is being rewritten). 400764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// i = 77; 400864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// }; 400964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//} 4010f4b88a45902af1802a1cb42ba48b1c474474f228John McCallStmt *RewriteModernObjC::RewriteBlockDeclRefExpr(DeclRefExpr *DeclRefExp) { 401164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 401264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 4013f4b88a45902af1802a1cb42ba48b1c474474f228John McCall ValueDecl *VD = DeclRefExp->getDecl(); 4014f4b88a45902af1802a1cb42ba48b1c474474f228John McCall bool isArrow = DeclRefExp->refersToEnclosingLocal(); 401564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 401764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 401864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__forwarding"), 401964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 402064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 402164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 402264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 402364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD, SourceLocation(), 402464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 402564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 402664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 402764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Name = VD->getName(); 402864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 402964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(Name), 403064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 403164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 403264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 403364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 403464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getType(), VK_LValue, OK_Ordinary); 403564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 403664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 403764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 403864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 403964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(), 404064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getExprLoc(), 404164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME); 404264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DeclRefExp, PE); 404364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 404464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 404564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 404664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Rewrites the imported local variable V with external storage 404764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// (static, extern, etc.) as *V 404864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 404964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 405064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 405164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 405264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 405364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return DRE; 405464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 405564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary, 405664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getLocation()); 405764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 405864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 405964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp); 406064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DRE, PE); 406164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 406264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 406364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 406464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCastExpr(CStyleCastExpr *CE) { 406564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CE->getLParenLoc(); 406664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CE->getRParenLoc(); 406764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 406864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite synthesized casts. 406964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 407064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 407164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite casts contained in macros. 407264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 407364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 407464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 407664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 407764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = CE->getType(); 407864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 407964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 408064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 408164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 408264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString = "("; 408364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 408464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += ")"; 408564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 408664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 408764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 408864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 408964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startBuf; 409064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 409164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && (argPtr < endBuf)) { 409264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 409364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 409464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 409564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart = LocStart.getLocWithOffset(argPtr-startBuf); 409664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 1, "*"); 409764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 409864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 409964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 410064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 410164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 410264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 410364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 410464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = FD->getLocation(); 410564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 0; 410664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 410764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have 1 or more arguments that have closure pointers. 410864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 410964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startArgList = strchr(startBuf, '('); 411064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 411164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 411264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 411364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 411464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 411564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf); 411664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 411764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 411864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startArgList; 411964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 412064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && parenCount) { 412164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 412264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 412364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 412464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList); 412564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, 1, "*"); 412664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 412764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 412864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 412964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 413064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 413164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount--; 413264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 413364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 413664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 413764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 413864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 413964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 414064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 414164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 414264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 414364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 414464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 414564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 414664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 414764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 414864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 414964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 415064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) 415164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) 415264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 415364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 415464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 415564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 415664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 415764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 415864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 415964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 416064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 416164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 416264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 416364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 416464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 416564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 416664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 416764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 416864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 416964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 417064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 417164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 417264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 417364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 417464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 417564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 417964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 418064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 418164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 418264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen) { 418364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = strchr(Name, '('); 418464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 418564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 418664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LParen = argPtr; // output the start. 418764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; // skip past the left paren. 418864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 1; 418964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 419064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr && parenCount) { 419164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 419264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': parenCount++; break; 419364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': parenCount--; break; 419464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: break; 419564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 419664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (parenCount) argPtr++; 419764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 419864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 419964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RParen = argPtr; // output the end 420064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 420164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 420264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 420364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 420464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerFunctionArgs(FD); 420564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 420664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 420764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle Variables and Typedefs. 420864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getLocation(); 420964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType DeclT; 421064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 421164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = VD->getType(); 421264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND)) 421364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = TDD->getUnderlyingType(); 421464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 421564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = FD->getType(); 421664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 421764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled"); 421864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 421964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 422064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 422164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan backward (from the decl location) for the end of the previous decl. 422264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 422364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; 422464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf); 422564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 422664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned OrigLength=0; 422764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // *startBuf != '^' if we are dealing with a pointer to function that 422864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // may take block argument types (which will be handled below). 422964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '^') { 423064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*', computing a negative offset. 423164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = '*'; 423264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 423364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 423464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 423564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ')') { 423664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *startBuf; 423764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 423864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 423964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 424064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 424164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 424264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 424364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 424464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 424564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*' for arguments. 424664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace id<P> with id/*<>*/ 424764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 424864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(DeclLoc); 424964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argListBegin, *argListEnd; 425064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetExtentOfArgList(startBuf, argListBegin, argListEnd); 425164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (argListBegin < argListEnd) { 425264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argListBegin == '^') 425364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += '*'; 425464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argListBegin == '<') { 425564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/*"; 425664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 425764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++;; 425864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argListBegin != '>') { 425964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 426064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 426164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 426264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 426364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "*/"; 426464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 426564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 426664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 426764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argListBegin++; 426864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 426964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 427064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 427164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 427264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 427364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 427464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 427564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 427664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 427764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 427864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 427964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 428064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 428164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct Block_byref_id_object *src) { 428264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 428364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 428464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 428564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 428664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 428764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 428864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 428964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// And: 429064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 429164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 429264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 429364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 429464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 429564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 429664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 429764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 429864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 429964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 430064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag) { 430164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 430264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CopyDestroyCache.count(flag)) 430364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 430464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CopyDestroyCache.insert(flag); 430564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 430664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 430764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *dst, void *src) {\n"; 430864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 430964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // offset into the object pointer is computed as: 431064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void * + void* + int + int + void* + void * 431164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 431264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 431364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned VoidPtrSize = 431464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 431564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 431664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth(); 431764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 431864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 431964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 432064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 432164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 432264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 432364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 432464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 432564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 432664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 432764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *src) {\n"; 432864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 432964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 433064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 433164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 433264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 433364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 433464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 433564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 433664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 433764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// the declaration into: 433864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND { 433964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 434064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND *__forwarding; 434164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __flags; 434264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __size; 434364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 434464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 434564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// typex ND; 434664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// }; 434764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 434864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It then replaces declaration of ND variable with: 434964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 435064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 435164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ND=initializer-if-any}; 435264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 435364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 435464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefVar(VarDecl *ND) { 435564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is 435664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // used. 435764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 435864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 435964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = 0; 436064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int isa = 0; 436164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 436264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclLoc.isInvalid()) 436364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 436464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Use variable's location which is good for this case. 436564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 436664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 436764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 436864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 436964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 437064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 437164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ByrefType; 437264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 437364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " {\n"; 437464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void *__isa;\n"; 437564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 437664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " *__forwarding;\n"; 437764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __flags;\n"; 437864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __size;\n"; 437964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 438064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 438164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 438264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 438364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 438464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 438564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 438664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 438764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 438864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType T = Ty; 438964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(T); 439064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T.getAsStringInternal(Name, Context->getPrintingPolicy()); 439164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 439264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + ";\n"; 439364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 439464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert this type in global scope. It is needed by helper function. 439564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart; 439664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 439764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 439864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 439964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 440064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 440164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 440264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, ByrefType); 440364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty.isObjCGCWeak()) { 440464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 440564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa = 1; 440664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 440764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 440864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 440964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 441064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 441164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 441264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType()) 441364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 441464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 441564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 441664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 441764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!HF.empty()) 441864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 441964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 442164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __Block_byref_ND ND = 442264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 442364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // initializer-if-any}; 442464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasInit = (ND->getInit() != 0); 442564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned flags = 0; 442664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) 442764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 442864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = ND->getNameAsString(); 442964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType.clear(); 443064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 443164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ForwardingCastType("("); 443264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ForwardingCastType += ByrefType + " *)"; 443364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!hasInit) { 443464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 443564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 443664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 443764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 443864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 443964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 444064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 444164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ")"; 444264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 444364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 444464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 444564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 444664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 444764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 444864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 444964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned nameSize = Name.size(); 445064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for block or function pointer declaration. Name is aleady 445164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // part of the declaration. 445264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType() || Ty->isFunctionPointerType()) 445364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian nameSize = 1; 445464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType); 445564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 445664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 445764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 445864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 445964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 446064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 446164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 446264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 446364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 446464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 446564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name; 446664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " = {(void*)"; 446764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 446864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 446964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 447064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 447164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 447264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 447364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "), "; 447464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 447564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 447664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 447764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 447864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 447964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 448064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 448164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 448264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the newly synthesized compound expression by inserting a right 448464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // curly brace before the end of the declaration. 448564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This approach avoids rewriting the initializer expression. It 448664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // also assumes there is only one declarator. For example, the following 448764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // isn't currently supported by this routine (in general): 448864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 448964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 449064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 449164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 449264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 449364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 449464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = 449564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startInitializerBuf); 449664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 449764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(semiLoc, "}"); 449864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 449964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 450064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 450164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 450364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 450464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(Exp->getBody()); 450564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 450664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by copy" declarations. 450764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4508f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) { 450964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 451064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 451164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 451264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 451364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 451464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by ref" declarations. 451564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4516f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>()) { 451764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 451864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 451964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 452064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 452164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 452264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 452364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 4524f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (BlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() || 452564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 452664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 452764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 452864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 452964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 453064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 453164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianFunctionDecl *RewriteModernObjC::SynthBlockInitFunctionDecl(StringRef name) { 453264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(name); 453364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 453464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FunctionDecl::Create(*Context, TUDecl, SourceLocation(), 453564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, FType, 0, SC_Extern, 453664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false, false); 453764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 453864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 453964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthBlockInitExpr(BlockExpr *Exp, 4540f4b88a45902af1802a1cb42ba48b1c474474f228John McCall const SmallVector<DeclRefExpr *, 8> &InnerBlockDeclRefs) { 454164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockDecl *block = Exp->getBlockDecl(); 454264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.push_back(Exp); 454364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 454464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Exp); 454564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 454664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add inner imported variables now used in current block. 454764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int countOfInnerDecls = 0; 454864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 454964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 4550f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Exp = InnerBlockDeclRefs[i]; 455164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 4552f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (!VD->hasAttr<BlocksAttr>() && !BlockByCopyDeclsPtrSet.count(VD)) { 455364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We need to save the copied-in variables in nested 455464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks because it is needed at the end for some of the API generations. 455564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See SynthesizeBlockLiterals routine. 455664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 455764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 455864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 455964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 456064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 4561f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (VD->hasAttr<BlocksAttr>() && !BlockByRefDeclsPtrSet.count(VD)) { 456264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 456364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 456464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 456564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 456664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 456964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 4570f4b88a45902af1802a1cb42ba48b1c474474f228John McCall if (InnerBlockDeclRefs[i]->getDecl()->hasAttr<BlocksAttr>() || 457164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 457264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 457364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 457464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 457564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 457664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 457764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 457864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 457964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 458064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = CurFunctionDef->getNameAsString(); 458164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CurMethodDef) 458264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 458364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (GlobalVarDecl) 458464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = std::string(GlobalVarDecl->getNameAsString()); 458564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 458664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BlockNumber = utostr(Blocks.size()-1); 458764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 458864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber; 458964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 459064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 459164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get a pointer to the function type so we can cast appropriately. 459264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 459364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 459464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 459564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD; 459664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *NewRep; 459764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 459864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 459964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Tag); 4600f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, false, FType, VK_RValue, 460164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 460264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 460464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block function. 460664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Func); 4607f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), 4608f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 460964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 461064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 461164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(castExpr); 461264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 461364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block descriptor. 461464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 461564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 461664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, 461764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 461864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(DescData.c_str()), 461964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 462064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Static, SC_None); 462164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryOperator *DescRefExpr = 4622f4b88a45902af1802a1cb42ba48b1c474474f228John McCall new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, false, 462364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 462464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, 462564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()), 462664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UO_AddrOf, 462764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 462864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 462964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 463064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(DescRefExpr); 463164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 463264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 463364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 463464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp; 463564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 463664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 463764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 463864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isObjCType((*I)->getType())) { 463964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Conform to ABI ([[obj retain] autorelease]). 464064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4641f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), 4642f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 464364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 464464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 464564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 464664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 464764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 464864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 464964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (isTopLevelBlockPointerType((*I)->getType())) { 465064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4651f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Arg = new (Context) DeclRefExpr(FD, false, FD->getType(), 4652f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 465364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 465464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 465564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 465664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4657f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), 4658f4b88a45902af1802a1cb42ba48b1c474474f228John McCall VK_LValue, SourceLocation()); 465964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 466064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 466164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 466264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 466364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 466464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 466864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 467064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 467164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 467264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *ND = (*I); 467364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 467464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName; 467564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 467664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 467764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian + sizeof("struct")); 467864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 467964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 468064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 468164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 468264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 468364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 468464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 4685f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Exp = new (Context) DeclRefExpr(FD, false, FD->getType(), VK_LValue, 468664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 468764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isNestedCapturedVar = false; 468864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (block) 468964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::capture_const_iterator ci = block->capture_begin(), 469064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ce = block->capture_end(); ci != ce; ++ci) { 469164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const VarDecl *variable = ci->getVariable(); 469264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (variable == ND && ci->isNested()) { 469364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert (ci->isByRef() && 469464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "SynthBlockInitExpr - captured block variable is not byref"); 469564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isNestedCapturedVar = true; 469664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 469764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 469864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 469964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // captured nested byref variable has its address passed. Do not take 470064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // its address again. 470164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isNestedCapturedVar) 470264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 470364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Exp->getType()), 470464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 470564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 470664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 470764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 470864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 470964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 471064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 471164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 471264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 471364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 471464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 471564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, SourceLocation()); 471664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(FlagExp); 471764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 471864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 471964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FType, VK_LValue, SourceLocation()); 472064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 472164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(NewRep->getType()), 472264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 472364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 472464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep); 472564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 472664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 472764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 472864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 472964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 473064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 473164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return NewRep; 473264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 473364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 473464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) { 473564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCForCollectionStmt * CS = 473664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(Stmts.back())) 473764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CS->getElement() == DS; 473864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 473964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 474064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 474264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Function Body / Expression rewriting 474364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 474464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 474664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 474764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) 474864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 474964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (isa<ObjCForCollectionStmt>(S)) { 475064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 475164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.push_back(++BcLabelCount); 475264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 475364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Pseudo-object operations and ivar references need special 475564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // treatment because we're going to recursively rewrite them. 475664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) { 475764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) { 475864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitSetter(PseudoOp); 475964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 476064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitGetter(PseudoOp); 476164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 476264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 476364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCIvarRefExpr(IvarRefExpr); 476464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 476564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 476664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 476764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 476864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up rewrite of all children. 476964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 477064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 477164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *childStmt = (*CI); 477264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt); 477364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (newStmt) { 477464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *CI = newStmt; 477564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 477864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 4779f4b88a45902af1802a1cb42ba48b1c474474f228John McCall SmallVector<DeclRefExpr *, 8> InnerBlockDeclRefs; 478064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 478164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 478264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 478364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 478464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, InnerContexts); 478564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the block body in place. 478664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 478764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = BE->getBody(); 478864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 478964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal on rhs of a property-dot-sytax assignment 479064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // must be replaced by its synthesize ast so getRewrittenText 479164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // works as expected. In this case, what actually ends up on RHS 479264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is the blockTranscribed which is the helper function for the 479364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal; as in: self.c = ^() {[ace ARR];}; 479464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool saveDisableReplaceStmt = DisableReplaceStmt; 479564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 479664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 479764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = saveDisableReplaceStmt; 479864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = SaveCurrentBody; 479964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 480064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 480164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now we snarf the rewritten text and stash it away for later use. 480264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 480364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs[BE] = Str; 480464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 480564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 480664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 480764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //blockTranscribed->dump(); 480864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, blockTranscribed); 480964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return blockTranscribed; 481064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 481264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 481364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtEncode(AtEncode); 481464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 481564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 481664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtSelector(AtSelector); 481764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 481864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 481964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCStringLiteral(AtString); 482064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 482164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 482264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 482364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Before we rewrite it, put the original message expression in a comment. 482464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = MessExpr->getLocStart(); 482564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = MessExpr->getLocEnd(); 482664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 482764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 482864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 482964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 483064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string messString; 483164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "// "; 483264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString.append(startBuf, endBuf-startBuf+1); 483364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "\n"; 483464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 483564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Missing definition of 483664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(clang::SourceLocation, char const*, unsigned int). 483764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(startLoc, messString.c_str(), messString.size()); 483864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Tried this, but it didn't work either... 483964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 484064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 484164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteMessageExpr(MessExpr); 484264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 484464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 484564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCTryStmt(StmtTry); 484664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 484764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 484864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCSynchronizedStmt(StmtTry); 484964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 485064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 485164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCThrowStmt(StmtThrow); 485264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 485364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 485464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCProtocolExpr(ProtocolExp); 485564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 485664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCForCollectionStmt *StmtForCollection = 485764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(S)) 485864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCForCollectionStmt(StmtForCollection, 485964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigStmtRange.getEnd()); 486064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BreakStmt *StmtBreakStmt = 486164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BreakStmt>(S)) 486264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBreakStmt(StmtBreakStmt); 486364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ContinueStmt *StmtContinueStmt = 486464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ContinueStmt>(S)) 486564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteContinueStmt(StmtContinueStmt); 486664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 486764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 486864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and cast exprs. 486964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 487064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: What we're doing here is modifying the type-specifier that 487164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // precedes the first Decl. In the future the DeclGroup should have 487264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // a separate type-specifier that we can rewrite. 487364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE: We need to avoid rewriting the DeclStmt if it is within 487464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the context of an ObjCForCollectionStmt. For example: 487564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NSArray *someArray; 487664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for (id <FooProtocol> index in someArray) ; 487764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is because RewriteObjCForCollectionStmt() does textual rewriting 487864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and it depends on the original text locations/positions. 487964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS)) 488064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 488164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 488264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks rewrite rules. 488364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 488464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DE; ++DI) { 488564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Decl *SD = *DI; 488664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 488764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(ND->getType())) 488864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(ND); 488964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (ND->getType()->isFunctionPointerType()) 489064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(ND->getType(), ND); 489164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 489264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 489364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 489464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 489564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 489664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 489764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefVar(VD); 489864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 489964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 490064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeOfDecl(VD); 490164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) { 490464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 490564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 490664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 490764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 490864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 491264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 491364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(CE); 491464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 491564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 491664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) { 491764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "Statement stack is empty"); 491864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 491964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 492064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian && "Statement stack mismatch"); 492164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 492264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 492364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle blocks rewriting. 492464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 492564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 492664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 492764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 492864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 492964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 493064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 493264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 493364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getCallee()->getType()->isBlockPointerType()) { 493464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 493564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, BlockCall); 493664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return BlockCall; 493764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 494064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 494164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 494264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 494364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 494464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 494564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ICE->getSubExpr(), 494664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 494764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 494864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 494964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream Buf(SStr); 495064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement->printPretty(Buf, *Context); 495164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = Buf.str(); 495264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 495364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian printf("CAST = %s\n", &Str[0]); 495464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 495564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete S; 495664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 495764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 495964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Return this stmt unmodified. 496064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 496164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 496264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 496364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteRecordBody(RecordDecl *RD) { 496464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 496564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 496664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = *i; 496764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(FD->getType())) 496864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(FD); 496964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getType()->isObjCQualifiedIdType() || 497064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType()->isObjCQualifiedInterfaceType()) 497164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 497264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 497464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// HandleDeclInMainFile - This is called for each top-level decl defined in the 497664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// main file of the input. 497764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleDeclInMainFile(Decl *D) { 497864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (D->getKind()) { 497964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Function: { 498064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD = cast<FunctionDecl>(D); 498164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->isOverloadedOperator()) 498264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 498364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 498464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since function prototypes don't have ParmDecl's, we check the function 498564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // prototype. This enables us to rewrite function declarations and 498664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // definitions using the same code. 498764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(FD->getType(), FD); 498864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49899335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 49909335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis break; 49919335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis 499264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 499364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 499464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = FD; 499564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 499664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 499764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 499864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 499964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->setBody(Body); 500064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 500164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 500264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 500364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 500464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 500564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This synthesizes and inserts the block "impl" struct, invoke function, 500664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and any copy/dispose helper functions. 500764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinFunction(FD); 500864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 500964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 501064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 501164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 501264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 501364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCMethod: { 501464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D); 501564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = MD->getCompoundBody()) { 501664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = MD; 501764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 501864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 501964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 502064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MD->setBody(Body); 502164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 502264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 502364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 502464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 502564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 502664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinMethod(MD); 502764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 502864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 502964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 503064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 503164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCImplementation: { 503264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D); 503364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassImplementation.push_back(CI); 503464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 503564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 503664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCCategoryImpl: { 503764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D); 503864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CategoryImplementation.push_back(CI); 503964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 504064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 504164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Var: { 504264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = cast<VarDecl>(D); 504364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(VD); 504464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(VD->getType())) 504564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(VD); 504664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isFunctionPointerType()) { 504764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(VD->getType(), VD); 504864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 504964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 505064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 505164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 505264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 505364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VD->getType()->isRecordType()) { 505464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 505564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 505664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 505764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 505864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 505964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = VD; 506064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = VD->getInit(); 506164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 506264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 506364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 506464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 506564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 506664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 506764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName()); 506864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 506964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 507064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed for blocks. 507164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 507264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 507364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 507464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 507564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 507664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 507764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::TypeAlias: 507864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Typedef: { 507964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) { 508064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 508164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 508264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 508364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 508464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 508564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 508664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 508764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::CXXRecord: 508864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Record: { 508964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = cast<RecordDecl>(D); 509064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 509164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 509264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 509364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 509464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 509564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 509664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 509764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Nothing yet. 509864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 509964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 510064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTranslationUnit(ASTContext &C) { 510164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 510264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 510364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 510464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteInclude(); 510564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 510664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here's a great place to add any extra declarations that may be needed. 510764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write out meta data for each @protocol(<expr>). 510864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 510964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ProtocolExprDecls.end(); I != E; ++I) 5110da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Preamble); 511164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 511264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 511357317788289549d61ada868d07792b637a32d52eFariborz Jahanian for (unsigned i = 0, e = ObjCInterfacesSeen.size(); i < e; i++) { 511457317788289549d61ada868d07792b637a32d52eFariborz Jahanian ObjCInterfaceDecl *CDecl = ObjCInterfacesSeen[i]; 511557317788289549d61ada868d07792b637a32d52eFariborz Jahanian // Write struct declaration for the class matching its ivar declarations. 511657317788289549d61ada868d07792b637a32d52eFariborz Jahanian // Note that for modern abi, this is postponed until the end of TU 511757317788289549d61ada868d07792b637a32d52eFariborz Jahanian // because class extensions and the implementation might declare their own 511857317788289549d61ada868d07792b637a32d52eFariborz Jahanian // private ivars. 511957317788289549d61ada868d07792b637a32d52eFariborz Jahanian RewriteInterfaceDecl(CDecl); 512057317788289549d61ada868d07792b637a32d52eFariborz Jahanian } 512172c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 512264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size()) 512364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementations(); 512464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 512564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the buffer corresponding to MainFileID. If we haven't changed it, then 512664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we are done. 512764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const RewriteBuffer *RewriteBuf = 512864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.getRewriteBufferFor(MainFileID)) { 512964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //printf("Changed:\n"); 513064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 513164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 513264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::errs() << "No changes\n"; 513364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 513464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 513564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size() || 513664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.size()) { 513764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite Objective-c meta data* 513864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 513964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMetaDataIntoBuffer(ResultStr); 514064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Emit metadata. 514164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << ResultStr; 514264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 514364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OutFile->flush(); 514464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 514564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 514664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::Initialize(ASTContext &context) { 514764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitializeCommon(context); 514864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 51496991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#ifndef __OBJC2__\n"; 51506991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#define __OBJC2__\n"; 51516991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian Preamble += "#endif\n"; 51526991bc5a45b6d334a19e1ba995c8aea16553973bFariborz Jahanian 515364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declaring objc_selector outside the parameter list removes a silly 515464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scope related warning... 515564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IsHeader) 515664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble = "#pragma once\n"; 515764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_selector; struct objc_class;\n"; 515864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __rw_objc_super { struct objc_object *object; "; 515964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_object *superClass; "; 516064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 51611ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian // Define all sections using syntax that makes sense. 51621ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "\n#pragma section(\".datacoal_nt$B\", long, read, write)\n"; 51631ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".cat_cls_meth$B\", long, read, write)\n"; 51641ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".objc_classlist$B\", long, read, write)\n"; 51651ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".objc_catlist$B\", long, read, write)\n"; 51661ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".inst_meth$B\", long, read, write)\n"; 51671ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Preamble += "#pragma section(\".cls_meth$B\", long, read, write)\n"; 51681ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian 516964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add a constructor for creating temporary objects. 517064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 517164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ": "; 517264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "object(o), superClass(s) {} "; 517364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 517464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 517564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 517664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "typedef struct objc_object Protocol;\n"; 517764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define _REWRITER_typedef_Protocol\n"; 517864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 517964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 518064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 518164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 518264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 518364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 518464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend"; 518564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 518664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper"; 518764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 518864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSend_stret"; 518964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 519064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSendSuper_stret"; 519164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 519264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret"; 519364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 519464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 519564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 519664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 519764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 519864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 519964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 520064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n"; 520164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n"; 520264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n"; 520364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n"; 520464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match"; 520564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *, struct objc_object *);\n"; 520664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @synchronized hooks. 520764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter(struct objc_object *);\n"; 520864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit(struct objc_object *);\n"; 520964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 521064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 521164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __objcFastEnumerationState {\n\t"; 521264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long state;\n\t"; 521364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "void **itemsPtr;\n\t"; 521464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long *mutationsPtr;\n\t"; 521564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long extra[5];\n};\n"; 521664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 521764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __FASTENUMERATIONSTATE\n"; 521864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 521964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 522064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __NSConstantStringImpl {\n"; 522164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int *isa;\n"; 522264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int flags;\n"; 522364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " char *str;\n"; 522464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " long length;\n"; 522564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 522664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 522764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 522864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 522964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 523064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 523164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 523264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 523364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks preamble. 523464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef BLOCK_IMPL\n"; 523564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define BLOCK_IMPL\n"; 523664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __block_impl {\n"; 523764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *isa;\n"; 523864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Flags;\n"; 523964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Reserved;\n"; 524064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *FuncPtr;\n"; 524164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 524264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 524364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 524464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 524564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 524664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 524764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 524864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 524964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 525064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 525164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 525264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 525364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 525464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 525564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 525664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 525764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 525864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 525964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 526064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __attribute__(X)\n"; 526164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 526264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 526364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 526464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 526564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __block\n"; 526664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 526764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 526864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 526964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 527064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 527164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 527264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 527364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteIvarOffsetComputation - This rutine synthesizes computation of 527464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ivar offset. 527564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 527664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 527764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ivar->isBitField()) { 527864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 527964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // place all bitfields at offset 0. 528064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "0"; 528164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 528264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 528364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 528464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 528564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 528664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", "; 528764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getNameAsString(); 528864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ")"; 528964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 529064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 529164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 529264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// WriteModernMetadataDeclarations - Writes out metadata declarations for modern ABI. 529364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t { 5294da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian/// const char *name; 529564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *attributes; 529664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 529764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 529864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_list_t { 529964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _prop_t) 530064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t count_of_properties; 530164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t prop_list[count_of_properties]; 530264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 530364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 530464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t; 530564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 530664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_list_t { 530764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// long protocol_count; // Note, this is 32/64 bit 530864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t * protocol_list[protocol_count]; 530964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 531064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 531164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method { 531264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SEL _cmd; 531377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian/// const char *method_type; 531464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *_imp; 531564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 531664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 531764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _method_list_t { 531864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _objc_method) 531964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t method_count; 532064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method method_list[method_count]; 532164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 532264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 532364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t { 532464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id isa; // NULL 532564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char * const protocol_name; 532664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _protocol_list_t * protocol_list; // super protocols 532764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t * const instance_methods; 532864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t * const class_methods; 532964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalInstanceMethods; 533064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalClassMethods; 533164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _prop_list_t * properties; 533264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t size; // sizeof(struct _protocol_t) 533364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t flags; // = 0 533464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char ** extendedMethodTypes; 533564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 533664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 533742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_t { 533842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// unsigned long int *offset; // pointer to ivar offset location 5339ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *name; 5340ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *type; 534142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t alignment; 534242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t size; 534342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 534442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 534542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_list_t { 534642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 entsize; // sizeof(struct _ivar_t) 534742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 count; 5348ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// struct _ivar_t list[count]; 534942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 535042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 535142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_ro_t { 535242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const flags; 535342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const instanceStart; 535442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const instanceSize; 535542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const reserved; // only when building for 64bit targets 535642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const uint8_t * const ivarLayout; 535742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const char *const name; 535842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _method_list_t * const baseMethods; 53590a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian/// const struct _protocol_list_t *const baseProtocols; 536042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _ivar_list_t *const ivars; 536142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const uint8_t * const weakIvarLayout; 536242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _prop_list_t * const properties; 536342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 536442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 536542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t { 536642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t *isa; 536742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t * const superclass; 536842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// void *cache; 536942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP *vtable; 53703f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian/// struct _class_ro_t *ro; 537142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 537242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 537342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _category_t { 537442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const char * const name; 537542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t *const cls; 537642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _method_list_t * const instance_methods; 537742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _method_list_t * const class_methods; 537842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _protocol_list_t * const protocols; 537942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _prop_list_t * const properties; 538042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 538142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 538242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// MessageRefTy - LLVM for: 538342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _message_ref_t { 538442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP messenger; 538542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 538642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 538742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 538842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SuperMessageRefTy - LLVM for: 538942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _super_message_ref_t { 539042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SUPER_IMP messenger; 539142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 539242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 539342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 539464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void WriteModernMetadataDeclarations(std::string &Result) { 539564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool meta_data_declared = false; 539664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (meta_data_declared) 539764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 539864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 539964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _prop_t {\n"; 5400da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *name;\n"; 5401da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *attributes;\n"; 540264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 540364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 540464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t;\n"; 540564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 540664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 540764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct objc_selector * _cmd;\n"; 540877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tconst char *method_type;\n"; 540990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "\tvoid *_imp;\n"; 541064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 541164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 541264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t {\n"; 541364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid * isa; // NULL\n"; 541464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char * const protocol_name;\n"; 541564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _protocol_list_t * protocol_list; // super protocols\n"; 541664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t * const instance_methods;\n"; 541764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t * const class_methods;\n"; 541864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalInstanceMethods;\n"; 541964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalClassMethods;\n"; 542064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _prop_list_t * properties;\n"; 542164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int size; // sizeof(struct _protocol_t)\n"; 542264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int flags; // = 0\n"; 542364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char ** extendedMethodTypes;\n"; 542464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 542564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 542642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _ivar_t {\n"; 542742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned long int *offset; // pointer to ivar offset location\n"; 5428ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *name;\n"; 5429ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *type;\n"; 543042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int alignment;\n"; 543142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int size;\n"; 543242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 543342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 543442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_ro_t {\n"; 543542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int const flags;\n"; 543642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int instanceStart;\n"; 543742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int const instanceSize;\n"; 543842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int const reserved; // only when building for 64bit targets\n"; 543942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst unsigned char * const ivarLayout;\n"; 544042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst char *const name;\n"; 544142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _method_list_t * const baseMethods;\n"; 544242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _objc_protocol_list *const baseProtocols;\n"; 544342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _ivar_list_t *const ivars;\n"; 544442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst unsigned char *const weakIvarLayout;\n"; 544542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _prop_list_t *const properties;\n"; 544642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 544742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 544842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_t {\n"; 544942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *isa;\n"; 545042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *const superclass;\n"; 545142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *cache;\n"; 545242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *vtable;\n"; 54533f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\tstruct _class_ro_t *ro;\n"; 545442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 545542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 545642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _category_t {\n"; 545742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst char * const name;\n"; 545842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *const cls;\n"; 545942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _method_list_t *const instance_methods;\n"; 546042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _method_list_t *const class_methods;\n"; 546142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _protocol_list_t *const protocols;\n"; 546242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _prop_list_t *const properties;\n"; 546342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 546442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 54653f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "extern void *_objc_empty_cache;\n"; 54663f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "extern void *_objc_empty_vtable;\n"; 54673f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 546864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian meta_data_declared = true; 546964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 547064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 5471da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_t_TypeDecl(std::string &Result, 5472da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian long super_protocol_count) { 5473da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "struct /*_protocol_list_t*/"; Result += " {\n"; 5474da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tlong protocol_count; // Note, this is 32/64 bit\n"; 5475da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tstruct _protocol_t *super_protocols["; 5476da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += utostr(super_protocol_count); Result += "];\n"; 5477da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "}"; 5478da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5479da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 548077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanianstatic void Write_method_list_t_TypeDecl(std::string &Result, 548177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian unsigned int method_count) { 548277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "struct /*_method_list_t*/"; Result += " {\n"; 548377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _objc_method)\n"; 548477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int method_count;\n"; 548577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tstruct _objc_method method_list["; 548677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += utostr(method_count); Result += "];\n"; 548777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "}"; 548877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 548977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5490da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanianstatic void Write__prop_list_t_TypeDecl(std::string &Result, 5491da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian unsigned int property_count) { 5492da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "struct /*_prop_list_t*/"; Result += " {\n"; 5493da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5494da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int count_of_properties;\n"; 5495da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tstruct _prop_t prop_list["; 5496da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += utostr(property_count); Result += "];\n"; 5497da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}"; 5498da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5499da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 5500ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_TypeDecl(std::string &Result, 5501ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian unsigned int ivar_count) { 5502ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "struct /*_ivar_list_t*/"; Result += " {\n"; 5503ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5504ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int count;\n"; 5505ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tstruct _ivar_t ivar_list["; 5506ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += utostr(ivar_count); Result += "];\n"; 5507ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}"; 5508ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5509ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5510da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_initializer(ASTContext *Context, std::string &Result, 5511da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ArrayRef<ObjCProtocolDecl *> SuperProtocols, 5512da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef VarName, 5513da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef ProtocolName) { 5514da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 5515da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\nstatic "; 5516da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_t_TypeDecl(Result, SuperProtocols.size()); 5517da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " "; Result += VarName; 5518da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ProtocolName; 5519da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5520da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t"; Result += utostr(SuperProtocols.size()); Result += ",\n"; 5521da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (unsigned i = 0, e = SuperProtocols.size(); i < e; i++) { 5522da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ObjCProtocolDecl *SuperPD = SuperProtocols[i]; 5523da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t&"; Result += "_OBJC_PROTOCOL_"; 5524da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += SuperPD->getNameAsString(); 5525da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (i == e-1) 5526da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\n};\n"; 5527da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 5528da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ",\n"; 5529da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5530da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5531da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5532da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 553390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanianstatic void Write_method_list_t_initializer(RewriteModernObjC &RewriteObj, 553490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ASTContext *Context, std::string &Result, 553577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 553677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian StringRef VarName, 553790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian StringRef TopLevelDeclName, 553890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian bool MethodImpl) { 553977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (Methods.size() > 0) { 554077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\nstatic "; 554177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_TypeDecl(Result, Methods.size()); 554277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " "; Result += VarName; 554390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += TopLevelDeclName; 554477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 554577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += "sizeof(_objc_method)"; Result += ",\n"; 554677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += utostr(Methods.size()); Result += ",\n"; 554777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 554877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 554977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == 0) 555077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{{(struct objc_selector *)\""; 555177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 555277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{(struct objc_selector *)\""; 555377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += (MD)->getSelector().getAsString(); Result += "\""; 555477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 555577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::string MethodTypeString; 555677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString); 555777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\""; Result += MethodTypeString; Result += "\""; 555877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 555990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!MethodImpl) 556090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "0"; 556190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian else { 556290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "(void *)"; 556390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += RewriteObj.MethodInternalNames[MD]; 556490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 556577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == e-1) 556690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "}}\n"; 556777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 556890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "},\n"; 556977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 557077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "};\n"; 557177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 557277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 557377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5574f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write_prop_list_t_initializer(RewriteModernObjC &RewriteObj, 5575da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ASTContext *Context, std::string &Result, 5576da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ArrayRef<ObjCPropertyDecl *> Properties, 5577da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian const Decl *Container, 5578da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef VarName, 5579da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef ProtocolName) { 5580da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (Properties.size() > 0) { 5581da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\nstatic "; 5582da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Write__prop_list_t_TypeDecl(Result, Properties.size()); 5583da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " "; Result += VarName; 5584da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += ProtocolName; 5585da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5586da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += "sizeof(_prop_t)"; Result += ",\n"; 5587da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += utostr(Properties.size()); Result += ",\n"; 5588da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (unsigned i = 0, e = Properties.size(); i < e; i++) { 5589da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ObjCPropertyDecl *PropDecl = Properties[i]; 5590da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == 0) 5591da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{{\""; 5592da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5593da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{\""; 5594da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += PropDecl->getName(); Result += "\","; 5595da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::string PropertyTypeString, QuotePropertyTypeString; 5596da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Context->getObjCEncodingForPropertyDecl(PropDecl, Container, PropertyTypeString); 5597da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian RewriteObj.QuoteDoublequotes(PropertyTypeString, QuotePropertyTypeString); 5598da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\""; Result += QuotePropertyTypeString; Result += "\""; 5599da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == e-1) 5600da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}}\n"; 5601da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5602da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "},\n"; 5603da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5604da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "};\n"; 5605da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5606da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5607da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 56086ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian// Metadata flags 56096ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianenum MetaDataDlags { 56106ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS = 0x0, 56116ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_META = 0x1, 56126ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_ROOT = 0x2, 56136ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian OBJC2_CLS_HIDDEN = 0x10, 56146ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_EXCEPTION = 0x20, 56156ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 56166ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// (Obsolete) ARC-specific: this class has a .release_ivars method 56176ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_HAS_IVAR_RELEASER = 0x40, 56186ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// class was compiled with -fobjc-arr 56196ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_COMPILED_BY_ARC = 0x80 // (1<<7) 56206ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian}; 56216ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 5622f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write__class_ro_t_initializer(ASTContext *Context, std::string &Result, 5623f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian unsigned int flags, 5624f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceStart, 5625f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceSize, 5626f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCMethodDecl *>baseMethods, 5627f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCProtocolDecl *>baseProtocols, 5628f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCIvarDecl *>ivars, 5629f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCPropertyDecl *>Properties, 5630f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef VarName, 5631f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef ClassName) { 5632f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\nstatic struct _class_ro_t "; 5633f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += VarName; Result += ClassName; 5634f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5635f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 5636f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += llvm::utostr(flags); Result += ", "; 5637f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceStart; Result += ", "; 5638f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceSize; Result += ", \n"; 5639f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 5640f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // uint32_t const reserved; // only when building for 64bit targets 5641f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(unsigned int)0, \n\t"; 5642f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // const uint8_t * const ivarLayout; 5643f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5644f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\""; Result += ClassName; Result += "\",\n\t"; 56456ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool metaclass = ((flags & CLS_META) != 0); 5646f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (baseMethods.size() > 0) { 5647f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _method_list_t *)&"; 56486ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (metaclass) 56496ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_CLASS_METHODS_"; 56506ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian else 56516ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_INSTANCE_METHODS_"; 56526ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += ClassName; 5653f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5654f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5655f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5656f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5657f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 56586ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && baseProtocols.size() > 0) { 5659f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _objc_protocol_list *)&"; 5660f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_CLASS_PROTOCOLS_$_"; Result += ClassName; 5661f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5662f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5663f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5664f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5665f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 56666ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && ivars.size() > 0) { 5667f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _ivar_list_t *)&"; 5668f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_$_INSTANCE_VARIABLES_"; Result += ClassName; 5669f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5670f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5671f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5672f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5673f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5674f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // weakIvarLayout 5675f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 56766ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && Properties.size() > 0) { 5677f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _prop_list_t *)&"; 5678eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian Result += "_OBJC_$_PROP_LIST_"; Result += ClassName; 5679f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n"; 5680f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5681f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5682f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n"; 5683f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5684f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "};\n"; 5685f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian} 5686f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 56873f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanianstatic void Write_class_t(ASTContext *Context, std::string &Result, 56883f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian StringRef VarName, 56893f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian const ObjCInterfaceDecl *CDecl, bool metadata) { 56903f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 56913f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (metadata && !CDecl->getSuperClass()) { 56923f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Need to handle a case of use of forward declaration. 5693ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "\n"; 5694ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian if (CDecl->getImplementation()) 5695ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "__declspec(dllexport) "; 5696ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "extern struct _class_t OBJC_CLASS_$_"; 56973f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 56983f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 56993f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57003f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Also, for possibility of 'super' metadata class not having been defined yet. 57013f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (CDecl->getSuperClass()) { 5702ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "\n"; 5703ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian if (CDecl->getSuperClass()->getImplementation()) 5704ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "__declspec(dllexport) "; 5705ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += "extern struct _class_t "; 5706ce0d89744bdad195c991362bd6fc7b334e5c2d52Fariborz Jahanian Result += VarName; 57073f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 57083f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 57093f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57103f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 5711e57303c8ce83ce058dac1fd4b963e68762666b9aFariborz Jahanian Result += "\n__declspec(dllexport) struct _class_t "; Result += VarName; Result += CDecl->getNameAsString(); 57123f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_data\"))) = {\n"; 57133f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\t"; 57143f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (metadata) { 57153f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (CDecl->getSuperClass()) { 57163f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 57173f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 57183f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57193f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 57203f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 57213f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57223f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57233f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 57243f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 57253f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 57263f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57273f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&OBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 57283f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57293f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57303f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57313f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 57323f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&OBJC_METACLASS_$_"; 57333f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 57343f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57353f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (CDecl->getSuperClass()) { 57363f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 57373f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 57383f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 57393f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57403f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 57413f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "0,\n\t"; 57423f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 57433f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "(void *)&_objc_empty_cache,\n\t"; 57443f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "(void *)&_objc_empty_vtable,\n\t"; 57453f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (metadata) 57463f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_METACLASS_RO_$_"; 57473f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 57483f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_CLASS_RO_$_"; 57493f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 57503f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n};\n"; 57513f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian} 57523f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 57536118612837887cbae365676d53cc3e1c258249aaFariborz Jahanianstatic void Write_category_t(RewriteModernObjC &RewriteObj, ASTContext *Context, 57546118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::string &Result, 57556118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian StringRef CatName, 57566118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian StringRef ClassName, 57576118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCMethodDecl *> InstanceMethods, 57586118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCMethodDecl *> ClassMethods, 57596118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCProtocolDecl *> RefedProtocols, 57606118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ArrayRef<ObjCPropertyDecl *> ClassProperties) { 57618c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian // must declare an extern class object in case this class is not implemented 57628c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian // in this TU. 57638c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += "\nextern struct _class_t "; 57648c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += "OBJC_CLASS_$_"; Result += ClassName; 57658c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian Result += ";\n"; 57668c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian 57676118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\nstatic struct _category_t "; 57686118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_"; 57696118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 57706118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 57716118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "{\n"; 57726118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t\""; Result += ClassName; Result += "\",\n"; 57736118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t&"; Result += "OBJC_CLASS_$_"; Result += ClassName; 57746118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 57756118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (InstanceMethods.size() > 0) { 57766118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _method_list_t *)&"; 57776118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_INSTANCE_METHODS_"; 57786118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 57796118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 57806118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 57816118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 57826118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 57836118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 57846118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (ClassMethods.size() > 0) { 57856118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _method_list_t *)&"; 57866118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_$_CATEGORY_CLASS_METHODS_"; 57876118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 57886118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 57896118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 57906118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 57916118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 57926118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 57936118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (RefedProtocols.size() > 0) { 57946118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; 57956118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_OBJC_CATEGORY_PROTOCOLS_$_"; 57966118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 57976118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 57986118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 57996118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 58006118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 58016118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 58026118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (ClassProperties.size() > 0) { 58036118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t(const struct _prop_list_t *)&"; Result += "_OBJC_$_PROP_LIST_"; 58046118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ClassName; Result += "_$_"; Result += CatName; 58056118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 58066118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 58076118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian else 58086118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t0,\n"; 58096118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 58106118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "};\n"; 58116118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian} 58126118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 5813e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanianstatic void Write__extendedMethodTypes_initializer(RewriteModernObjC &RewriteObj, 5814e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ASTContext *Context, std::string &Result, 5815e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 5816e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef VarName, 5817e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef ProtocolName) { 5818e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (Methods.size() == 0) 5819e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian return; 5820e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 5821e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\nstatic const char *"; 5822e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += VarName; Result += ProtocolName; 5823e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += " [] __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 5824e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "{\n"; 5825e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 5826e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 5827e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::string MethodTypeString, QuoteMethodTypeString; 5828e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString, true); 5829e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian RewriteObj.QuoteDoublequotes(MethodTypeString, QuoteMethodTypeString); 5830e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t\""; Result += QuoteMethodTypeString; Result += "\""; 5831e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (i == e-1) 5832e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 5833e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else { 5834e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += ",\n"; 5835e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5836e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5837e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian} 5838e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 583907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanianstatic void Write_IvarOffsetVar(std::string &Result, 5840db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 5841db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian StringRef VarName, 5842db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian StringRef ClassName) { 5843db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // FIXME. visibilty of offset symbols may have to be set; for Darwin 5844db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // this is what happens: 5845db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian /** 5846db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian if (Ivar->getAccessControl() == ObjCIvarDecl::Private || 5847db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Ivar->getAccessControl() == ObjCIvarDecl::Package || 5848db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Class->getVisibility() == HiddenVisibility) 5849db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: HiddenVisibility; 5850db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian else 5851db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: DefaultVisibility; 5852db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian */ 5853db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 585407e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "\n"; 585507e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 585607e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 5857117591f6247b186a4161459ad8603563cfd1c54cFariborz Jahanian if (IvarDecl->getAccessControl() == ObjCIvarDecl::Private || 5858117591f6247b186a4161459ad8603563cfd1c54cFariborz Jahanian IvarDecl->getAccessControl() == ObjCIvarDecl::Package) 5859d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian Result += "unsigned long int "; 5860d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian else 5861d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian Result += "__declspec(dllexport) unsigned long int "; 5862d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian 5863d1c84d3c0206abdf8787dc5c00aaf3b016ed3226Fariborz Jahanian Result += VarName; 586407e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += ClassName; Result += "_"; 586507e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += IvarDecl->getName(); 586607e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_ivar\")))"; 586707e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " = "; 586807e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian if (IvarDecl->isBitField()) { 586907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 587007e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian // place all bitfields at offset 0. 587107e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "0;\n"; 587207e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian } 587307e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian else { 5874db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 5875db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ClassName; 5876db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "_IMPL, "; 5877db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += IvarDecl->getName(); Result += ");\n"; 5878db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 5879db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 5880db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian} 5881db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 5882ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_initializer(RewriteModernObjC &RewriteObj, 5883ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ASTContext *Context, std::string &Result, 5884ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 5885ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian StringRef VarName, 5886ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian StringRef ClassName) { 5887ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (Ivars.size() > 0) { 588807e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Write_IvarOffsetVar(Result, Ivars, "OBJC_IVAR_$_", ClassName); 588907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian 5890ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\nstatic "; 5891ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_TypeDecl(Result, Ivars.size()); 5892ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " "; Result += VarName; 5893ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += ClassName; 5894ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5895ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += "sizeof(_ivar_t)"; Result += ",\n"; 5896ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += utostr(Ivars.size()); Result += ",\n"; 5897ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 5898ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 5899ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == 0) 5900ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t{{"; 5901ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 5902ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t {"; 5903db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 5904db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "(unsigned long int *)&OBJC_IVAR_$_"; 5905db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ClassName; Result += "_"; Result += IvarDecl->getName(); 5906db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ", "; 5907ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5908ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += IvarDecl->getName(); Result += "\", "; 5909ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian std::string IvarTypeString, QuoteIvarTypeString; 5910ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Context->getObjCEncodingForType(IvarDecl->getType(), IvarTypeString, 5911ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IvarDecl); 5912ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian RewriteObj.QuoteDoublequotes(IvarTypeString, QuoteIvarTypeString); 5913ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += QuoteIvarTypeString; Result += "\", "; 5914ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 59158f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // FIXME. this alignment represents the host alignment and need be changed to 59168f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // represent the target alignment. 59178f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian unsigned Align = Context->getTypeAlign(IvarDecl->getType())/8; 59188f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian Align = llvm::Log2_32(Align); 5919ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += llvm::utostr(Align); Result += ", "; 5920a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian CharUnits Size = Context->getTypeSizeInChars(IvarDecl->getType()); 5921a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += llvm::utostr(Size.getQuantity()); 5922ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == e-1) 5923ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}}\n"; 5924ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 5925ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "},\n"; 5926ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 5927ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "};\n"; 5928ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 5929ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5930ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 593164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 5932da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, 5933da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result) { 593464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 593564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Do not synthesize the protocol more than once. 593664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl())) 593764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 593882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian WriteModernMetadataDeclarations(Result); 593964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 594064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Def = PDecl->getDefinition()) 594164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl = Def; 5942da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 5943da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 5944da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 5945da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 5946da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 594764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 594877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian // Construct method lists. 594977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> InstanceMethods, ClassMethods; 595077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> OptInstanceMethods, OptClassMethods; 595177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 595277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 595377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 595477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 595577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 595677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptInstanceMethods.push_back(MD); 595777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 595877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian InstanceMethods.push_back(MD); 595977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 596077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 596177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 596277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 596377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 596477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 596577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 596677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 596777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptClassMethods.push_back(MD); 596877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 596977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ClassMethods.push_back(MD); 597077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 597177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 5972e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::vector<ObjCMethodDecl *> AllMethods; 5973e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = InstanceMethods.size(); i < e; i++) 5974e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(InstanceMethods[i]); 5975e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = ClassMethods.size(); i < e; i++) 5976e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(ClassMethods[i]); 5977e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptInstanceMethods.size(); i < e; i++) 5978e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptInstanceMethods[i]); 5979e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptClassMethods.size(); i < e; i++) 5980e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptClassMethods[i]); 5981e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 5982e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Write__extendedMethodTypes_initializer(*this, Context, Result, 5983e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods, 5984e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian "_OBJC_PROTOCOL_METHOD_TYPES_", 5985e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian PDecl->getNameAsString()); 5986da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Protocol's super protocol list 5987da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::vector<ObjCProtocolDecl *> SuperProtocols; 5988da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 5989da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 5990da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian SuperProtocols.push_back(*I); 5991da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 5992da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_initializer(Context, Result, SuperProtocols, 5993da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian "_OBJC_PROTOCOL_REFS_", 5994da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian PDecl->getNameAsString()); 5995da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 599690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 599777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_INSTANCE_METHODS_", 599890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 599977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 600090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 600177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_CLASS_METHODS_", 600290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 600377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 600490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptInstanceMethods, 600577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_", 600690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 600777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 600890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptClassMethods, 600977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_CLASS_METHODS_", 601090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 601177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 6012da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian // Protocol's property metadata. 6013da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::vector<ObjCPropertyDecl *> ProtocolProperties; 6014da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = PDecl->prop_begin(), 6015da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 6016da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ProtocolProperties.push_back(*I); 6017da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 6018f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ProtocolProperties, 6019da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian /* Container */0, 6020da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian "_OBJC_PROTOCOL_PROPERTIES_", 6021da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian PDecl->getNameAsString()); 6022da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 602382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // Writer out root metadata for current protocol: struct _protocol_t 60241ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 60251ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 60261ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".datacoal_nt$B\")) "; 60271ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct _protocol_t _OBJC_PROTOCOL_"; 602882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); 602982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n"; 603082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; // id is; is null 603182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t\""; Result += PDecl->getNameAsString(); Result += "\",\n"; 6032da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 6033da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; Result += "_OBJC_PROTOCOL_REFS_"; 6034da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 6035da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 6036da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 6037da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t0,\n"; 603882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (InstanceMethods.size() > 0) { 603982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 604082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 604164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 604282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 604382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 604482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 604582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ClassMethods.size() > 0) { 604682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 604782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 604864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 604982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 605082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 605164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 605282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptInstanceMethods.size() > 0) { 605382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_"; 605482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 605564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 605682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 605782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 605864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 605982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptClassMethods.size() > 0) { 606082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_CLASS_METHODS_"; 606182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 606264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 606364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 606482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 606582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 606682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ProtocolProperties.size() > 0) { 606782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct _prop_list_t *)&_OBJC_PROTOCOL_PROPERTIES_"; 606882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 606964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 607064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 607182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 607264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 607382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t"; Result += "sizeof(_protocol_t)"; Result += ",\n"; 607482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 607582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 6076e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (AllMethods.size() > 0) { 6077e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t(const char **)&"; Result += "_OBJC_PROTOCOL_METHOD_TYPES_"; 6078e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += PDecl->getNameAsString(); 6079e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 6080e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 6081e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else 6082e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t0\n};\n"; 608382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 608464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this protocol as having been generated. 608564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl())) 608664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("protocol already synthesized"); 608764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 608864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 608964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 609064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolListMetaData( 609164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols, 609264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, 609364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 609464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Protocols.empty()) return; 609564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 609664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i != Protocols.size(); i++) 6097da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(Protocols[i], Result); 609864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 609964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output the top lovel protocol meta-data for the class. 610064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_protocol_list { 610164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *next; 610264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int protocol_count; 610364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol *class_protocols[]; 610464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 610564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 61061ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 61071ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 61081ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".cat_cls_meth$B\")) "; 61091ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct {\n"; 611064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *next;\n"; 611164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint protocol_count;\n"; 611264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol *class_protocols["; 611364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 611464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 611564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 611664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_PROTOCOLS_"; 611764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 611864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 611964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t0, "; 612064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 612164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 612264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 612364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{&_OBJC_PROTOCOL_"; 612464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[0]->getNameAsString(); 612564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " \n"; 612664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 612764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 1; i != Protocols.size(); i++) { 612864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,&_OBJC_PROTOCOL_"; 612964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[i]->getNameAsString(); 613064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 613164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 613264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 613364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 613464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61356ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// hasObjCExceptionAttribute - Return true if this class or any super 61366ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// class has the __objc_exception__ attribute. 61376ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// FIXME. Move this to ASTContext.cpp as it is also used for IRGen. 61386ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianstatic bool hasObjCExceptionAttribute(ASTContext &Context, 61396ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian const ObjCInterfaceDecl *OID) { 61406ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (OID->hasAttr<ObjCExceptionAttr>()) 61416ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return true; 61426ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (const ObjCInterfaceDecl *Super = OID->getSuperClass()) 61436ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return hasObjCExceptionAttribute(Context, Super); 61446ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return false; 61456ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian} 6146f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 614764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 614864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 614964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 615064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 615164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicitly declared @interface's are already synthesized. 6152ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 6153ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian assert(false && 6154ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 61558f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian 6156ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian WriteModernMetadataDeclarations(Result); 6157ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 6158ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 6159ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6160ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVD; IVD = IVD->getNextIvar()) { 6161ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian // Ignore unnamed bit-fields. 6162ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (!IVD->getDeclName()) 6163ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian continue; 6164ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVars.push_back(IVD); 616564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 616664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6167ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_initializer(*this, Context, Result, IVars, 6168f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_$_INSTANCE_VARIABLES_", 6169ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian CDecl->getNameAsString()); 617090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 617190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 617290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 617390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 617490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 617590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // If any of our property implementations have associated getters or 617690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // setters, produce metadata for them as well. 617790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 617890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PropEnd = IDecl->propimpl_end(); 617990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Prop != PropEnd; ++Prop) { 618090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 618190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 618290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 618390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 618490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 618590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!PD) 618690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 618790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 618890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Getter->isDefined()) 618990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Getter); 619090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (PD->isReadOnly()) 619190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 619290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 619390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Setter->isDefined()) 619490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Setter); 619590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 619690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 619790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 619890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_INSTANCE_METHODS_", 619990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 620090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 620190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 620290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 620390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 620490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 620590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_CLASS_METHODS_", 620690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 62070a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 62080a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocols referenced in class declaration? 62090a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocol's super protocol list 62100a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 62110a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols = CDecl->getReferencedProtocols(); 62120a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), 62130a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian E = Protocols.end(); 62140a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian I != E; ++I) { 62150a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols.push_back(*I); 62160a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 62170a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 62180a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 62190a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian } 62200a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 62210a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian Write_protocol_list_initializer(Context, Result, 62220a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols, 62230a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian "_OBJC_CLASS_PROTOCOLS_$_", 62240a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian IDecl->getNameAsString()); 6225f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6226f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Protocol's property metadata. 6227f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 6228f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 6229f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 6230f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties.push_back(*I); 6231f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6232f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 6233f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian /* Container */0, 6234eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian "_OBJC_$_PROP_LIST_", 6235f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 623690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 6237f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 62386ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // Data for initializing _class_ro_t metaclass meta-data 62396ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian uint32_t flags = CLS_META; 62406ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceSize; 62416ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceStart; 62426ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 62436ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 62446ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool classIsHidden = CDecl->getVisibility() == HiddenVisibility; 62456ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 62466ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 62476ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 62486ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!CDecl->getSuperClass()) 62496ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // class is root 62506ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_ROOT; 62516ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize = "sizeof(struct _class_t)"; 62526ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart = InstanceSize; 62536ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 62546ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart, InstanceSize, 62556ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian ClassMethods, 62566ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 62576ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 62586ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 62596ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian "_OBJC_METACLASS_RO_$_", 62606ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CDecl->getNameAsString()); 62616ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 62626ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6263f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Data for initializing _class_ro_t meta-data 62646ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags = CLS; 62656ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 62666ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 62676ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 62686ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (hasObjCExceptionAttribute(*Context, CDecl)) 62696ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_EXCEPTION; 62706ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6271f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!CDecl->getSuperClass()) 6272f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // class is root 6273f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian flags |= CLS_ROOT; 6274f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 62756ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize.clear(); 62766ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart.clear(); 6277f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.count(CDecl)) { 6278f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "0"; 6279f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = "0"; 6280f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6281f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else { 6282f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "sizeof(struct "; 6283f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += CDecl->getNameAsString(); 6284f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += "_IMPL)"; 6285f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6286f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6287f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (IVD) { 6288f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += "__OFFSETOFIVAR__(struct "; 6289f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += CDecl->getNameAsString(); 6290f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += "_IMPL, "; 6291f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += IVD->getNameAsString(); 6292f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += ")"; 6293f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6294f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6295f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = InstanceSize; 6296f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6297f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 6298f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart, InstanceSize, 6299f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceMethods, 6300f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian RefedProtocols, 6301f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian IVars, 6302f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties, 6303f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_CLASS_RO_$_", 6304f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 63053f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 63063f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 63073f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_METACLASS_$_", 63083f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/true); 63093f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 63103f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 63113f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_CLASS_$_", 63123f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/false); 63133f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 631464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 631564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 631664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) { 631764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 631864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 631964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 632064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented class, write out all its meta data. 632164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 632264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCClassMetaData(ClassImplementation[i], Result); 632364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 632464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented category, write out all its meta data. 632564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 632664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 632764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6328df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian if (ClsDefCount > 0) { 63291ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 63301ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".objc_classlist$B\")) "; 6331df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "static struct _class_t *L_OBJC_LABEL_CLASS_$ ["; 6332df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += llvm::utostr(ClsDefCount); Result += "]"; 6333df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += 6334df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_classlist," 6335df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian "regular,no_dead_strip\")))= {\n"; 6336df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 6337df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "\t&OBJC_CLASS_$_"; 6338df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ClassImplementation[i]->getNameAsString(); 6339df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ",\n"; 634064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 6341df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "};\n"; 634264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 63436118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 63446118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian if (CatDefCount > 0) { 63451ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) 63461ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".objc_catlist$B\")) "; 63476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "static struct _category_t *L_OBJC_LABEL_CATEGORY_$ ["; 63486118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += llvm::utostr(CatDefCount); Result += "]"; 63496118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += 63506118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_catlist," 63516118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "regular,no_dead_strip\")))= {\n"; 63526118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 63536118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "\t&_OBJC_$_CATEGORY_"; 63546118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += 63556118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian CategoryImplementation[i]->getClassInterface()->getNameAsString(); 63566118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "_$_"; 63576118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += CategoryImplementation[i]->getNameAsString(); 63586118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += ",\n"; 63596118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 63606118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Result += "};\n"; 63616118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian } 636264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 636364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 636464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 636564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// implementation. 636664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 636764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 63688c00a1b66a1110d8354c3c48f0cbd037d5b04c38Fariborz Jahanian WriteModernMetadataDeclarations(Result); 636964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 637064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find category declaration for this implementation. 63716118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ObjCCategoryDecl *CDecl=0; 637264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CDecl = ClassDecl->getCategoryList(); CDecl; 637364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CDecl = CDecl->getNextClassCategory()) 637464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 637564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 637664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 637764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FullCategoryName = ClassDecl->getNameAsString(); 63786118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName += "_$_"; 63796118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName += CDecl->getNameAsString(); 638064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 638164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's instance methods if needed 638264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 638364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 638464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 638564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If any of our property implementations have associated getters or 638664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // setters, produce metadata for them as well. 638764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 638864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropEnd = IDecl->propimpl_end(); 638964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Prop != PropEnd; ++Prop) { 639064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 639164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 639264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 639364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 639464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 639564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD) 639664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 639764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 639864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Getter); 639964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly()) 640064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 640164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 640264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Setter); 640364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 640464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64056118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 64066118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_CATEGORY_INSTANCE_METHODS_", 64076118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName, true); 640864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64096118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 64106118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 641164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64126118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 64136118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_CATEGORY_CLASS_METHODS_", 64146118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName, true); 641564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64166118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocols referenced in class declaration? 64176118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocol's super protocol list 64186118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 64196118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols = CDecl->getReferencedProtocols(); 64206118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), 64216118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian E = Protocols.end(); 64226118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian I != E; ++I) { 64236118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols.push_back(*I); 64246118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Must write out all protocol definitions in current qualifier list, 64256118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // and in their nested qualifiers before writing out current definition. 64266118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 642764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 642864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 64296118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_protocol_list_initializer(Context, Result, 64306118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols, 64316118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_CATEGORY_PROTOCOLS_$_", 64326118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName); 64336118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 64346118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian // Protocol's property metadata. 64356118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 64366118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 64376118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 64386118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassProperties.push_back(*I); 64396118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 64406118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 64416118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian /* Container */0, 64426118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian "_OBJC_$_PROP_LIST_", 64436118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian FullCategoryName); 64446118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 64456118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian Write_category_t(*this, Context, Result, 64466118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian CDecl->getNameAsString(), 64476118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassDecl->getNameAsString(), 64486118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian InstanceMethods, 64496118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassMethods, 64506118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian RefedProtocols, 64516118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian ClassProperties); 64526118612837887cbae365676d53cc3e1c258249aaFariborz Jahanian 645364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 645464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 645564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 645664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// class methods. 645764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahaniantemplate<typename MethodIterator> 645864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 645964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 646064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 646164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 646264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 646364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 646464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MethodBegin == MethodEnd) return; 646564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 646664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_impl_method) { 646764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_method { 646864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SEL _cmd; 646964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *method_types; 647064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void *_imp; 647164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 647264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 647364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 647464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tSEL _cmd;\n"; 647564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *method_types;\n"; 647664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid *_imp;\n"; 647764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 647864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 647964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = true; 648064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 648164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 648264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's methods if needed 648364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 648464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct { 648564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *next_method; 648664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int method_count; 648764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method method_list[]; 648864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 648964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 649064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 64911ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "\n"; 64921ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (LangOpts.MicrosoftExt) { 64931ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian if (IsInstanceMethod) 64941ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".inst_meth$B\")) "; 64951ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian else 64961ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "__declspec(allocate(\".cls_meth$B\")) "; 64971ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian } 64981ca052c09868169d4de4da5d1d45f07f2fe8511aFariborz Jahanian Result += "static struct {\n"; 649964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *next_method;\n"; 650064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint method_count;\n"; 650164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method method_list["; 650264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumMethods); 650364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 650464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 650564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 650664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_METHODS_"; 650764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 650864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __"; 650964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "inst" : "cls"; 651064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_meth\")))= "; 651164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 651264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 651364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{{(SEL)\""; 651464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 651564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 651664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 651764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 651864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 651964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 652064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 652164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 652264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 652364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,{(SEL)\""; 652464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 652564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 652664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 652764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 652864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 652964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 653064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 653164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 653264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 653364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 653464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 653564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 653664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) { 653764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = IV->getSourceRange(); 653864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *BaseExpr = IV->getBase(); 653964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 654064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the base, but without actually doing replaces. 654164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 654264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 654364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr)); 654464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(BaseExpr); 654564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 654664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 654764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *D = IV->getDecl(); 654864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 654964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = IV; 6550e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian 655164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 655264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 655364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 655464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 655564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 655664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 655764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 655864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 655964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 656064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6561e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian // Build name of symbol holding ivar offset. 6562e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian std::string IvarOffsetName = "OBJC_IVAR_$_"; 6563e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian IvarOffsetName += clsDeclared->getIdentifier()->getName(); 6564e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian IvarOffsetName += "_"; 6565e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian IvarOffsetName += D->getName(); 656672c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian ReferencedIvars[clsDeclared].insert(D); 656772c88f13f79e2012b8a5f84cf48c6af779dfd1baFariborz Jahanian 6568e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian // cast offset to "char *". 6569e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, 6570e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->getPointerType(Context->CharTy), 657164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 6572e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian BaseExpr); 6573e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 6574e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation(), &Context->Idents.get(IvarOffsetName), 6575e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->UnsignedLongTy, 0, SC_Extern, SC_None); 6576f4b88a45902af1802a1cb42ba48b1c474474f228John McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, false, 6577f4b88a45902af1802a1cb42ba48b1c474474f228John McCall Context->UnsignedLongTy, VK_LValue, 6578e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation()); 6579e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian BinaryOperator *addExpr = 6580e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian new (Context) BinaryOperator(castExpr, DRE, BO_Add, 6581e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Context->getPointerType(Context->CharTy), 6582e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 658364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 6584e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), 6585e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation(), 6586e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian addExpr); 65870d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9Fariborz Jahanian QualType IvarT = D->getType(); 65888e0913d4921e36ef82ecba565fd7b2c66165dd87Fariborz Jahanian convertObjCTypeToCStyleType(IvarT); 65890d6e22a38314fd6a9bdb0d83fcc5c5215641d5e9Fariborz Jahanian QualType castT = Context->getPointerType(IvarT); 659064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6591e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian castExpr = NoTypeInfoCStyleCastExpr(Context, 6592e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian castT, 6593e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian CK_BitCast, 6594e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian PE); 65958e0913d4921e36ef82ecba565fd7b2c66165dd87Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(castExpr, UO_Deref, IvarT, 6596e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian VK_LValue, OK_Ordinary, 6597e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian SourceLocation()); 6598e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian PE = new (Context) ParenExpr(OldRange.getBegin(), 6599e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian OldRange.getEnd(), 6600e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Exp); 6601e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian 6602e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian Replacement = PE; 660364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 660464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6605e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian ReplaceStmtWithRange(IV, Replacement, OldRange); 6606e7b3fa73596305bcc443369569d123b0f1b513cbFariborz Jahanian return Replacement; 660764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 660864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6609