RewriteModernObjC.cpp revision df79567796fabb406156d881ebd3319aa55b6f83
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; 11064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCForwardDecls; 11164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Stmt *, 32> Stmts; 11264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 8> ObjCBcLabelNo; 11364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember all the @protocol(<expr>) expressions. 11464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls; 11564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 11664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseSet<uint64_t> CopyDestroyCache; 11764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 11864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block expressions. 11964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockExpr *, 32> Blocks; 12064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 32> InnerDeclRefsCount; 12164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 32> InnerDeclRefs; 12264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 32> BlockDeclRefs; 12464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block related declarations. 12664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByCopyDecls; 12764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet; 12864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByRefDecls; 12964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet; 13064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo; 13164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls; 13264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls; 13364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs; 13564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This maps an original source AST to it's rewritten form. This allows 13764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // us to avoid rewriting the same node twice (which is very uncommon). 13864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed to support some of the exotic property rewriting. 13964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes; 14064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 14164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Needed for header files being rewritten 14264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsHeader; 14364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning; 14464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool objc_impl_method; 14564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 14664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool DisableReplaceStmt; 14764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian class DisableReplaceStmtScope { 14864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC &R; 14964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SavedValue; 15064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 15164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 15264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope(RewriteModernObjC &R) 15364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : R(R), SavedValue(R.DisableReplaceStmt) { 15464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = true; 15564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 15664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~DisableReplaceStmtScope() { 15764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = SavedValue; 15864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 15964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 16064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InitializeCommon(ASTContext &context); 16164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 16264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 16390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames; 16464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Top Level Driver code. 16564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual bool HandleTopLevelDecl(DeclGroupRef D) { 16664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 16764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*I)) { 16864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Class->isThisDeclarationADefinition()) { 16964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(D); 17064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 17164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 17264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 17364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 17464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*I)) { 17564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 17664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(D); 17764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 17864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 17964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 18164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*I); 18264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 18464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleTopLevelSingleDecl(Decl *D); 18664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleDeclInMainFile(Decl *D); 18764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC(std::string inFile, raw_ostream *OS, 18864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 18964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn); 19064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~RewriteModernObjC() {} 19264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void HandleTranslationUnit(ASTContext &C); 19464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmt(Stmt *Old, Stmt *New) { 19664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = ReplacedNodes[Old]; 19764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ReplacingStmt) 19964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // We can't rewrite the same node twice. 20064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 20264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 20364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 20564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceStmt(Old, New)) { 20664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 20764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 20864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 20964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 21064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 21264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 21364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 21464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) { 21664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 21764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Measure the old text. 22064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int Size = Rewrite.getRangeSize(SrcRange); 22164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Size == -1) { 22264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 22364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 22464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 22564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 22664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 22764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 22864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream S(SStr); 22964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian New->printPretty(S, *Context, 0, PrintingPolicy(LangOpts)); 23064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = S.str(); 23164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 23264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 23364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) { 23464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 23564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 23664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 23764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 23864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 23964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 24064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 24164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 24264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 24364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertText(SourceLocation Loc, StringRef Str, 24464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool InsertAfter = true) { 24564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If insertion succeeded or warning disabled return with no warning. 24664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.InsertText(Loc, Str, InsertAfter) || 24764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 24864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 24964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag); 25164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 25264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceText(SourceLocation Start, unsigned OrigLength, 25464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Str) { 25564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If removal succeeded or warning disabled return with no warning. 25664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(Start, OrigLength, Str) || 25764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 25864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 25964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag); 26164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 26264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Syntactic Rewriting. 26464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteRecordBody(RecordDecl *RD); 26564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInclude(); 26664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(DeclGroupRef D); 26764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(const llvm::SmallVector<Decl*, 8> &DG); 26864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 26964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString); 27064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementations(); 27164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 27264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 27364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID); 27464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl); 27564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementationDecl(Decl *Dcl); 27664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 27764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MDecl, std::string &ResultStr); 27864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeIntoString(QualType T, std::string &ResultStr, 27964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType); 28064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefString(std::string &ResultStr, const std::string &Name, 28164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def=false); 28264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCategoryDecl(ObjCCategoryDecl *Dcl); 28364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProtocolDecl(ObjCProtocolDecl *Dcl); 28464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(DeclGroupRef D); 28564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG); 28664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteMethodDeclaration(ObjCMethodDecl *Method); 28764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProperty(ObjCPropertyDecl *prop); 28864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteFunctionDecl(FunctionDecl *FD); 28964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerType(std::string& Str, QualType Type); 29064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD); 29164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD); 29264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl); 29364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeOfDecl(VarDecl *VD); 29464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Expr *E); 29564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 29664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Expression Rewriting. 29764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S); 29864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp); 29964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitGetter(PseudoObjectExpr *Pseudo); 30064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitSetter(PseudoObjectExpr *Pseudo); 30164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp); 30264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp); 30364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp); 30464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 30564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTryReturnStmts(Stmt *S); 30664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteSyncReturnStmts(Stmt *S, std::string buf); 30764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 30864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 30964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 31064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 31164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd); 31264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 31364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 31464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCastExpr(CStyleCastExpr *CE); 31564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 31664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block rewriting. 31764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 31864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 31964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block specific rewrite rules. 32064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerDecl(NamedDecl *VD); 32164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefVar(VarDecl *VD); 32264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBlockDeclRefExpr(Expr *VD); 32364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 32464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 32564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 32764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 32864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void Initialize(ASTContext &context); 33064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. AST transformation routines. Somtimes they end up calling 33264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewriting routines on the new ASTs. 33364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 33464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr **args, unsigned nargs, 33564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 33664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 33764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 33964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 34064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 34164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 34364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFunctionDecl(); 34464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperFunctionDecl(); 34564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendStretFunctionDecl(); 34664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 34764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 34864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetClassFunctionDecl(); 34964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetMetaClassFunctionDecl(); 35064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 35164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSelGetUidFunctionDecl(); 35264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSuperContructorFunctionDecl(); 35364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting metadata 35564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian template<typename MethodIterator> 35664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 35764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 35864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 35964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 36064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 36164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 362da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 363da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result); 36464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCProtocolListMetaData( 36564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Prots, 36664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, std::string &Result); 36764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 36864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 36964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteMetaDataIntoBuffer(std::string &Result); 37064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 37164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 37264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 37364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting ivar 37464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 37564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 37664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV); 37764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 37864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 37964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 38064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 38164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 38264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 38364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 38464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockImpl(BlockExpr *CE, 38564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag, std::string Desc); 38664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockDescriptor(std::string DescTag, 38764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, 38864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int i, StringRef funcName, 38964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy); 39064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 39164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthesizeBlockLiterals(SourceLocation FunLocStart, 39264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName); 39364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SynthBlockInitFunctionDecl(StringRef name); 39464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 39564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs); 39664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 39764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. helper routines. 39864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getProtocolType(); 39964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void WarnAboutReturnGotoStmts(Stmt *S); 40064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HasReturnStmts(Stmt *S, bool &hasReturns); 40164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 40264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 40364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 40464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsDeclStmtInForeachHeader(DeclStmt *DS); 40664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CollectBlockDeclRefInfo(BlockExpr *Exp); 40764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetBlockDeclRefExprs(Stmt *S); 40864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 40964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 41064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 41164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 41264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We avoid calling Type::isBlockPointerType(), since it operates on the 41364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // canonical type. We only care if the top-level type is a closure pointer. 41464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isTopLevelBlockPointerType(QualType T) { 41564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return isa<BlockPointerType>(T); 41664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 41764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 41864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 41964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 42064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// otherwise. 42164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 42264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 42364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 42464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 42564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 42664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 42764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 42864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 42964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 430164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool convertObjCTypeToCStyleType(QualType &T); 431164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 43264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool needToScanForQualifiers(QualType T); 43364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSuperStructType(); 43464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getConstantStringStructType(); 43564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 43664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 43764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 43964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 44064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCIdType(); 44164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCQualifiedClassType()) 44264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCClassType(); 44364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCObjectPointerType() && 44464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) { 44564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCObjectPointerType * OBJPT = 44664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getAsObjCInterfacePointerType()) { 44764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType(); 44864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = QualType(IFaceT, 0); 44964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(T); 45064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 45464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This predicate seems like it would be useful to add to ASTContext. 45564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isObjCType(QualType T) { 45664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 45764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 45864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 45964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 46064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 46264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OCT == Context->getCanonicalType(Context->getObjCClassType())) 46364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 46464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = OCT->getAs<PointerType>()) { 46664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 46764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PT->getPointeeType()->isObjCQualifiedIdType()) 46864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 46964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 47164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyBlockArguments(QualType QT); 47364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 47464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetExtentOfArgList(const char *Name, const char *&LParen, 47564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen); 47664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 47764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void QuoteDoublequotes(std::string &From, std::string &To) { 47864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < From.length(); i++) { 47964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (From[i] == '"') 48064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += "\\\""; 48164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 48264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += From[i]; 48364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSimpleFunctionType(QualType result, 48764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const QualType *args, 48864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs, 48964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool variadic = false) { 49064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (result == Context->getObjCInstanceType()) 49164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian result = Context->getObjCIdType(); 49264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionProtoType::ExtProtoInfo fpi; 49364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian fpi.Variadic = variadic; 49464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getFunctionType(result, args, numArgs, fpi); 49564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 49664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Helper function: create a CStyleCastExpr with trivial type source info. 49864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 49964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind Kind, Expr *E) { 50064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 50164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 50264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation()); 50364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 50564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 50764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 50964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl *D) { 51064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *fproto 51164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 51264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 51364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = fproto->arg_type_end(); I && (I != E); ++I) 51464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) { 51564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // All the args are checked/rewritten. Don't call twice! 51664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(D); 51764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 51864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 51964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 52064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 52164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 52264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 52364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = funcType->getAs<PointerType>(); 52464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 52564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 52664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 52764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 52864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 52964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 53064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DotPos == std::string::npos) { 53264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // no file extension 53364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 53464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 53564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 53764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C header: .h 53864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C++ header: .hh or .H; 53964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 54064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 54164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteModernObjC(std::string inFile, raw_ostream* OS, 54364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 54464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn) 54564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 54664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning(silenceMacroWarn) { 54764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IsHeader = IsHeaderFile(inFile); 54864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 54964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriting sub-expression within a macro (may not be correct)"); 55064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag = Diags.getCustomDiagID( 55164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine::Warning, 55264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriter doesn't support user-specified control flow semantics " 55364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "for @try/@finally (code may not execute properly)"); 55464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 55564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 55664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianASTConsumer *clang::CreateModernObjCRewriter(const std::string& InFile, 55764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian raw_ostream* OS, 55864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &Diags, 55964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const LangOptions &LOpts, 56064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning) { 56164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return new RewriteModernObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 56264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 56364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InitializeCommon(ASTContext &context) { 56564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context = &context; 56664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM = &Context->getSourceManager(); 56764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TUDecl = Context->getTranslationUnitDecl(); 56864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = 0; 56964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = 0; 57064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = 0; 57164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = 0; 57264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = 0; 57364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = 0; 57464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = 0; 57564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = 0; 57664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = 0; 57764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CFStringFunctionDecl = 0; 57864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = 0; 57964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NSStringRecord = 0; 58064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 58164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 58264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 58364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 58464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = 0; 58564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = 0; 58664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = 0; 58764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BcLabelCount = 0; 58864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = 0; 58964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NumObjCStringLiterals = 0; 59064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 59164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 59264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 59364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = false; 59464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 59564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the ID and start/end of the main file. 59664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileID = SM->getMainFileID(); 59764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 59864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileStart = MainBuf->getBufferStart(); 59964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileEnd = MainBuf->getBufferEnd(); 60064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOptions()); 60264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 60364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 60564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Top Level Driver Code 60664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 60764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTopLevelSingleDecl(Decl *D) { 60964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 61064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 61164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Two cases: either the decl could be in the main file, or it could be in a 61364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #included file. If the former, rewrite it now. If the later, check to see 61464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // if we rewrote the #include/#import. 61564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = D->getLocation(); 61664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = SM->getExpansionLoc(Loc); 61764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If this is for a builtin, ignore it. 61964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid()) return; 62064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 62164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Look for built-in declarations that we need to refer during the rewrite. 62264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 62364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionDecl(FD); 62464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 62564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <Foundation/NSString.h> 62664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FVD->getName() == "_NSConstantStringClassReference") { 62764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = FVD; 62864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 62964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 63064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 63164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCategoryDecl(CD); 63264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 63364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isThisDeclarationADefinition()) 63464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProtocolDecl(PD); 63564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 63664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Recurse into linkage specifications 63764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclContext::decl_iterator DI = LSD->decls_begin(), 63864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DIEnd = LSD->decls_end(); 63964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DIEnd; ) { 64064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) { 64164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!IFace->isThisDeclarationADefinition()) { 64264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 64364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = IFace->getLocStart(); 64464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 64564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceDecl>(*DI) && 64664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() && 64764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 64864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 64964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 65064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 65164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 65364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 65464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(DG); 65564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 65664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 65764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 65864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) { 66064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 66164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 66264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = Proto->getLocStart(); 66364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 66464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCProtocolDecl>(*DI) && 66564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() && 66664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 66764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 66864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 66964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 67064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 67164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 67264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 67364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(DG); 67464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 67564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 67664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 67764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 67864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*DI); 67964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 68064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 68164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 68264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we have a decl in the main file, see if we should rewrite it. 68364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->isFromMainFile(Loc)) 68464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return HandleDeclInMainFile(D); 68564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 68664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 68764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 68864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Syntactic (non-AST) Rewriting Code 68964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 69064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 69164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInclude() { 69264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 69364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef MainBuf = SM->getBufferData(MainFileID); 69464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufStart = MainBuf.begin(); 69564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufEnd = MainBuf.end(); 69664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian size_t ImportLen = strlen("import"); 69764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 69864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Loop over the whole file, looking for includes. 69964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 70064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*BufPtr == '#') { 70164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 70264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 70364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 70464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 70564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 70664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 70764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace import with include 70864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation ImportLoc = 70964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart.getLocWithOffset(BufPtr-MainBufStart); 71064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(ImportLoc, ImportLen, "include"); 71164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BufPtr += ImportLen; 71264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 71664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 71764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 71864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 71964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 72064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "((struct "; 72164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ClassDecl->getIdentifier()->getName(); 72264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_IMPL *)self)->"; 72364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += OID->getName(); 72464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 72564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 72664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 72764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 72864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 72964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID) { 73064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcGetPropertyDefined = false; 73164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcSetPropertyDefined = false; 73264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = PID->getLocStart(); 73364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, "// "); 73464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 73564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synthesize location"); 73664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 73764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 73864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = 73964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startBuf+1); 74064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 74264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // FIXME: is this correct? 74364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'getter' function. 74564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = PID->getPropertyDecl(); 74664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 74764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!OID) 74964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 75064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 75164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 75264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 75364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 75464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 75564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Getr; 75664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 75764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcGetPropertyDefined = true; 75864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 75964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 76064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 76164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 76264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 76364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 76464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "{ "; 76564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 76664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 76764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty) { 76864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 76964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "typedef "; 77064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 77164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 77264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FPRetType); 77364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += " _TYPE"; 77464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 77564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 77664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 77764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 77864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 77964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "("; 78064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 78164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) Getr += ", "; 78264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 78364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 78464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ParamStr; 78564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 78664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 78764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 78864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "..."; 78964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 79064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; 79164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 79264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "()"; 79364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 79464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ";\n"; 79564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return (_TYPE)"; 79664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 79764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Getr); 79864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ", 1)"; 79964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 80164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 80264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "; }"; 80364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 80464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 80664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 80764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 80864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 80964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'setter' function. 81064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Setr; 81164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 81264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 81364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 81464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcSetPropertyDefined = true; 81564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 81664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 81764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 81864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 81964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 82064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 82164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 82264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "{ "; 82364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to initialize the ivar. 82464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_setter() for details. 82564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty) { 82664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 82764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Setr); 82864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", (id)"; 82964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 83064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", "; 83164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 83264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0, "; 83364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 83464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1, "; 83564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 83664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1)"; 83764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 83864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0)"; 83964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 84164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 84264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 84364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "; }"; 84564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Setr); 84664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 84764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 84864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl, 84964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &typedefString) { 85064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#ifndef _REWRITER_typedef_"; 85164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 85264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 85364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#define _REWRITER_typedef_"; 85464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 85564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 85664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "typedef struct objc_object "; 85764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 85864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n#endif\n"; 85964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 86064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 86164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 86264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString) { 86364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = ClassDecl->getLocStart(); 86464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 86564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiPtr = strchr(startBuf, ';'); 86664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the @class with typedefs corresponding to the classes. 86764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 86864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 86964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 87064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl(DeclGroupRef D) { 87164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 87264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 87364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(*I); 87464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == D.begin()) { 87564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Translate to typedef's that forward reference structs with the same name 87664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as the class. As a convenience, we include the original declaration 87764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as a comment. 87864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 87964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 88064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 88164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 88264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 88364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 88464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclGroupRef::iterator I = D.begin(); 88564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString); 88664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 88764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 88864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl( 88964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::SmallVector<Decl*, 8> &D) { 89064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 89164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < D.size(); i++) { 89264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]); 89364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i == 0) { 89464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 89564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 89664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 89764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 89864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 89964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 90064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString); 90164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 90264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 90364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 90464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 90564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // nothing to rewrite. 90664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Method->isImplicit()) 90764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 90864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = Method->getLocStart(); 90964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = Method->getLocEnd(); 91064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 91164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->getExpansionLineNumber(LocEnd) > 91264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM->getExpansionLineNumber(LocStart)) { 91364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "#if 0\n"); 91464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, 1, ";\n#endif\n"); 91564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 91664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "// "); 91764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 91864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 91964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProperty(ObjCPropertyDecl *prop) { 92164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 92264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Loc, 0, "// "); 92464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle properties that are declared across multiple lines. 92564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 92664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 92864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CatDecl->getLocStart(); 92964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle category headers that are declared across multiple lines. 93164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 93264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 93464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 93564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 93664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::instmeth_iterator 93864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 93964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 94064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 94164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::classmeth_iterator 94264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 94364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 94464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 94564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 94664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 94764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 94864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strlen("@end"), "/* @end */"); 94964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 95064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 95264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = PDecl->getLocStart(); 95364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(PDecl->isThisDeclarationADefinition()); 95464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle protocol headers that are declared across multiple lines. 95664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 95764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 95964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 96064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 96164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 96264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 96364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 96464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 96564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 96664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 96864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 96964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 97064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 97264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 97364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 97464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must comment out @optional/@required 97664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 97764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 97864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 97964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 98064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 98164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 98264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 98464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 98564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 98664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 98764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 98964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 99064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 99164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardProtocolDecl(DeclGroupRef D) { 99364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = (*D.begin())->getLocStart(); 99464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 99564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 99664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 99764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 99864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 99964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid 100164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG) { 100264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = DG[0]->getLocStart(); 100364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 100464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 100564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 100664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 100764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 100864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 101064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType) { 101164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 101264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id"; 101364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isFunctionPointerType() || 101464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->isBlockPointerType()) { 101564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // needs special handling, since pointer-to-functions have special 101664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // syntax (where a decaration models use). 101764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType retType = T; 101864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PointeeTy; 101964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType* PT = retType->getAs<PointerType>()) 102064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = PT->getPointeeType(); 102164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 102264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = BPT->getPointeeType(); 102364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 102464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += FPRetType->getResultType().getAsString( 102564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 102664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "(*"; 102764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 102864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 102964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += T.getAsString(Context->getPrintingPolicy()); 103064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 103164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 103364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD, 103464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &ResultStr) { 103564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 103664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 103764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\nstatic "; 103864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 103964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " "; 104064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique method name 104264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string NameStr; 104364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) 104564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_I_"; 104664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 104764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_C_"; 104864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += IDecl->getNameAsString(); 105064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 105164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCCategoryImplDecl *CID = 105364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 105464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += CID->getNameAsString(); 105564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 105664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 105764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Append selector names, replacing ':' with '_' 105864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 105964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string selString = OMD->getSelector().getAsString(); 106064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int len = selString.size(); 106164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < len; i++) 106264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (selString[i] == ':') 106364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selString[i] = '_'; 106464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += selString; 106564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 106664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember this name for metadata emission 106764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 106864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += NameStr; 106964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite arguments 107164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 107264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // invisible arguments 107464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) { 107564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 107664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 107764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.MicrosoftExt) { 107864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 107964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 108064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 108164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When rewriting for Microsoft, explicitly omit the structure name. 108264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 108364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " *"; 108464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 108564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 108664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCClassType().getAsString( 108764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 108864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 108964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " self, "; 109064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy()); 109164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " _cmd"; 109264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Method arguments. 109464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 109564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 109664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParmVarDecl *PDecl = *PI; 109764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", "; 109864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PDecl->getType()->isObjCQualifiedIdType()) { 109964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id "; 110064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += PDecl->getNameAsString(); 110164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 110264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = PDecl->getNameAsString(); 110364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = PDecl->getType(); 110464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 110564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 110664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 110764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 110864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl->getType().getAsStringInternal(Name, Context->getPrintingPolicy()); 110964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Name; 111064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isVariadic()) 111364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", ..."; 111464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ") "; 111564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 111764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; // close the precedence "scope" for "*". 111864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 111964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 112064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 112164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 112264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 112364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) ResultStr += ", "; 112464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 112564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 112664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ParamStr; 112764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 112864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 112964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) ResultStr += ", "; 113064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "..."; 113164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; 113364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 113464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "()"; 113564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 113864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementationDecl(Decl *OID) { 113964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 114064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 114164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 114264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocStart() : CID->getLocStart(), "// "); 114364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 114464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::instmeth_iterator 114564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 114664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 114764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 114864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 114964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 115064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 115164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 115264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 115364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 115464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 115564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 115664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 115764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 115864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 115964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::classmeth_iterator 116064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 116164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 116264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 116364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 116464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 116564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 116664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 116764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 116864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 116964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 117064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 117164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 117264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 117364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::propimpl_iterator 117464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 117564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 117664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 117764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewritePropertyImplDecl(*I, IMD, CID); 117864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 117964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 118064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 118164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 118264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 118364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 11848f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Do not synthesize more than once. 11858f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (ObjCSynthesizedStructs.count(ClassDecl)) 11868f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian return; 11878f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Make sure super class's are written before current class is written. 11888f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *SuperClass = ClassDecl->getSuperClass(); 11898f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian while (SuperClass) { 11908f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteInterfaceDecl(SuperClass); 11918f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian SuperClass = SuperClass->getSuperClass(); 11928f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 119364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 119464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCForwardDecls.count(ClassDecl->getCanonicalDecl())) { 119564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we haven't seen a forward decl - generate a typedef. 119664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr = "#ifndef _REWRITER_typedef_"; 119764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 119864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\n"; 119964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "#define _REWRITER_typedef_"; 120064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 120164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\n"; 120264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "typedef struct objc_object "; 120364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 120464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ";\n#endif\n"; 12054339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteObjCInternalStruct(ClassDecl, ResultStr); 120664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this typedef as having been generated. 120764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCForwardDecls.insert(ClassDecl->getCanonicalDecl()); 12084339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian 12094339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 121064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ClassDecl->prop_end(); I != E; ++I) 12114339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteProperty(*I); 12124339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::instmeth_iterator 121364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 12144339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 12154339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 12164339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian for (ObjCInterfaceDecl::classmeth_iterator 121764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 12184339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian I != E; ++I) 12194339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian RewriteMethodDeclaration(*I); 122064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12214339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian // Lastly, comment out the @end. 12224339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 12234339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian "/* @end */"); 12244339bb3a71b6463415708553fda16aa7e44d07ebFariborz Jahanian } 122564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 122664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 122764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) { 122864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 122964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 123064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 123164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 123264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 123364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr( 123464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PseudoOp->getNumSemanticExprs() - 1)); 123564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 123664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 123764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 123864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base, *RHS; 123964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 124064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 124164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 124264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 124364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = 0; 124464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 124564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 124664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 124764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 124864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 124964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the RHS. 125164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<BinaryOperator>(PseudoOp->getSyntacticForm())->getRHS(); 125264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<OpaqueValueExpr>(RHS)->getSourceExpr(); 125364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(RHS)); 125464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 125564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // TODO: avoid this copy. 125764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 125864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelectorLocs(SelLocs); 125964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 126064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 126164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 126264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 126364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 126464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 126564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 126664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 126764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 126864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 126964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 127064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 127164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 127264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 127364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 127464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 127564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 127664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 127764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 127864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 127964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 128064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 128164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 128264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 128364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 128464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 128564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 128664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 128764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 128864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 128964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 129064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 129164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 129264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 129364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 129464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 129564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 129664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 129764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 129864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 129964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 130064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 130164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 130264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 130364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 130464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 130564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 130664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 130764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 130864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 130964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) { 131164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 131264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 131464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 131564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 131664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit()); 131764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 131964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 132064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base = 0; 132164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 132264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 132364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 132464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 132564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 132664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 132764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 132864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 132964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 133064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 133164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 133264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Intentionally empty. 133364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 133464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 1> Args; 133564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 133664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 133764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 133864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 133964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 134064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 134164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 134264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 134364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 134464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 134564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 134664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 134764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 134864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 134964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 135064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 135264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 135364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 135464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 135564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 135664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 135764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 135864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 135964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 136064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 136164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 136264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 136364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 136464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 136564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 136664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 136764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 136864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 136964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 137064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 137164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 137264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 137364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 137464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 137564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 137664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 137764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 137864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 137964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 138064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 138164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 138264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 138364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 138464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 138564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 138664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthCountByEnumWithState - To print: 138764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ((unsigned int (*) 138864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 138964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (void *)objc_msgSend)((id)l_collection, 139064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// sel_registerName( 139164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// "countByEnumeratingWithState:objects:count:"), 139264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// &enumState, 139364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id *)__rw_items, (unsigned int)16) 139464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 139564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthCountByEnumWithState(std::string &buf) { 139664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 139764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id *, unsigned int))(void *)objc_msgSend)"; 139864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 139964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((id)l_collection,\n\t\t"; 140064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 140164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 140264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "&enumState, " 140364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "(id *)__rw_items, (unsigned int)16)"; 140464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 140564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 140764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to exit to its outer synthesized loop. 140864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 140964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBreakStmt(BreakStmt *S) { 141064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 141164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 141264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace break with goto __break_label 141364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 141464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 141564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 141664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __break_label_"; 141764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 141864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("break"), buf); 141964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 142064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 142164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 142264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 142364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 142464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to continue with its inner synthesized loop. 142564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 142664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteContinueStmt(ContinueStmt *S) { 142764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 142864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 142964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace continue with goto __continue_label 143064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 143164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 143364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __continue_label_"; 143464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 143564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("continue"), buf); 143664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 143864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 143964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 144064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 144164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It rewrites: 144264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// for ( type elem in collection) { stmts; } 144364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 144464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// Into: 144564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// { 144664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// type elem; 144764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 144864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id __rw_items[16]; 144964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id l_collection = (id)collection; 145064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 145164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]; 145264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (limit) { 145364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 145464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 145564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long counter = 0; 145664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 145764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (startMutations != *enumState.mutationsPtr) 145864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_enumerationMutation(l_collection); 145964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 146064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// stmts; 146164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __continue_label: ; 146264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (counter < limit); 146364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 146464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]); 146564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 146664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __break_label: ; 146764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 146864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// else 146964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 147064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 147164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 147264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 147364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd) { 147464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 147564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 147664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 147764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!ObjCBcLabelNo.empty() && 147864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 147964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 148064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 148164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 148264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef elementName; 148364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string elementTypeAsString; 148464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 148564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "\n{\n\t"; 148664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 148764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // type elem; 148864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 148964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElementType = cast<ValueDecl>(D)->getType(); 149064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ElementType->isObjCQualifiedIdType() || 149164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ElementType->isObjCQualifiedInterfaceType()) 149264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 149364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 149464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 149564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy()); 149664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 149764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " "; 149864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = D->getName(); 149964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 150064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 150164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 150264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 150364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 150464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = DR->getDecl()->getName(); 150564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 150664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getType()->isObjCQualifiedIdType() || 150764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCQualifiedInterfaceType()) 150864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 150964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 151064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 151164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy()); 151264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 151364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 151464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 151564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 151664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id __rw_items[16]; 151764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id __rw_items[16];\n\t"; 151864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id l_collection = (id) 151964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id l_collection = (id)"; 152064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find start location of 'collection' the hard way! 152164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startCollectionBuf = startBuf; 152264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 152364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 152464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; // skip '(' 152564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // find 'in' and skip it. 152664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startCollectionBuf != ' ' || 152764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 152864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 152964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 153064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; 153164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; 153264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 153364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace: "for (type element in" with string constructed thus far. 153464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 153564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 153664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 153764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 153864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf); 153964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 154064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 154164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 154264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // objects:__rw_items count:16]; 154364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // which is synthesized into: 154464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned int limit = 154564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ((unsigned int (*) 154664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 154764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (void *)objc_msgSend)((id)l_collection, 154864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // sel_registerName( 154964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // "countByEnumeratingWithState:objects:count:"), 155064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct __objcFastEnumerationState *)&state, 155164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id *)__rw_items, (unsigned int)16); 155264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 155364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 155464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 155564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (limit) { 155664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 155764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 155864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long counter = 0; 155964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 156064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (startMutations != *enumState.mutationsPtr) 156164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objc_enumerationMutation(l_collection); 156264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 156364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (limit) {\n\t"; 156464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 156564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t"; 156664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 156764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t\t"; 156864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 156964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 157064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 157164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = ("; 157264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 157364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 157464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 157564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lparenLoc, 1, buf); 157664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 157764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __continue_label: ; 157864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (counter < limit); 157964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 158064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objects:__rw_items count:16]); 158164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 158264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __break_label: ; 158364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 158464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// else 158564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 158664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 158764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// 158864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 158964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__continue_label_"; 159064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 159164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;"; 159264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 159364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 159464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (limit = "; 159564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 159664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ");\n\t"; 159764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 159864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 159964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 160064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 160164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__break_label_"; 160264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 160364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;\n\t"; 160464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n\t"; 160564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else\n\t\t"; 160664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 160764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 160864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 160964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 161064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 161164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 161264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert all these *after* the statement body. 161364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 161464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<CompoundStmt>(S->getBody())) { 161564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1); 161664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 161764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 161864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Need to treat single statements specially. For example: 161964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 162064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) if (stuff()) break; 162164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) xxxyy; 162264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 162364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * The following code simply scans ahead to the semi to find the actual end. 162464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 162564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *stmtBuf = SM->getCharacterData(OrigEnd); 162664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(stmtBuf, ';'); 162764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(semiBuf && "Can't find ';'"); 162864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1); 162964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 163064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 163164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 163264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.pop_back(); 163364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 163464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 163564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 163664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCSynchronizedStmt - 163764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 163864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// into: 163964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_sync_enter(expr); 164064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 164164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 164264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 164364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 164464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 164564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 164664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 164764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 164864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 164964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 165064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_sync_enter((id)"; 165164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lparenBuf = startBuf; 165264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*lparenBuf != '(') lparenBuf++; 165364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 165464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 165564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the sync expression is typically a message expression that's already 165664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // been rewritten! (which implies the SourceLocation's are invalid). 165764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = S->getSynchBody()->getLocStart(); 165864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 165964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*endBuf != ')') endBuf--; 166064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rparenLoc = startLoc.getLocWithOffset(endBuf-startBuf); 166164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ");\n"; 166264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 166364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n"; 166464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 166564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 166664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 166764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 166864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 166964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(rparenLoc, 1, buf); 167064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = S->getSynchBody()->getLocEnd(); 167164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 167264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 167364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '}') && "bogus @synchronized block"); 167464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 167564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "}\nelse {\n"; 167664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 167764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 167864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "{ /* implicit finally clause */\n"; 167964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 168064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 168164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string syncBuf; 168264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += " objc_sync_exit("; 168364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 168464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *syncExpr = S->getSynchExpr(); 168564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = syncExpr->getType()->isObjCObjectPointerType() 168664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : 168764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr->getType()->isBlockPointerType() 168864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 168964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 169064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 169164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, syncExpr); 169264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string syncExprBufS; 169364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream syncExprBuf(syncExprBufS); 169464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr->printPretty(syncExprBuf, *Context, 0, 169564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 169664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += syncExprBuf.str(); 169764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += ");"; 169864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 169964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += syncBuf; 170064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n"; 170164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 170264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 170364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 170464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 170564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 170664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasReturns = false; 170764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(S->getSynchBody(), hasReturns); 170864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasReturns) 170964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteSyncReturnStmts(S->getSynchBody(), syncBuf); 171064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 171164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 171264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 171364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 171464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::WarnAboutReturnGotoStmts(Stmt *S) 171564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 171664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 171764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 171864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 171964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(*CI); 172064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 172164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 172264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(S->getLocStart()), 172364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag); 172464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 172564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 172664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 172764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 172864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HasReturnStmts(Stmt *S, bool &hasReturns) 172964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 173064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 173164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 173264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 173364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(*CI, hasReturns); 173464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 173564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) 173664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian hasReturns = true; 173764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 173864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 173964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTryReturnStmts(Stmt *S) { 174164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 174264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 174364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 174464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTryReturnStmts(*CI); 174564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 174664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) { 174764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 174864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 174964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 175164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'"); 175264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1); 175364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 175564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ objc_exception_try_exit(&_stack); return"; 175664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 6, buf); 175864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, "}"); 175964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 176064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 176164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 176264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 176364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) { 176464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 176564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 176664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 176764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteSyncReturnStmts(*CI, syncExitBuf); 176864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 176964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) { 177064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 177164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 177264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 177364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 177464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'"); 177564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1); 177664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 177764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 177864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ objc_exception_try_exit(&_stack);"; 177964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += syncExitBuf; 178064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " return"; 178164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 178264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 6, buf); 178364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, "}"); 178464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 178564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 178664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 178764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 178864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 178964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 179064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 179164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 179264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @try location"); 179464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 179664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 179764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "/* @try scope begin */ { struct _objc_exception_data {\n"; 179864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 179964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 180064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 180164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 180264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 180364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 4, buf); 180564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = S->getTryBody()->getLocEnd(); 180764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 180864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '}') && "bogus @try block"); 181064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 181164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 181264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getNumCatchStmts()) { 181364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = startLoc.getLocWithOffset(1); 181464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = " /* @catch begin */ else {\n"; 181564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " id _caught = objc_exception_extract(&_stack);\n"; 181664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " objc_exception_try_enter (&_stack);\n"; 181764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (_setjmp(_stack.buf))\n"; 181864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 181964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " else { /* @catch continue */"; 182064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 182164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, buf); 182264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { /* no catch list */ 182364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "}\nelse {\n"; 182464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 182564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 182664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 182764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 182864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *lastCatchBody = 0; 182964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 183064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 183164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *catchDecl = Catch->getCatchParamDecl(); 183264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == 0) 183464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "if ("; // we are generating code for the first catch clause 183564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 183664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "else if ("; 183764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = Catch->getLocStart(); 183864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 183964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 184064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @catch location"); 184164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 184264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lParenLoc = strchr(startBuf, '('); 184364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 184464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Catch->hasEllipsis()) { 184564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now rewrite the body... 184664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCatchBody = Catch->getCatchBody(); 184764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocStart(); 184864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *bodyBuf = SM->getCharacterData(bodyLoc); 184964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' && 185064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @catch paren location"); 185164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*bodyBuf == '{') && "bogus @catch body location"); 185264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 185364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "1) { id _tmp = _caught;"; 185464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf); 185564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (catchDecl) { 185664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = catchDecl->getType(); 185764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (t == Context->getObjCIdType()) { 185864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "1) { "; 185964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 186064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCObjectPointerType *Ptr = 186164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian t->getAs<ObjCObjectPointerType>()) { 186264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Should be a pointer to a class. 186364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 186464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl) { 186564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_match((struct objc_class *)objc_getClass(\""; 186664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += IDecl->getNameAsString(); 186764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\"), (struct objc_object *)_caught)) { "; 186864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 186964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 187064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 187164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now rewrite the body... 187264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCatchBody = Catch->getCatchBody(); 187364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rParenLoc = Catch->getRParenLoc(); 187464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocStart(); 187564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *bodyBuf = SM->getCharacterData(bodyLoc); 187664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rParenBuf = SM->getCharacterData(rParenLoc); 187764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*rParenBuf == ')') && "bogus @catch paren location"); 187864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*bodyBuf == '{') && "bogus @catch body location"); 187964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 188064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here we replace ") {" with "= _caught;" (which initializes and 188164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declares the @catch parameter). 188264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;"); 188364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 188464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("@catch rewrite bug"); 188564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 188664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 188764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the catch list... 188864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (lastCatchBody) { 188964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocEnd(); 189064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(bodyLoc) == '}' && 189164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @catch body location"); 189264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 189364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert the last (implicit) else clause *before* the right curly brace. 189464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bodyLoc = bodyLoc.getLocWithOffset(-1); 189564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "} /* last catch end */\n"; 189664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else {\n"; 189764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = _caught;\n"; 189864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " objc_exception_try_exit(&_stack);\n"; 189964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} } /* @catch end */\n"; 190064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!S->getFinallyStmt()) 190164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 190264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(bodyLoc, buf); 190364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 190464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set lastCurlyLoc 190564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = lastCatchBody->getLocEnd(); 190664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 190764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) { 190864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = finalStmt->getLocStart(); 190964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 191064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @finally start"); 191164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 8, "/* @finally */"); 191364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *body = finalStmt->getFinallyBody(); 191564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = body->getLocStart(); 191664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = body->getLocEnd(); 191764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(startLoc) == '{' && 191864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @finally body location"); 191964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(endLoc) == '}' && 192064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @finally body location"); 192164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = startLoc.getLocWithOffset(1); 192364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n"); 192464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endLoc = endLoc.getLocWithOffset(-1); 192564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n"); 192664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set lastCurlyLoc 192864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = body->getLocEnd(); 192964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 193164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(S->getTryBody()); 193264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { /* no finally clause - make sure we synthesize an implicit one */ 193364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ /* implicit finally clause */\n"; 193464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 193564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; 193664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 193764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 193864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 194064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The implicit finally clause won't called if the @try contains any 194164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // jump statements. 194264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasReturns = false; 194364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(S->getTryBody(), hasReturns); 194464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasReturns) 194564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTryReturnStmts(S->getTryBody()); 194664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 194764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now emit the final closing curly brace... 194864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = lastCurlyLoc.getLocWithOffset(1); 194964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(lastCurlyLoc, " } /* @try scope end */\n"); 195064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 195164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 195264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 195364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// This can't be done with ReplaceStmt(S, ThrowExpr), since 195464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// the throw expression is typically a message expression that's already 195564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// been rewritten! (which implies the SourceLocation's are invalid). 195664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 195764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 195864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 195964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 196064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 196164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @throw location"); 196264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 196364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 196464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* void objc_exception_throw(id) __attribute__((noreturn)); */ 196564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getThrowExpr()) 196664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw("; 196764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else // add an implicit argument 196864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw(_caught"; 196964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // handle "@ throw" correctly. 197164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *wBuf = strchr(startBuf, 'w'); 197264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*wBuf == 'w') && "@throw: can't find 'w'"); 197364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, wBuf-startBuf+1, buf); 197464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 197664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@throw: can't find ';'"); 197764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf); 197864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(semiLoc, 1, ");"); 197964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 198064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 198164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 198264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 198364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a new string expression. 198464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType StrType = Context->getPointerType(Context->CharTy); 198564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StrEncoding; 198664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 198764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = StringLiteral::Create(*Context, StrEncoding, 198864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 198964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StrType, SourceLocation()); 199064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, Replacement); 199164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 199264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace this subexpr in the parent. 199364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 199464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 199564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 199664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 199764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 199864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 199964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 200064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 200164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"). 200264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 200364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 200464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 200564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 200664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 200764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 200864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 200964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size()); 201064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, SelExp); 201164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 201264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SelExp; 201364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 201464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianCallExpr *RewriteModernObjC::SynthesizeCallToFunctionDecl( 201664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 201764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 201864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 201964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = FD->getType(); 202064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 202164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 202264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = 202364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(FD, msgSendType, VK_LValue, SourceLocation()); 202464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 202564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, we cast the reference to a pointer to the objc_msgSend type. 202664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType pToFunc = Context->getPointerType(msgSendType); 202764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr *ICE = 202864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 202964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE, 0, VK_RValue); 203064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 203164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 203264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 203364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Exp = 203464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) CallExpr(*Context, ICE, args, nargs, 203564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getCallResultType(*Context), 203664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, EndLoc); 203764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Exp; 203864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 203964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 204064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 204164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&startRef, const char *&endRef) { 204264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 204364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '<') 204464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startRef = startBuf; // mark the start. 204564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '>') { 204664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (startRef && *startRef == '<') { 204764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endRef = startBuf; // mark the end. 204864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 204964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 205064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 205164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 205264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 205364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 205464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 205564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 205664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 205764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 205864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int angle = 0; 205964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 206064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argRef == '<') 206164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle++; 206264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argRef == '>') 206364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle--; 206464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argRef++; 206564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 206664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 206764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 206864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 206964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::needToScanForQualifiers(QualType T) { 207064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 207164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 207264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 207364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 207464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 207564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 207664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCObjectPointerType()) { 207764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = T->getPointeeType(); 207864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 207964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 208064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isArrayType()) { 208164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 208264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return needToScanForQualifiers(ElemTy); 208364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 208464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 208564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 208664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 208764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 208864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = E->getType(); 208964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 209064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc, EndLoc; 209164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 209264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 209364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = ECE->getLParenLoc(); 209464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = ECE->getRParenLoc(); 209564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 209664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = E->getLocStart(); 209764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = E->getLocEnd(); 209864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This will defend against trying to rewrite synthesized expressions. 210064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid() || EndLoc.isInvalid()) 210164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 210264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 210364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 210464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(EndLoc); 210564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 210664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 210764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 210864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf); 210964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1); 211064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 211164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 211264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 211364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 211464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 211564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 211664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 211764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 211864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc; 211964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type; 212064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = 0; 212164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 212264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = VD->getLocation(); 212364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = VD->getType(); 212464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 212564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 212664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 212764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 212864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 212964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 213064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(funcType && "missing function type"); 213164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian proto = dyn_cast<FunctionProtoType>(funcType); 213264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 213364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 213464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = proto->getResultType(); 213564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 213664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 213764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 213864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = FD->getType(); 213964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 214064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 214164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 214264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 214364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 214464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 214564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 214664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(Loc); 214764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = endBuf; 214864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 214964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; // scan backward (from the decl location) for return type. 215064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 215164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 215264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 215364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf); 215464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1); 215564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 215664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 215764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 215864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 216064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 216164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // most likely, was a variable 216264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check arguments. 216364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 216464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startFuncBuf = startBuf; 216564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < proto->getNumArgs(); i++) { 216664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(proto->getArgType(i))) { 216764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 216864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 216964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 217064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan forward (from the decl location) for argument types. 217164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian scanToNextArgument(endBuf); 217264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 217364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 217464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 217564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = 217664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(startRef-startFuncBuf); 217764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = 217864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(endRef-startFuncBuf+1); 217964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 218064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 218164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 218264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 218364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = ++endBuf; 218464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 218564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 218664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If the function name is derived from a macro expansion, then the 218764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // argument buffer will not follow the name. Need to speak with Chris. 218864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf && *startBuf != ')' && *startBuf != ',') 218964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 219064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 219164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 219264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 219364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 219464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 219564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeOfDecl(VarDecl *ND) { 219664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = ND->getType(); 219764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 219864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 219964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 220064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 220164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 220264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 220364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypePtr = QT->getAs<Type>(); 220464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 220564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 220664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // __typeof__(a) b,c,d; 220764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy())); 220864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 220964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 221064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ND->getInit()) { 221164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 221264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += " " + Name + " = "; 221364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 221464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 221564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 221664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 221764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 221864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 221964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 222064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 222164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 222264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 222364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 222464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 222564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 222664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 222764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 222864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 222964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 223064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 223164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 223264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSelGetUidFunctionDecl() { 223364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 223464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 223564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 223664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getFuncType = 223764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 223864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 223964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 224064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 224164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidIdent, getFuncType, 0, 224264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 224364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 224464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 224564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 224664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteFunctionDecl(FunctionDecl *FD) { 224764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <objc/objc.h> 224864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getIdentifier() && 224964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getName() == "sel_registerName") { 225064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FD; 225164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 225264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 225364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 225464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 225564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 225664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 225764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 225864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 225964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strchr(argPtr, '^')) { 226064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += TypeString; 226164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 226264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 226364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 226464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 226564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 226664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 226764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 226864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 226964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 227064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerTypeVariable(std::string& Str, 227164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD) { 227264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = VD->getType(); 227364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 227464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 227564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int paren = 0; 227664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 227764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 227864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 227964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 228064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren++; 228164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 228264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 228364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 228464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren--; 228564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 228664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 228764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += '*'; 228864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (paren == 1) 228964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += VD->getNameAsString(); 229064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 229164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 229264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 229364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 229464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 229564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 229664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 229764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 229864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 229964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 230064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 230164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 230264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 230364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 230464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 230564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 230664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = proto->getResultType(); 230764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FdStr = Type.getAsString(Context->getPrintingPolicy()); 230864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += " "; 230964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += FD->getName(); 231064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += "("; 231164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 231264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 231364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ArgType = proto->getArgType(i); 231464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 231564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i+1 < numArgs) 231664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ", "; 231764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 231864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ");\n"; 231964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, FdStr); 232064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 232164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 232264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 232364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 232464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSuperContructorFunctionDecl() { 232564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperContructorFunctionDecl) 232664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 232764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 232864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 232964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 233064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 233164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 233264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 233364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 233464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 233564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 233664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 233964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 234064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 234164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 234264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 234364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 234464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFunctionDecl() { 234564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 234664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 234764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 234864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 234964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 235064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 235164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 235264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 235364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 235464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 235564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 235664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 235764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 236064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 236164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 236264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 236364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 236464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 236564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperFunctionDecl() { 236664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 236764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 236864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 236964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 237064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 237164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 237264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 237364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 237564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 237664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 237864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 237964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 238064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 238164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 238264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 238364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 238464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 238564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 238664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 238764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 238864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 238964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendStretFunctionDecl() { 239064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 239164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 239264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 239364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 239464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 239664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 239764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 239964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 240064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 240164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 240264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 240464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 240564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 240664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 240764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 240864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 240964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperStretFunctionDecl - 241064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 241164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperStretFunctionDecl() { 241264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = 241364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 241464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 241564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 241664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 241764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 241864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 241964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 242064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 242164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 242264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 242364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 242464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 242564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 242664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 242764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 242864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 242964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 243064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 243164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 243264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 243364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 243464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 243564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 243664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFpretFunctionDecl() { 243764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 243864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 243964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 244064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 244164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 244264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 244364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 244464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 244564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 244664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 244764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 244864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 244964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 245064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 245164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 245264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 245364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 245464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 245564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 245764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetClassFunctionDecl() { 245864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 245964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 246064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 246164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 246264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 246364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 246464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 246564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 246664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 246764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 246864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 246964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 247064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 247164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 247264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetSuperClassFunctionDecl() { 247364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 247464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 247564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 247664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 247764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 247864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 247964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 248064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 248164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 248264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSuperClassIdent, 248364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassType, 0, 248464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 248564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, 248664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 248764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 248864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 248964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetMetaClassFunctionDecl - id objc_getMetaClass(const char *name); 249064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetMetaClassFunctionDecl() { 249164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 249264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 249364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 249464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 249564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 249664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 249764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 249864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 249964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 250064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 250164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 250264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 250364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 250564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType strType = getConstantStringStructType(); 250664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "__NSConstantStringImpl_"; 250864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string tmpName = InFileName; 251064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned i; 251164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (i=0; i < tmpName.length(); i++) { 251264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char c = tmpName.at(i); 251364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace any non alphanumeric characters with '_'. 251464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isalpha(c) && (c < '0' || c > '9')) 251564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian tmpName[i] = '_'; 251664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 251764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += tmpName; 251864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_"; 251964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(NumObjCStringLiterals++); 252064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 252164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "static __NSConstantStringImpl " + S; 252264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 252364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "0x000007c8,"; // utf8_str 252464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The pretty printer for StringLiteral handles escape characters properly. 252564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string prettyBufS; 252664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream prettyBuf(prettyBufS); 252764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getString()->printPretty(prettyBuf, *Context, 0, 252864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 252964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += prettyBuf.str(); 253064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += ","; 253164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 253264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 253364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 253464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), &Context->Idents.get(S), 253564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strType, 0, SC_Static, SC_None); 253664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, strType, VK_LValue, 253764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 253864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 253964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 254064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 254164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 254264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // cast to NSConstantString * 254364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 254464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_CPointerToObjCPointerCast, Unop); 254564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, cast); 254664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 254764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return cast; 254864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 254964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 255164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getSuperStructType() { 255264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SuperStructDecl) { 255364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 255464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 255564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 255664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[2]; 255764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 255964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 256064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_class *super; 256164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->getObjCClassType(); 256264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 256364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 256464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 2; ++i) { 256564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 256664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 256764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 256864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 256964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 257064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/false, 257164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 257264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 257364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 257464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->completeDefinition(); 257564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 257664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(SuperStructDecl); 257764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 257864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 257964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getConstantStringStructType() { 258064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ConstantStringDecl) { 258164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 258264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 258364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__NSConstantStringImpl")); 258464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[4]; 258564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 258664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 258764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 258864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // int flags; 258964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->IntTy; 259064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // char *str; 259164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[2] = Context->getPointerType(Context->CharTy); 259264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // long length; 259364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[3] = Context->LongTy; 259464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 259564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 259664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 4; ++i) { 259764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 259864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl, 259964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 260064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 260164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 260264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 260364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/true, 260464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 260564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 260664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 260764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->completeDefinition(); 260864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 260964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(ConstantStringDecl); 261064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 261164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 261264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 261364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc, 261464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 261564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 261664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 261764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFunctionDecl) 261864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFunctionDecl(); 261964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperFunctionDecl) 262064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperFunctionDecl(); 262164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendStretFunctionDecl) 262264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendStretFunctionDecl(); 262364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 262464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 262564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 262664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 262764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetClassFunctionDecl) 262864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetClassFunctionDecl(); 262964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetSuperClassFunctionDecl) 263064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 263164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetMetaClassFunctionDecl) 263264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetMetaClassFunctionDecl(); 263364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 263464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // default to objc_msgSend(). 263564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 263664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // May need to use objc_msgSend_stret() as well. 263764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 263864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 263964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType resultType = mDecl->getResultType(); 264064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (resultType->isRecordType()) 264164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 264264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (resultType->isRealFloatingType()) 264364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 264464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 264564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 264664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize a call to objc_msgSend(). 264764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> MsgExprs; 264864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (Exp->getReceiverKind()) { 264964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: { 265064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 265164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 265264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 265364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 265464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 265664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 265864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set the receiver to self, the first argument to all methods. 266064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 266164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 266264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 266364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 266464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 266564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, 266664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())) 266764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 266864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 266964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 267064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 267164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 267264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 267364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 267464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 267564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 267664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 267764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 267864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 267964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 268064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 268164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 268264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 268364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 268464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 268564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 268664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 268764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 268864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 268964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 269064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 269164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 269264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 269364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( // set 'super class', using class_getSuperclass(). 269464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 269564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 269664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 269764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 269864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 269964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 270064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 270164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 270264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 270364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 270464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 270564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 270664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 270764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 270864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 270964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 271064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 271164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 271264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 271364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 271464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 271564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 271664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 271764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 271864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 271964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 272064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 272164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 272264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 272364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 272464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 272564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 272664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 272764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 272864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 272964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 273064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 273164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 273264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 273364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 273464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ILE, false); 273564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super * 273664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 273764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 273864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 273964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 274064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 274164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 274264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 274364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 274464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 274564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: { 274664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 274764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 274864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *Class 274964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 275064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 275164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 275264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsName->getName(), 275364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 275464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 275564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 275664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 275764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 275864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 275964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(Cls); 276064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 276164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 276264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 276364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance:{ 276464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 276564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 276664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 276764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 276864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 276964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 277064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 277164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 277264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 277364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 277464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 277564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 277664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, SourceLocation())) 277764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 277864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 277964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 278064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 278164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 278264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 278364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 278464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, argType, 278564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())); 278664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 278764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 278864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 278964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 279064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 279164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 279264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 279364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 279464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 279564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 279664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 279764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 279864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 279964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 280064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 280164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 280264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 280364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set 'super class', using class_getSuperclass(). 280464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 280564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 280664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 280764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 280864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 280964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 281064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 281164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 281264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 281364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 281464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 281564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 281664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 281764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 281864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, SourceLocation()); 281964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 282064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 282164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 282264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 282364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 282464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 282564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 282664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 282764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 282864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 282964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 283064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 283164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 283264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 283364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 283464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 283564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 283664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 283764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 283864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 283964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 284064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 284164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_RValue, ILE, 284264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 284364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 284464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 284564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 284664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 284764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 284864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: { 284964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remove all type-casts because it may contain objc-style types; e.g. 285064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Foo<Proto> *. 285164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *recExpr = Exp->getInstanceReceiver(); 285264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 285364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = CE->getSubExpr(); 285464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = recExpr->getType()->isObjCObjectPointerType() 285564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : recExpr->getType()->isBlockPointerType() 285664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 285764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 285864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 285964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 286064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, recExpr); 286164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(recExpr); 286264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 286364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 286464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 286564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 286664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"), it will be the 2nd argument. 286764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 286864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 286964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 287064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 287164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 287264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 287364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 287464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size(), 287564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 287664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 287764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SelExp); 287864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 287964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now push any user supplied arguments. 288064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 288164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *userExpr = Exp->getArg(i); 288264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make all implicit casts explicit...ICE comes in handy:-) 288364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 288464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Reuse the ICE type, it is exactly what the doctor ordered. 288564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType type = ICE->getType(); 288664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(type)) 288764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type = Context->getObjCIdType(); 288864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 288964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 289064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Expr *SubExpr = ICE->IgnoreParenImpCasts(); 289164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 289264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isIntegralType(*Context) && 289364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type->isBooleanType()) { 289464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToBoolean; 289564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (type->isObjCObjectPointerType()) { 289664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isBlockPointerType()) { 289764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 289864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (SubExpr->getType()->isPointerType()) { 289964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 290064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 290164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 290264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 290464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 290564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 290764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr); 290864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 291064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 291164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getType()->isObjCQualifiedIdType()) { 291264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 291364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = CE->getSubExpr(); 291464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 291564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (userExpr->getType()->isIntegralType(*Context)) { 291664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToPointer; 291764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isBlockPointerType()) { 291864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 291964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isPointerType()) { 292064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 292164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 292264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 292364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 292464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 292564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, userExpr); 292664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 292764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 292864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(userExpr); 292964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We've transferred the ownership to MsgExprs. For now, we *don't* null 293064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // out the argument in the original expression (since we aren't deleting 293164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 293264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //Exp->setArg(i, 0); 293364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 293464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the funky cast. 293564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast; 293664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 293764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType returnType; 293864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 293964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push 'id' and 'SEL', the 2 implicit arguments. 294064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendFlavor == MsgSendSuperFunctionDecl) 294164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 294264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 294364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 294464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 294564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 294664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push any user argument types. 294764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 294864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 294964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = (*PI)->getType()->isObjCQualifiedIdType() 295064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? Context->getObjCIdType() 295164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : (*PI)->getType(); 295264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 295364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 295464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 295564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Exp->getType(); 295764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(returnType); 295864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 295964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 296064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Context->getObjCIdType(); 296164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 296264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 296364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 296464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 296664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, msgSendType, 296764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 296864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 297064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't do this cast, we get the following bizarre warning/note: 297164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: warning: function called through a non-compatible type 297264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: note: if this code is reached, the program will abort 297364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 297464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 297564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, DRE); 297664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 297764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 297864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castType = 297964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 298064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't have a method decl, force a variadic cast. 298164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 298264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 298364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 298464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 298564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 298764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 298864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 299064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 299164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 299264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 299364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 299464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = CE; 299564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) { 299664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have the method which returns a struct/union. Must also generate 299764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 299864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression which dictate which one to envoke depending on size of 299964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // method's return type. 300064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 300164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 300264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, msgSendType, 300364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 300464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 300564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 300664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 300764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, STDRE); 300864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 300964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 301064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 301164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 301264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 301364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 301464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 301664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 301764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT = msgSendType->getAs<FunctionType>(); 301964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 302064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 302164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 302264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 302364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 302464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build sizeof(returnType) 302564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryExprOrTypeTraitExpr *sizeofExpr = 302664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf, 302764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getTrivialTypeSourceInfo(returnType), 302864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getSizeType(), SourceLocation(), 302964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 303064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 303164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 303264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 303364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is needed to decide what to do. 303464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 303564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 303664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IntegerLiteral *limit = IntegerLiteral::Create(*Context, 303764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::APInt(IntSize, 8), 303864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, 303964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 304064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BinaryOperator *lessThanExpr = 304164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 304264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 304364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 304464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 304564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(lessThanExpr, 304664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), CE, 304764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), STCE, 304864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType, VK_RValue, OK_Ordinary); 304964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 305064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CondExpr); 305164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 305264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 305364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 305464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 305564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 305664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 305764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 305864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getLocEnd()); 305964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the actual rewrite. 306164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, ReplacingStmt); 306264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 306464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 306564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 306664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// typedef struct objc_object Protocol; 306864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getProtocolType() { 306964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ProtocolTypeDecl) { 307064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo 307164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 307264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 307364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 307464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("Protocol"), 307564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TInfo); 307664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 307764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTypeDeclType(ProtocolTypeDecl); 307864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 307964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 308064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 308164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// a synthesized/forward data reference (to the protocol's metadata). 308264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// The forward references (and metadata) are generated in 308364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteModernObjC::HandleTranslationUnit(). 308464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 308564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString(); 308664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(Name); 308764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 308864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, getProtocolType(), 0, 308964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, SC_None); 309064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, getProtocolType(), VK_LValue, 309164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 309264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 309364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 309464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 309564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 309664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 309764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DerefExpr); 309864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, castExpr); 309964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl()); 310064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 310164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return castExpr; 310264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 310364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 310464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 310564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::BufferContainsPPDirectives(const char *startBuf, 310664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf) { 310764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 310864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '#') { 310964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Skip whitespace. 311064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 311164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ; 311264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(startBuf, "if", strlen("if")) || 311364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifdef", strlen("ifdef")) || 311464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifndef", strlen("ifndef")) || 311564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "define", strlen("define")) || 311664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "undef", strlen("undef")) || 311764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "else", strlen("else")) || 311864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "elif", strlen("elif")) || 311964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "endif", strlen("endif")) || 312064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "pragma", strlen("pragma")) || 312164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include", strlen("include")) || 312264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "import", strlen("import")) || 312364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include_next", strlen("include_next"))) 312464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 312564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 312764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 312964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 313064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 313164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to 313264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// an objective-c class with ivars. 313364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 313464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 313564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 313664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl->getName() != "" && 313764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "Name missing in SynthesizeObjCInternalStruct"); 313864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3139a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 3140a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 3141a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian IVD; IVD = IVD->getNextIvar()) { 3142a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian // Ignore unnamed bit-fields. 3143a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian if (!IVD->getDeclName()) 3144a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian continue; 3145a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian IVars.push_back(IVD); 3146a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian } 314764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 314864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc(); 3149a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 315064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 315164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 3152a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 315364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 315464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3155a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian if ((!CDecl->isThisDeclarationADefinition() || IVars.size() == 0) && 315664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 315764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 315864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 315964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 316064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3161a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 316264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct "; 316364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 3164a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL {\n"; 3165a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 3166f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3167a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "\tstruct "; Result += RCDecl->getNameAsString(); 3168a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IMPL "; Result += RCDecl->getNameAsString(); 3169a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "_IVARS;\n"; 3170a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian } 3171a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian 3172a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian for (unsigned i = 0, e = IVars.size(); i < e; i++) { 3173a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian ObjCIvarDecl *IvarDecl = IVars[i]; 3174a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian QualType Type = IvarDecl->getType(); 31750b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian std::string Name = IvarDecl->getNameAsString(); 31760b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian 3177a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "\t"; 3178164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertObjCTypeToCStyleType(Type); 3179164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 31800b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian Type.getAsStringInternal(Name, Context->getPrintingPolicy()); 31810b17b9a1b6ec0522dda5ddd8244844eb9ab1cc1cFariborz Jahanian Result += Name; 31828f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (IvarDecl->isBitField()) { 31838f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian Result += " : "; Result += utostr(IvarDecl->getBitWidthValue(*Context)); 31848f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 3185a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += ";\n"; 318664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 3187a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += "};\n"; 3188a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3189a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 3190f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Mark this struct as having been generated. 3191f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.insert(CDecl)) 3192f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian llvm_unreachable("struct already synthesize- RewriteObjCInternalStruct"); 319364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 319464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 319564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 319664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Meta Data Emission 319764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 319864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 319964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 320064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 320164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// and emits meta-data. 320264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 320364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementations() { 320464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 320564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 320664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 320764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite implemented methods 32088f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 32098f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCImplementationDecl *OIMP = ClassImplementation[i]; 32108f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian ObjCInterfaceDecl *CDecl = OIMP->getClassInterface(); 32118f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 32128f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian assert(false && 32138f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 32148f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Write struct declaration for the class matching its ivar declarations. 32158f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // Note that for modern abi, this is postponed until implementation decl. 32168f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // because class extensions and the implementation might declare their own 32178f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // private ivars. 32188f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteInterfaceDecl(CDecl); 32198f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian RewriteImplementationDecl(OIMP); 32208f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian } 322164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 322264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 322364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementationDecl(CategoryImplementation[i]); 322464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 322564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 322664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefString(std::string &ResultStr, 322764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Name, 322864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def) { 322964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 323064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 323164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (def) 323264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 323364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 323464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 323564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 323664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 323764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 323864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 323964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 324064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 324164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 324264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 324364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 324464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 324564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 324664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *AFT = CE->getFunctionType(); 324764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType RT = AFT->getResultType(); 324864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 324964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" + 325064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian funcName.str() + "_" + "block_func_" + utostr(i); 325164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 325264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDecl *BD = CE->getBlockDecl(); 325364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 325464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<FunctionNoProtoType>(AFT)) { 325564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // No user-supplied arguments. Still need to pass in a pointer to the 325664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block (to reference imported block decl refs). 325764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 325864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (BD->param_empty()) { 325964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 326064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 326164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 326264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "SynthesizeBlockFunc: No function proto"); 326364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += '('; 326464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // first add the implicit argument. 326564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += StructRef + " *__cself, "; 326664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr; 326764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::param_iterator AI = BD->param_begin(), 326864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BD->param_end(); AI != E; ++AI) { 326964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (AI != BD->param_begin()) S += ", "; 327064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParamStr = (*AI)->getNameAsString(); 327164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*AI)->getType(); 327264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 327364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 327464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 327564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 327664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ParamStr; 327764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 327864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 327964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BD->param_empty()) S += ", "; 328064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "..."; 328164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 328264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ')'; 328364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 328464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n"; 328564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 328664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create local declarations to avoid rewriting all closure decl ref exprs. 328764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // First, emit a declaration for all "by ref" decls. 328864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 328964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 329064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 329164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 329264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 329364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 329464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 329564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = TypeString + Name; 329664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 329764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 329864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Next, emit a declaration for all "by copy" declarations. 329964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 330064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 330164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 330264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 330364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 330464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedClosure)(void); 330564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 330664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 330764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherClosure)(void); 330864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherClosure = ^(void) { 330964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure(); // import and invoke the closure 331064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 331164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 331264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 331364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 331464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " = ("; 331564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 331664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ")"; 331764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 331864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 331964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 332064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 332164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 332264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 332364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 332464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 332564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + 332664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 332764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 332864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 332964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RewrittenStr = RewrittenBlockExprs[CE]; 333064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *cstr = RewrittenStr.c_str(); 333164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*cstr++ != '{') ; 333264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += cstr; 333364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\n"; 333464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 333564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 333664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 333764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 333864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 333964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 334064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 334164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static void __"; 334264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 334364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 334464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_copy_" + utostr(i); 334564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 334664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*dst, " + StructRef; 334764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 334864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 334964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 335064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 335164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_assign((void*)&dst->"; 335264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 335364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", (void*)src->"; 335464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 335564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 335664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 335764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 335864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 335964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 336064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 336164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 336264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 336364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 336464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\nstatic void __"; 336564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 336664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_dispose_" + utostr(i); 336764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 336864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 336964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 337064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 337164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 337264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_dispose((void*)src->"; 337364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 337464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 337564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 337664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 337764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 337864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 337964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 338064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 338164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 338264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 338364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 338464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 338564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 338664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Desc) { 338764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstruct " + Tag; 338864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Constructor = " " + Tag; 338964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n struct __block_impl impl;\n"; 339164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " struct " + Desc; 339264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "* Desc;\n"; 339364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "(void *fp, "; // Invoke function pointer. 339564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "struct " + Desc; // Descriptor pointer. 339664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " *desc"; 339764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 339964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 340064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 340164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 340264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 340364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 340464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 340564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 340664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 340764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedBlock)(void); 340864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 340964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 341064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherBlock)(void); 341164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherBlock = ^(void) { 341264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock(); // import and invoke the closure 341364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 341464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 341564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 341664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "struct __block_impl *"; 341764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", void *" + ArgName; 341864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 341964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 342064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 342164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 342264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->getPrintingPolicy()); 342364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->getPrintingPolicy()); 342464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 342564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 342664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + ";\n"; 342764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 342864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 342964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 343064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 343164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 343264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 343364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 343464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 343564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 343664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 343764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 343864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldName = TypeString + FieldName; 343964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgName = TypeString + ArgName; 344064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 344164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 344264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + "; // by ref\n"; 344364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 344464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 344564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0)"; 344664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by copy" arguments. 344764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool firsTime = true; 344864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 344964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 345064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 345164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 345264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 345364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 345464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 345564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 345664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 345764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 345864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 345964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 346064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 346164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 346264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by ref" arguments. 346364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 346464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 346564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 346664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 346764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 346864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 346964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 347064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 347164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 347264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 347364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 347464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 347564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " {\n"; 347664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 347764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 347864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 347964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 348064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 348164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 348264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 348364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 348464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 348564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0) {\n"; 348664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 348764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 348864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 348964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 349064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 349164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 349264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 349364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " "; 349464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "}\n"; 349564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Constructor; 349664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 349764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 349864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 349964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 350064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockDescriptor(std::string DescTag, 350164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, int i, 350264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName, 350364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy) { 350464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstatic struct " + DescTag; 350564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 350664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n unsigned long reserved;\n"; 350764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " unsigned long Block_size;\n"; 350864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 350964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*copy)(struct "; 351064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*, struct "; 351164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 351264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 351364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*dispose)(struct "; 351464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 351564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 351664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "} "; 351764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 351864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += DescTag + "_DATA = { 0, sizeof(struct "; 351964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag + ")"; 352064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 352164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 352264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 352364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 352464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 352564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 352664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 352764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 352864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 352964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName) { 353064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is used. 353164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 353264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 353364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool RewriteSC = (GlobalVarDecl && 353464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !Blocks.empty() && 353564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getStorageClass() == SC_Static && 353664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 353764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 353864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC(" void __"); 353964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 354064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "() {}"; 354164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 354264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 354364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 354464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert closures that were part of the function. 354564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 354664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 354764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 354864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block. 354964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 355064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefExpr *Exp = InnerDeclRefs[count++]; 355164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 355264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 355364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 355464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 355564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 355664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 355764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 355864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 355964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 356064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 356164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // imported objects in the inner blocks not used in the outer 356264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 356364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Exp->isByRef() || 356464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCObjectPointerType() || 356564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isBlockPointerType()) 356664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(VD); 356764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 356864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 356964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 357064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 357164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 357264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 357364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 357464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CI); 357564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 357664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 357764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 357864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CF); 357964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 358064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 358164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 358264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 358364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 358464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 358564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.size() > 0); 358664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, BD); 358764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 358864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 358964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 359064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 359164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 359264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 359364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 359464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 359564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 359664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 359764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // removed as result of rewriting of block literals. 359864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC; 359964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getStorageClass() == SC_Static) 360064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC = "static "; 360164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 360264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "const "; 360364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 360464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "volatile "; 360564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 360664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "restrict "; 360764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 360864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 360964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 361064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.clear(); 361164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.clear(); 361264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.clear(); 361364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs.clear(); 361464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 361564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 361664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 361764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 361864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FuncName = FD->getName(); 361964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 362164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 362264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 362464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD) { 362564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 362664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = IFace->getName(); 362764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 362864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Convert colons to underscores. 362964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type loc = 0; 363064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 363164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name.replace(loc, 1, "_"); 363264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 363364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 363464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 363564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 363664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //SourceLocation FunLocStart = MD->getLocStart(); 363764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 363864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 363964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 364064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 364164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 364264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 364364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetBlockDeclRefExprs(Stmt *S) { 364464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 364564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 364664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 364764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(CBE->getBody()); 364864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 364964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(*CI); 365064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 365164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 365264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 365364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Handle enums. 365464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl())) 365564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(CDRE); 365664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 365764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 365864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(DRE->getDecl())) { 365964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefExpr *BDRE = 366064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context)BlockDeclRefExpr(cast<VarDecl>(DRE->getDecl()), 366164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getType(), 366264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, DRE->getLocation(), false); 366364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(BDRE); 366464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 366564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 366764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 366864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetInnerBlockDeclRefExprs(Stmt *S, 367064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 367164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 367264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 367364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 367464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 367564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 367664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 367764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 367864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 367964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 368064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 368164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 368264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 368364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 368464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 368564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 368664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 368764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 368864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl()) && 368964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !InnerContexts.count(CDRE->getDecl()->getDeclContext())) 369064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs.push_back(CDRE); 369164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 369264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 369364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 369464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Var->isFunctionOrMethodVarDecl()) 369564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.insert(Var); 369664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 369764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 369864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 369964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 370064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 3701164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// convertObjCTypeToCStyleType - This routine converts such objc types 3702164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// as qualified objects, and blocks to their closest c/c++ types that 3703164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian/// it can. It returns true if input type was modified. 3704164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanianbool RewriteModernObjC::convertObjCTypeToCStyleType(QualType &T) { 3705164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType oldT = T; 3706164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertBlockPointerToFunctionPointer(T); 3707164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (T->isFunctionPointerType()) { 3708164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian QualType PointeeTy; 3709164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const PointerType* PT = T->getAs<PointerType>()) { 3710164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian PointeeTy = PT->getPointeeType(); 3711164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (const FunctionType *FT = PointeeTy->getAs<FunctionType>()) { 3712164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = convertFunctionTypeOfBlocks(FT); 3713164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian T = Context->getPointerType(T); 3714164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3715164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3716164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian } 3717164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 3718164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian convertToUnqualifiedObjCType(T); 3719164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian return T != oldT; 3720164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian} 3721164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian 372264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 372364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 372464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// might be block pointers to an equivalent function type replacing 372564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// all block pointers to function pointers. 372664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 372764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 372864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 372964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 373064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 373164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Res = FT->getResultType(); 3732164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian bool modified = convertObjCTypeToCStyleType(Res); 373364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 373464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 373564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 373664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 373764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 373864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 3739164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (convertObjCTypeToCStyleType(t)) 3740164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian modified = true; 374164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 374264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 374364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 374464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FuncType; 3745164d6f8c7e040cb766b071ce92320a18dafbece1Fariborz Jahanian if (modified) 374664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 374764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else FuncType = QualType(FT, 0); 374864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FuncType; 374964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 375064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 375264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Navigate to relevant type information. 375364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *CPT = 0; 375464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 375664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = DRE->getType()->getAs<BlockPointerType>(); 375764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const BlockDeclRefExpr *CDRE = 375864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BlockDeclRefExpr>(BlockExp)) { 375964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = CDRE->getType()->getAs<BlockPointerType>(); 376064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 376164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = MExpr->getType()->getAs<BlockPointerType>(); 376264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 376364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 376464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 376564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 376664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 376764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 376864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ConditionalOperator *CEXPR = 376964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 377064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 377164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 377264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 377364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 377464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 377564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 377664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(CONDExp, 377764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 377864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 377964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, OK_Ordinary); 378064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CondExpr; 378164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 378264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 378364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const PseudoObjectExpr *POE 378464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<PseudoObjectExpr>(BlockExp)) { 378564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = POE->getType()->castAs<BlockPointerType>(); 378664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 378764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(1 && "RewriteBlockClass: Bad type"); 378864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 378964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CPT && "RewriteBlockClass: Bad type"); 379064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 379164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "RewriteBlockClass: Bad type"); 379264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 379364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 379464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 379564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 379664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 379764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__block_impl")); 379864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 379964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 380064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 380164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 380264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 380364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push the block argument type. 380464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(PtrBlock); 380564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 380664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 380764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 380864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 380964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 381064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 381164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(t); 381264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 381364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 381464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 381564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the pointer to function cast. 381664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrToFuncCastType 381764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 381864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 381964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 382064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 382164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 382264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 382364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const_cast<Expr*>(BlockExp)); 382464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 382564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 382664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkCast); 382764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //PE->dump(); 382864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 382964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 383064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 383164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("FuncPtr"), 383264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 383364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 383464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 383564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 383664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 383764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 383864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 384064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 384164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, ME); 384264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 384364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 384464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> BlkExprs; 384564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the implicit argument. 384664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(BlkCast); 384764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the user arguments. 384864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CallExpr::arg_iterator I = Exp->arg_begin(), 384964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = Exp->arg_end(); I != E; ++I) { 385064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(*I); 385164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 385264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 385364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.size(), 385464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, 385564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 385664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CE; 385764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 385864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 385964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// We need to return the rewritten expression to handle cases where the 386064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// BlockDeclRefExpr is embedded in another expression being rewritten. 386164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// For example: 386264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 386364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// int main() { 386464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block Foo *f; 386564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block int i; 386664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 386764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// void (^myblock)() = ^() { 386864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// [f test]; // f is a BlockDeclRefExpr embedded in a message (which is being rewritten). 386964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// i = 77; 387064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// }; 387164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//} 387264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBlockDeclRefExpr(Expr *DeclRefExp) { 387364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 387464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 387564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD; 387664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isArrow = true; 387764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(DeclRefExp)) 387864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD = BDRE->getDecl(); 387964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 388064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD = cast<DeclRefExpr>(DeclRefExp)->getDecl(); 388164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isArrow = false; 388264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 388364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 388464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 388564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 388664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__forwarding"), 388764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 388864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 388964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 389064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 389164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD, SourceLocation(), 389264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 389364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 389464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Name = VD->getName(); 389664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 389764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(Name), 389864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 389964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 390064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 390164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 390264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getType(), VK_LValue, OK_Ordinary); 390364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 390464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 390564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 390664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 390764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(), 390864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getExprLoc(), 390964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME); 391064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DeclRefExp, PE); 391164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 391264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 391364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 391464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Rewrites the imported local variable V with external storage 391564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// (static, extern, etc.) as *V 391664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 391764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 391864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 391964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 392064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 392164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return DRE; 392264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 392364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary, 392464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getLocation()); 392564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 392664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 392764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp); 392864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DRE, PE); 392964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 393064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 393164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCastExpr(CStyleCastExpr *CE) { 393364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CE->getLParenLoc(); 393464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CE->getRParenLoc(); 393564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite synthesized casts. 393764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 393864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 393964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite casts contained in macros. 394064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 394164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 394264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 394364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 394464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 394564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = CE->getType(); 394664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 394764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 394864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 394964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 395064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString = "("; 395164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 395264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += ")"; 395364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 395464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 395564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 395664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 395764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startBuf; 395864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 395964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && (argPtr < endBuf)) { 396064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 396164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 396264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 396364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart = LocStart.getLocWithOffset(argPtr-startBuf); 396464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 1, "*"); 396564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 396664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 396764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 396864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 396964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 397064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 397264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = FD->getLocation(); 397364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 0; 397464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have 1 or more arguments that have closure pointers. 397664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 397764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startArgList = strchr(startBuf, '('); 397864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 398064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 398164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 398264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 398364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf); 398464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 398564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 398664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startArgList; 398764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 398864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && parenCount) { 398964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 399064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 399164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 399264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList); 399364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, 1, "*"); 399464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 399564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 399664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 399764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 399864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 399964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount--; 400064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 400164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 400264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 400364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 400464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 400564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 400664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 400764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 400864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 400964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 401064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 401164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 401264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 401364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 401464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 401564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 401664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 401764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 401864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) 401964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) 402064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 402164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 402264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 402364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 402464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 402564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 402664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 402764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 402864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 402964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 403064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 403164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 403264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 403364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 403464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 403564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 403664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 403764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 403864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 403964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 404064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 404164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 404264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 404364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 404464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 404564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 404664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 404764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 404864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 404964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 405064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen) { 405164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = strchr(Name, '('); 405264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 405364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 405464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LParen = argPtr; // output the start. 405564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; // skip past the left paren. 405664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 1; 405764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 405864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr && parenCount) { 405964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 406064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': parenCount++; break; 406164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': parenCount--; break; 406264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: break; 406364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 406464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (parenCount) argPtr++; 406564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 406664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 406764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RParen = argPtr; // output the end 406864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 406964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 407164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 407264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerFunctionArgs(FD); 407364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 407464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 407564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle Variables and Typedefs. 407664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getLocation(); 407764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType DeclT; 407864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 407964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = VD->getType(); 408064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND)) 408164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = TDD->getUnderlyingType(); 408264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 408364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = FD->getType(); 408464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 408564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled"); 408664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 408864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 408964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan backward (from the decl location) for the end of the previous decl. 409064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 409164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; 409264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf); 409364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 409464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned OrigLength=0; 409564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // *startBuf != '^' if we are dealing with a pointer to function that 409664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // may take block argument types (which will be handled below). 409764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '^') { 409864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*', computing a negative offset. 409964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = '*'; 410064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 410164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 410264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 410364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ')') { 410464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *startBuf; 410564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 410664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 410764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 410864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 410964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 411064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 411164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 411264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 411364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*' for arguments. 411464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace id<P> with id/*<>*/ 411564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 411664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(DeclLoc); 411764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argListBegin, *argListEnd; 411864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetExtentOfArgList(startBuf, argListBegin, argListEnd); 411964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (argListBegin < argListEnd) { 412064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argListBegin == '^') 412164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += '*'; 412264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argListBegin == '<') { 412364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/*"; 412464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 412564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++;; 412664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argListBegin != '>') { 412764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 412864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 412964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 413164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "*/"; 413264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 413464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 413564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argListBegin++; 413664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 413764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 413964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 414064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 414164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 414264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 414464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 414564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 414864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 414964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct Block_byref_id_object *src) { 415064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 415164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 415264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 415364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 415464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 415564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 415664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 415764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// And: 415864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 415964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 416064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 416164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 416264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 416364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 416464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 416564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 416664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 416764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 416864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag) { 416964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 417064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CopyDestroyCache.count(flag)) 417164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 417264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CopyDestroyCache.insert(flag); 417364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 417464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 417564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *dst, void *src) {\n"; 417664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // offset into the object pointer is computed as: 417864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void * + void* + int + int + void* + void * 417964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 418064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 418164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned VoidPtrSize = 418264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 418364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 418464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth(); 418564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 418664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 418764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 418864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 418964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 419064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 419164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 419264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 419364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 419464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 419564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *src) {\n"; 419664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 419764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 419864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 419964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 420064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 420164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 420264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 420364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 420464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 420564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// the declaration into: 420664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND { 420764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 420864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND *__forwarding; 420964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __flags; 421064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __size; 421164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 421264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 421364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// typex ND; 421464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// }; 421564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 421664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It then replaces declaration of ND variable with: 421764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 421864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 421964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ND=initializer-if-any}; 422064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 422164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 422264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefVar(VarDecl *ND) { 422364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is 422464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // used. 422564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 422664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 422764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = 0; 422864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int isa = 0; 422964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 423064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclLoc.isInvalid()) 423164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 423264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Use variable's location which is good for this case. 423364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 423464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 423564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 423664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 423764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 423864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 423964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ByrefType; 424064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 424164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " {\n"; 424264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void *__isa;\n"; 424364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 424464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " *__forwarding;\n"; 424564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __flags;\n"; 424664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __size;\n"; 424764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 424864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 424964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 425064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 425164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 425264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 425364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 425464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 425564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 425664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType T = Ty; 425764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(T); 425864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T.getAsStringInternal(Name, Context->getPrintingPolicy()); 425964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 426064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + ";\n"; 426164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 426264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert this type in global scope. It is needed by helper function. 426364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart; 426464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 426564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 426664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 426764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 426864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 426964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 427064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, ByrefType); 427164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty.isObjCGCWeak()) { 427264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 427364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa = 1; 427464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 427564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 427664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 427764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 427864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 427964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 428064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType()) 428164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 428264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 428364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 428464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 428564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!HF.empty()) 428664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 428764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 428864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 428964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __Block_byref_ND ND = 429064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 429164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // initializer-if-any}; 429264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasInit = (ND->getInit() != 0); 429364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned flags = 0; 429464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) 429564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 429664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = ND->getNameAsString(); 429764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType.clear(); 429864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 429964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ForwardingCastType("("); 430064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ForwardingCastType += ByrefType + " *)"; 430164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!hasInit) { 430264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 430364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 430464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 430564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 430664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 430764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 430864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 430964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ")"; 431064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 431164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 431264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 431364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 431464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 431564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 431664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 431764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned nameSize = Name.size(); 431864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for block or function pointer declaration. Name is aleady 431964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // part of the declaration. 432064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType() || Ty->isFunctionPointerType()) 432164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian nameSize = 1; 432264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType); 432364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 432464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 432564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 432664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 432764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 432864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 432964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 433064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 433164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 433264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 433364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name; 433464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " = {(void*)"; 433564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 433664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 433764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 433864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 433964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 434064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 434164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "), "; 434264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 434364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 434464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 434564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 434664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 434764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 434864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 434964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 435064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 435164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the newly synthesized compound expression by inserting a right 435264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // curly brace before the end of the declaration. 435364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This approach avoids rewriting the initializer expression. It 435464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // also assumes there is only one declarator. For example, the following 435564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // isn't currently supported by this routine (in general): 435664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 435764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 435864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 435964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 436064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 436164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 436264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = 436364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startInitializerBuf); 436464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 436564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(semiLoc, "}"); 436664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 436764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 436864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 436964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 437064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 437164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 437264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(Exp->getBody()); 437364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 437464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by copy" declarations. 437564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 437664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockDeclRefs[i]->isByRef()) { 437764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 437864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 437964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 438064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 438164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 438264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by ref" declarations. 438364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 438464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs[i]->isByRef()) { 438564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 438664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 438764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 438864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 438964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 439064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 439164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 439264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs[i]->isByRef() || 439364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 439464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 439564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 439664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 439764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 439864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 439964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianFunctionDecl *RewriteModernObjC::SynthBlockInitFunctionDecl(StringRef name) { 440064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(name); 440164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 440264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FunctionDecl::Create(*Context, TUDecl, SourceLocation(), 440364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, FType, 0, SC_Extern, 440464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false, false); 440564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 440664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 440764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthBlockInitExpr(BlockExpr *Exp, 440864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs) { 440964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockDecl *block = Exp->getBlockDecl(); 441064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.push_back(Exp); 441164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 441264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Exp); 441364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 441464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add inner imported variables now used in current block. 441564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int countOfInnerDecls = 0; 441664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 441764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 441864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefExpr *Exp = InnerBlockDeclRefs[i]; 441964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 442064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 442164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We need to save the copied-in variables in nested 442264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks because it is needed at the end for some of the API generations. 442364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See SynthesizeBlockLiterals routine. 442464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 442564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 442664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 442764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 442864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 443064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 443164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 443264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 443364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 443464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 443564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 443664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 443764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 443864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (InnerBlockDeclRefs[i]->isByRef() || 443964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 444064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 444164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 444264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 444364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 444464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 444664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 444864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = CurFunctionDef->getNameAsString(); 444964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CurMethodDef) 445064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 445164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (GlobalVarDecl) 445264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = std::string(GlobalVarDecl->getNameAsString()); 445364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 445464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BlockNumber = utostr(Blocks.size()-1); 445564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 445664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber; 445764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 445864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 445964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get a pointer to the function type so we can cast appropriately. 446064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 446164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 446264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 446364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD; 446464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *NewRep; 446564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 446664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 446764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Tag); 446864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, FType, VK_RValue, 446964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 447064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 447164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 447264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 447364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block function. 447464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Func); 447564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 447664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 447764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 447864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 447964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(castExpr); 448064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block descriptor. 448264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 448364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, 448564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 448664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(DescData.c_str()), 448764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 448864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Static, SC_None); 448964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryOperator *DescRefExpr = 449064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, 449164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 449264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, 449364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()), 449464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UO_AddrOf, 449564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 449664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 449764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 449864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(DescRefExpr); 449964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 450164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 450264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp; 450364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 450464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 450564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 450664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isObjCType((*I)->getType())) { 450764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Conform to ABI ([[obj retain] autorelease]). 450864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 450964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 451064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 451164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 451264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 451364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 451464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 451564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 451664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 451764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (isTopLevelBlockPointerType((*I)->getType())) { 451864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 451964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 452064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 452164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 452264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 452364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 452464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 452564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 452664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 452764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 452864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 452964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 453064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 453164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 453264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 453364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 453464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 453564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 453664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 453764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 453864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 453964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 454064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *ND = (*I); 454164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 454264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName; 454364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 454464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 454564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian + sizeof("struct")); 454664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 454764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 454864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 454964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 455064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 455164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 455264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 455364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 455464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 455564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isNestedCapturedVar = false; 455664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (block) 455764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::capture_const_iterator ci = block->capture_begin(), 455864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ce = block->capture_end(); ci != ce; ++ci) { 455964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const VarDecl *variable = ci->getVariable(); 456064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (variable == ND && ci->isNested()) { 456164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert (ci->isByRef() && 456264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "SynthBlockInitExpr - captured block variable is not byref"); 456364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isNestedCapturedVar = true; 456464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 456564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // captured nested byref variable has its address passed. Do not take 456864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // its address again. 456964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isNestedCapturedVar) 457064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 457164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Exp->getType()), 457264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 457364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 457464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 457564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 457664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 457764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 457864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 457964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 458064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 458164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 458264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 458364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, SourceLocation()); 458464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(FlagExp); 458564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 458664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 458764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FType, VK_LValue, SourceLocation()); 458864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 458964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(NewRep->getType()), 459064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 459164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 459264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep); 459364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 459464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 459564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 459664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 459764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 459864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 459964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return NewRep; 460064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 460164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) { 460364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCForCollectionStmt * CS = 460464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(Stmts.back())) 460564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CS->getElement() == DS; 460664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 460764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 460864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 460964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 461064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Function Body / Expression rewriting 461164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 461264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 461364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 461464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 461564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) 461664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 461764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (isa<ObjCForCollectionStmt>(S)) { 461864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 461964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.push_back(++BcLabelCount); 462064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 462164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 462264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Pseudo-object operations and ivar references need special 462364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // treatment because we're going to recursively rewrite them. 462464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) { 462564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) { 462664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitSetter(PseudoOp); 462764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 462864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitGetter(PseudoOp); 462964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 463064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 463164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCIvarRefExpr(IvarRefExpr); 463264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 463364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 463464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 463564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 463664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up rewrite of all children. 463764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 463864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 463964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *childStmt = (*CI); 464064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt); 464164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (newStmt) { 464264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *CI = newStmt; 464364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 464464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 464564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 464664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 464764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 8> InnerBlockDeclRefs; 464864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 464964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 465064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 465164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 465264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, InnerContexts); 465364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the block body in place. 465464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 465564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = BE->getBody(); 465664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 465764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal on rhs of a property-dot-sytax assignment 465864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // must be replaced by its synthesize ast so getRewrittenText 465964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // works as expected. In this case, what actually ends up on RHS 466064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is the blockTranscribed which is the helper function for the 466164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal; as in: self.c = ^() {[ace ARR];}; 466264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool saveDisableReplaceStmt = DisableReplaceStmt; 466364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 466464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 466564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = saveDisableReplaceStmt; 466664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = SaveCurrentBody; 466764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 466864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 466964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now we snarf the rewritten text and stash it away for later use. 467064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 467164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs[BE] = Str; 467264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 467364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 467464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 467564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //blockTranscribed->dump(); 467664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, blockTranscribed); 467764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return blockTranscribed; 467864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 467964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 468064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 468164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtEncode(AtEncode); 468264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 468364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 468464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtSelector(AtSelector); 468564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 468664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 468764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCStringLiteral(AtString); 468864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 468964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 469064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 469164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Before we rewrite it, put the original message expression in a comment. 469264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = MessExpr->getLocStart(); 469364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = MessExpr->getLocEnd(); 469464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 469564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 469664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 469764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 469864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string messString; 469964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "// "; 470064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString.append(startBuf, endBuf-startBuf+1); 470164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "\n"; 470264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 470364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Missing definition of 470464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(clang::SourceLocation, char const*, unsigned int). 470564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(startLoc, messString.c_str(), messString.size()); 470664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Tried this, but it didn't work either... 470764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 470864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 470964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteMessageExpr(MessExpr); 471064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 471164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 471264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 471364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCTryStmt(StmtTry); 471464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 471564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 471664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCSynchronizedStmt(StmtTry); 471764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 471864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 471964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCThrowStmt(StmtThrow); 472064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 472164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 472264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCProtocolExpr(ProtocolExp); 472364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 472464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCForCollectionStmt *StmtForCollection = 472564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(S)) 472664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCForCollectionStmt(StmtForCollection, 472764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigStmtRange.getEnd()); 472864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BreakStmt *StmtBreakStmt = 472964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BreakStmt>(S)) 473064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBreakStmt(StmtBreakStmt); 473164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ContinueStmt *StmtContinueStmt = 473264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ContinueStmt>(S)) 473364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteContinueStmt(StmtContinueStmt); 473464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 473564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 473664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and cast exprs. 473764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 473864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: What we're doing here is modifying the type-specifier that 473964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // precedes the first Decl. In the future the DeclGroup should have 474064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // a separate type-specifier that we can rewrite. 474164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE: We need to avoid rewriting the DeclStmt if it is within 474264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the context of an ObjCForCollectionStmt. For example: 474364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NSArray *someArray; 474464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for (id <FooProtocol> index in someArray) ; 474564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is because RewriteObjCForCollectionStmt() does textual rewriting 474664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and it depends on the original text locations/positions. 474764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS)) 474864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 474964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks rewrite rules. 475164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 475264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DE; ++DI) { 475364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Decl *SD = *DI; 475464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 475564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(ND->getType())) 475664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(ND); 475764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (ND->getType()->isFunctionPointerType()) 475864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(ND->getType(), ND); 475964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 476064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 476164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 476264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 476364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 476464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 476564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefVar(VD); 476664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 476764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 476864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeOfDecl(VD); 476964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) { 477264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 477364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 477464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 477564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 477664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 477964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 478064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 478164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(CE); 478264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 478364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 478464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) { 478564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "Statement stack is empty"); 478664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 478764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 478864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian && "Statement stack mismatch"); 478964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 479064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 479164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle blocks rewriting. 479264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(S)) { 479364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BDRE->isByRef()) 479464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(BDRE); 479564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 479664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 479764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 479864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 479964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 480064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 480164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 480264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 480364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 480464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 480564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getCallee()->getType()->isBlockPointerType()) { 480664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 480764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, BlockCall); 480864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return BlockCall; 480964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 481264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 481364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 481564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 481664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 481764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ICE->getSubExpr(), 481864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 481964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 482064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 482164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream Buf(SStr); 482264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement->printPretty(Buf, *Context); 482364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = Buf.str(); 482464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 482564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian printf("CAST = %s\n", &Str[0]); 482664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 482764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete S; 482864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 482964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 483064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 483164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Return this stmt unmodified. 483264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 483364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 483464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 483564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteRecordBody(RecordDecl *RD) { 483664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 483764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 483864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = *i; 483964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(FD->getType())) 484064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(FD); 484164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getType()->isObjCQualifiedIdType() || 484264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType()->isObjCQualifiedInterfaceType()) 484364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 484464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 484664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 484764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// HandleDeclInMainFile - This is called for each top-level decl defined in the 484864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// main file of the input. 484964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleDeclInMainFile(Decl *D) { 485064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (D->getKind()) { 485164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Function: { 485264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD = cast<FunctionDecl>(D); 485364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->isOverloadedOperator()) 485464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 485564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 485664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since function prototypes don't have ParmDecl's, we check the function 485764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // prototype. This enables us to rewrite function declarations and 485864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // definitions using the same code. 485964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(FD->getType(), FD); 486064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48619335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 48629335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis break; 48639335df324951c022bc696e64b5fe9f66a8ad5222Argyrios Kyrtzidis 486464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 486564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 486664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = FD; 486764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 486864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 486964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 487064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 487164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->setBody(Body); 487264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 487364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 487464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 487564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 487664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 487764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This synthesizes and inserts the block "impl" struct, invoke function, 487864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and any copy/dispose helper functions. 487964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinFunction(FD); 488064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 488164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 488264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 488364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 488464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 488564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCMethod: { 488664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D); 488764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = MD->getCompoundBody()) { 488864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = MD; 488964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 489064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 489164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 489264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MD->setBody(Body); 489364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 489464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 489564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 489664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 489764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 489864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinMethod(MD); 489964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 490064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 490264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCImplementation: { 490464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D); 490564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassImplementation.push_back(CI); 490664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 490764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCCategoryImpl: { 490964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D); 491064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CategoryImplementation.push_back(CI); 491164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 491264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Var: { 491464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = cast<VarDecl>(D); 491564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(VD); 491664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(VD->getType())) 491764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(VD); 491864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isFunctionPointerType()) { 491964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(VD->getType(), VD); 492064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 492164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 492264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 492364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 492464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 492564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VD->getType()->isRecordType()) { 492664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 492764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 492864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 492964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 493164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = VD; 493264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = VD->getInit(); 493364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 493464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 493564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 493664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 493764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 493864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName()); 494064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 494164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 494264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed for blocks. 494364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 494464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 494564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 494664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 494764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 494864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 494964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::TypeAlias: 495064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Typedef: { 495164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) { 495264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 495364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 495464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 495564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 495664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 495864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::CXXRecord: 496064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Record: { 496164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = cast<RecordDecl>(D); 496264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 496364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 496464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 496564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 496764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 496864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Nothing yet. 497064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 497164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTranslationUnit(ASTContext &C) { 497364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 497464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 497564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteInclude(); 497764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here's a great place to add any extra declarations that may be needed. 497964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write out meta data for each @protocol(<expr>). 498064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 498164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ProtocolExprDecls.end(); I != E; ++I) 4982da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Preamble); 498364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 498464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 498564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size()) 498664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementations(); 498764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 498864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the buffer corresponding to MainFileID. If we haven't changed it, then 498964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we are done. 499064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const RewriteBuffer *RewriteBuf = 499164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.getRewriteBufferFor(MainFileID)) { 499264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //printf("Changed:\n"); 499364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 499464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 499564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::errs() << "No changes\n"; 499664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 499764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 499864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size() || 499964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.size()) { 500064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite Objective-c meta data* 500164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 500264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMetaDataIntoBuffer(ResultStr); 500364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Emit metadata. 500464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << ResultStr; 500564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 500664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OutFile->flush(); 500764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 500864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 500964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::Initialize(ASTContext &context) { 501064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitializeCommon(context); 501164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 501264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declaring objc_selector outside the parameter list removes a silly 501364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scope related warning... 501464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IsHeader) 501564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble = "#pragma once\n"; 501664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_selector; struct objc_class;\n"; 501764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __rw_objc_super { struct objc_object *object; "; 501864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_object *superClass; "; 501964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 502064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add a constructor for creating temporary objects. 502164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 502264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ": "; 502364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "object(o), superClass(s) {} "; 502464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 502564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 502664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 502764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "typedef struct objc_object Protocol;\n"; 502864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define _REWRITER_typedef_Protocol\n"; 502964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 503064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 503164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 503264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 503364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 503464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 503564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend"; 503664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 503764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper"; 503864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 503964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSend_stret"; 504064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 504164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSendSuper_stret"; 504264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 504364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret"; 504464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 504564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 504664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 504764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 504864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 504964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 505064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 505164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n"; 505264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n"; 505364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n"; 505464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n"; 505564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match"; 505664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *, struct objc_object *);\n"; 505764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @synchronized hooks. 505864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter(struct objc_object *);\n"; 505964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit(struct objc_object *);\n"; 506064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 506164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 506264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __objcFastEnumerationState {\n\t"; 506364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long state;\n\t"; 506464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "void **itemsPtr;\n\t"; 506564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long *mutationsPtr;\n\t"; 506664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long extra[5];\n};\n"; 506764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 506864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __FASTENUMERATIONSTATE\n"; 506964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 507064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 507164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __NSConstantStringImpl {\n"; 507264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int *isa;\n"; 507364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int flags;\n"; 507464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " char *str;\n"; 507564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " long length;\n"; 507664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 507764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 507864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 507964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 508064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 508164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 508264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 508364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 508464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks preamble. 508564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef BLOCK_IMPL\n"; 508664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define BLOCK_IMPL\n"; 508764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __block_impl {\n"; 508864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *isa;\n"; 508964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Flags;\n"; 509064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Reserved;\n"; 509164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *FuncPtr;\n"; 509264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 509364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 509464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 509564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 509664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 509764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 509864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 509964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 510064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 510164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 510264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 510364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 510464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 510564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 510664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 510764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 510864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 510964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 511064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 511164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __attribute__(X)\n"; 511264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 511364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 511464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 511564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 511664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __block\n"; 511764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 511864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 511964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 512064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 512164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 512264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 512364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 512464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteIvarOffsetComputation - This rutine synthesizes computation of 512564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ivar offset. 512664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 512764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 512864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ivar->isBitField()) { 512964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 513064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // place all bitfields at offset 0. 513164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "0"; 513264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 513364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 513464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 513564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 513664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 513764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", "; 513864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getNameAsString(); 513964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ")"; 514064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 514164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 514264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 514364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// WriteModernMetadataDeclarations - Writes out metadata declarations for modern ABI. 514464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t { 5145da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian/// const char *name; 514664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *attributes; 514764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 514864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 514964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_list_t { 515064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _prop_t) 515164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t count_of_properties; 515264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t prop_list[count_of_properties]; 515364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 515464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 515564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t; 515664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 515764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_list_t { 515864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// long protocol_count; // Note, this is 32/64 bit 515964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t * protocol_list[protocol_count]; 516064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 516164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 516264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method { 516364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SEL _cmd; 516477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian/// const char *method_type; 516564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *_imp; 516664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 516764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 516864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _method_list_t { 516964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _objc_method) 517064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t method_count; 517164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method method_list[method_count]; 517264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 517364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 517464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t { 517564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id isa; // NULL 517664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char * const protocol_name; 517764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _protocol_list_t * protocol_list; // super protocols 517864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t * const instance_methods; 517964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t * const class_methods; 518064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalInstanceMethods; 518164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalClassMethods; 518264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _prop_list_t * properties; 518364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t size; // sizeof(struct _protocol_t) 518464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t flags; // = 0 518564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char ** extendedMethodTypes; 518664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 518764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 518842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_t { 518942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// unsigned long int *offset; // pointer to ivar offset location 5190ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *name; 5191ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// const char *type; 519242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t alignment; 519342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t size; 519442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 519542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 519642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _ivar_list_t { 519742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 entsize; // sizeof(struct _ivar_t) 519842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32 count; 5199ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian/// struct _ivar_t list[count]; 520042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 520142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 520242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_ro_t { 520342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const flags; 520442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const instanceStart; 520542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const instanceSize; 520642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// uint32_t const reserved; // only when building for 64bit targets 520742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const uint8_t * const ivarLayout; 520842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const char *const name; 520942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _method_list_t * const baseMethods; 52100a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian/// const struct _protocol_list_t *const baseProtocols; 521142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _ivar_list_t *const ivars; 521242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const uint8_t * const weakIvarLayout; 521342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _prop_list_t * const properties; 521442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 521542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 521642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t { 521742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t *isa; 521842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t * const superclass; 521942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// void *cache; 522042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP *vtable; 52213f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian/// struct _class_ro_t *ro; 522242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 522342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 522442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _category_t { 522542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const char * const name; 522642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _class_t *const cls; 522742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _method_list_t * const instance_methods; 522842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _method_list_t * const class_methods; 522942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _protocol_list_t * const protocols; 523042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// const struct _prop_list_t * const properties; 523142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// } 523242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 523342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// MessageRefTy - LLVM for: 523442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _message_ref_t { 523542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// IMP messenger; 523642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 523742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 523842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 523942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SuperMessageRefTy - LLVM for: 524042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// struct _super_message_ref_t { 524142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SUPER_IMP messenger; 524242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// SEL name; 524342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian/// }; 524442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 524564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void WriteModernMetadataDeclarations(std::string &Result) { 524664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool meta_data_declared = false; 524764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (meta_data_declared) 524864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 524964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _prop_t {\n"; 5251da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *name;\n"; 5252da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *attributes;\n"; 525364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 525464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t;\n"; 525664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 525864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct objc_selector * _cmd;\n"; 525977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tconst char *method_type;\n"; 526090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "\tvoid *_imp;\n"; 526164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 526264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 526364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t {\n"; 526464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid * isa; // NULL\n"; 526564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char * const protocol_name;\n"; 526664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _protocol_list_t * protocol_list; // super protocols\n"; 526764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t * const instance_methods;\n"; 526864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t * const class_methods;\n"; 526964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalInstanceMethods;\n"; 527064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalClassMethods;\n"; 527164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _prop_list_t * properties;\n"; 527264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int size; // sizeof(struct _protocol_t)\n"; 527364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int flags; // = 0\n"; 527464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char ** extendedMethodTypes;\n"; 527564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 527664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 527742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _ivar_t {\n"; 527842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned long int *offset; // pointer to ivar offset location\n"; 5279ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *name;\n"; 5280ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tconst char *type;\n"; 528142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int alignment;\n"; 528242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int size;\n"; 528342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 528442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 528542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_ro_t {\n"; 528642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int const flags;\n"; 528742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int instanceStart;\n"; 528842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int const instanceSize;\n"; 528942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tunsigned int const reserved; // only when building for 64bit targets\n"; 529042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst unsigned char * const ivarLayout;\n"; 529142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst char *const name;\n"; 529242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _method_list_t * const baseMethods;\n"; 529342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _objc_protocol_list *const baseProtocols;\n"; 529442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _ivar_list_t *const ivars;\n"; 529542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst unsigned char *const weakIvarLayout;\n"; 529642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _prop_list_t *const properties;\n"; 529742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 529842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 529942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _class_t {\n"; 530042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *isa;\n"; 530142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *const superclass;\n"; 530242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *cache;\n"; 530342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tvoid *vtable;\n"; 53043f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\tstruct _class_ro_t *ro;\n"; 530542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 530642e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 530742e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\nstruct _category_t {\n"; 530842e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst char * const name;\n"; 530942e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tstruct _class_t *const cls;\n"; 531042e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _method_list_t *const instance_methods;\n"; 531142e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _method_list_t *const class_methods;\n"; 531242e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _protocol_list_t *const protocols;\n"; 531342e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "\tconst struct _prop_list_t *const properties;\n"; 531442e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian Result += "};\n"; 531542e9a35ce0676f1ad2adf83ee1f1f4f503596353Fariborz Jahanian 53163f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "extern void *_objc_empty_cache;\n"; 53173f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "extern void *_objc_empty_vtable;\n"; 53183f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 531964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian meta_data_declared = true; 532064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 532164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 5322da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_t_TypeDecl(std::string &Result, 5323da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian long super_protocol_count) { 5324da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "struct /*_protocol_list_t*/"; Result += " {\n"; 5325da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tlong protocol_count; // Note, this is 32/64 bit\n"; 5326da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\tstruct _protocol_t *super_protocols["; 5327da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += utostr(super_protocol_count); Result += "];\n"; 5328da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "}"; 5329da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5330da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 533177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanianstatic void Write_method_list_t_TypeDecl(std::string &Result, 533277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian unsigned int method_count) { 533377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "struct /*_method_list_t*/"; Result += " {\n"; 533477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _objc_method)\n"; 533577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int method_count;\n"; 533677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tstruct _objc_method method_list["; 533777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += utostr(method_count); Result += "];\n"; 533877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "}"; 533977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 534077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5341da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanianstatic void Write__prop_list_t_TypeDecl(std::string &Result, 5342da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian unsigned int property_count) { 5343da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "struct /*_prop_list_t*/"; Result += " {\n"; 5344da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5345da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int count_of_properties;\n"; 5346da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tstruct _prop_t prop_list["; 5347da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += utostr(property_count); Result += "];\n"; 5348da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}"; 5349da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5350da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 5351ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_TypeDecl(std::string &Result, 5352ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian unsigned int ivar_count) { 5353ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "struct /*_ivar_list_t*/"; Result += " {\n"; 5354ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5355ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tunsigned int count;\n"; 5356ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\tstruct _ivar_t ivar_list["; 5357ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += utostr(ivar_count); Result += "];\n"; 5358ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}"; 5359ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5360ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5361da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianstatic void Write_protocol_list_initializer(ASTContext *Context, std::string &Result, 5362da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ArrayRef<ObjCProtocolDecl *> SuperProtocols, 5363da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef VarName, 5364da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian StringRef ProtocolName) { 5365da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 5366da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\nstatic "; 5367da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_t_TypeDecl(Result, SuperProtocols.size()); 5368da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " "; Result += VarName; 5369da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ProtocolName; 5370da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5371da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t"; Result += utostr(SuperProtocols.size()); Result += ",\n"; 5372da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (unsigned i = 0, e = SuperProtocols.size(); i < e; i++) { 5373da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian ObjCProtocolDecl *SuperPD = SuperProtocols[i]; 5374da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t&"; Result += "_OBJC_PROTOCOL_"; 5375da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += SuperPD->getNameAsString(); 5376da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (i == e-1) 5377da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\n};\n"; 5378da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 5379da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += ",\n"; 5380da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5381da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5382da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian} 5383da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 538490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanianstatic void Write_method_list_t_initializer(RewriteModernObjC &RewriteObj, 538590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ASTContext *Context, std::string &Result, 538677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 538777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian StringRef VarName, 538890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian StringRef TopLevelDeclName, 538990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian bool MethodImpl) { 539077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (Methods.size() > 0) { 539177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\nstatic "; 539277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_TypeDecl(Result, Methods.size()); 539377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " "; Result += VarName; 539490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += TopLevelDeclName; 539577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 539677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += "sizeof(_objc_method)"; Result += ",\n"; 539777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += utostr(Methods.size()); Result += ",\n"; 539877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 539977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 540077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == 0) 540177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{{(struct objc_selector *)\""; 540277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 540377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{(struct objc_selector *)\""; 540477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += (MD)->getSelector().getAsString(); Result += "\""; 540577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 540677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::string MethodTypeString; 540777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString); 540877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\""; Result += MethodTypeString; Result += "\""; 540977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 541090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!MethodImpl) 541190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "0"; 541290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian else { 541390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "(void *)"; 541490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += RewriteObj.MethodInternalNames[MD]; 541590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 541677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == e-1) 541790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "}}\n"; 541877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 541990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Result += "},\n"; 542077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 542177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "};\n"; 542277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 542377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 542477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5425f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write_prop_list_t_initializer(RewriteModernObjC &RewriteObj, 5426da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ASTContext *Context, std::string &Result, 5427da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ArrayRef<ObjCPropertyDecl *> Properties, 5428da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian const Decl *Container, 5429da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef VarName, 5430da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef ProtocolName) { 5431da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (Properties.size() > 0) { 5432da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\nstatic "; 5433da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Write__prop_list_t_TypeDecl(Result, Properties.size()); 5434da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " "; Result += VarName; 5435da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += ProtocolName; 5436da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5437da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += "sizeof(_prop_t)"; Result += ",\n"; 5438da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += utostr(Properties.size()); Result += ",\n"; 5439da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (unsigned i = 0, e = Properties.size(); i < e; i++) { 5440da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ObjCPropertyDecl *PropDecl = Properties[i]; 5441da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == 0) 5442da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{{\""; 5443da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5444da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{\""; 5445da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += PropDecl->getName(); Result += "\","; 5446da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::string PropertyTypeString, QuotePropertyTypeString; 5447da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Context->getObjCEncodingForPropertyDecl(PropDecl, Container, PropertyTypeString); 5448da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian RewriteObj.QuoteDoublequotes(PropertyTypeString, QuotePropertyTypeString); 5449da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\""; Result += QuotePropertyTypeString; Result += "\""; 5450da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == e-1) 5451da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}}\n"; 5452da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5453da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "},\n"; 5454da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5455da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "};\n"; 5456da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5457da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5458da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 54596ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian// Metadata flags 54606ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianenum MetaDataDlags { 54616ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS = 0x0, 54626ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_META = 0x1, 54636ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_ROOT = 0x2, 54646ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian OBJC2_CLS_HIDDEN = 0x10, 54656ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_EXCEPTION = 0x20, 54666ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 54676ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// (Obsolete) ARC-specific: this class has a .release_ivars method 54686ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_HAS_IVAR_RELEASER = 0x40, 54696ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian /// class was compiled with -fobjc-arr 54706ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CLS_COMPILED_BY_ARC = 0x80 // (1<<7) 54716ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian}; 54726ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 5473f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanianstatic void Write__class_ro_t_initializer(ASTContext *Context, std::string &Result, 5474f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian unsigned int flags, 5475f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceStart, 5476f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian const std::string &InstanceSize, 5477f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCMethodDecl *>baseMethods, 5478f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCProtocolDecl *>baseProtocols, 5479f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCIvarDecl *>ivars, 5480f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ArrayRef<ObjCPropertyDecl *>Properties, 5481f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef VarName, 5482f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian StringRef ClassName) { 5483f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5484f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian WriteModernMetadataDeclarations(Result); 5485f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\nstatic struct _class_ro_t "; 5486f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += VarName; Result += ClassName; 5487f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5488f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 5489f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += llvm::utostr(flags); Result += ", "; 5490f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceStart; Result += ", "; 5491f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += InstanceSize; Result += ", \n"; 5492f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\t"; 5493f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // uint32_t const reserved; // only when building for 64bit targets 5494f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(unsigned int)0, \n\t"; 5495f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // const uint8_t * const ivarLayout; 5496f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5497f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "\""; Result += ClassName; Result += "\",\n\t"; 54986ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool metaclass = ((flags & CLS_META) != 0); 5499f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (baseMethods.size() > 0) { 5500f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _method_list_t *)&"; 55016ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (metaclass) 55026ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_CLASS_METHODS_"; 55036ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian else 55046ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += "_OBJC_$_INSTANCE_METHODS_"; 55056ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Result += ClassName; 5506f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5507f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5508f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5509f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5510f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 55116ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && baseProtocols.size() > 0) { 5512f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _objc_protocol_list *)&"; 5513f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_CLASS_PROTOCOLS_$_"; Result += ClassName; 5514f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5515f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5516f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5517f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5518f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 55196ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && ivars.size() > 0) { 5520f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _ivar_list_t *)&"; 5521f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "_OBJC_$_INSTANCE_VARIABLES_"; Result += ClassName; 5522f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n\t"; 5523f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5524f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5525f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 5526f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5527f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // weakIvarLayout 5528f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n\t"; 55296ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!metaclass && Properties.size() > 0) { 5530f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "(const struct _prop_list_t *)&"; 5531eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian Result += "_OBJC_$_PROP_LIST_"; Result += ClassName; 5532f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += ",\n"; 5533f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 5534f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 5535f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "0, \n"; 5536f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 5537f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Result += "};\n"; 5538f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian} 5539f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 55403f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanianstatic void Write_class_t(ASTContext *Context, std::string &Result, 55413f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian StringRef VarName, 55423f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian const ObjCInterfaceDecl *CDecl, bool metadata) { 55433f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian WriteModernMetadataDeclarations(Result); 55443f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 55453f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (metadata && !CDecl->getSuperClass()) { 55463f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Need to handle a case of use of forward declaration. 55473f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\nextern struct _class_t OBJC_CLASS_$_"; 55483f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 55493f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 55503f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55513f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian // Also, for possibility of 'super' metadata class not having been defined yet. 55523f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (CDecl->getSuperClass()) { 55533f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\nextern struct _class_t "; Result += VarName; 55543f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 55553f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ";\n"; 55563f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55573f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 55583f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\nstruct _class_t "; Result += VarName; Result += CDecl->getNameAsString(); 55593f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_data\"))) = {\n"; 55603f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "\t"; 55613f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (metadata) { 55623f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (CDecl->getSuperClass()) { 55633f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 55643f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 55653f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 55663f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 55673f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 55683f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 55693f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55703f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 55713f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 55723f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 55733f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 55743f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&OBJC_CLASS_$_"; Result += CDecl->getNameAsString(); 55753f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 55763f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55773f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55783f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else { 55793f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&OBJC_METACLASS_$_"; 55803f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 55813f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 55823f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (CDecl->getSuperClass()) { 55833f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&"; Result += VarName; 55843f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getSuperClass()->getNameAsString(); 55853f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n\t"; 55863f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55873f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 55883f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "0,\n\t"; 55893f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian } 55903f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "(void *)&_objc_empty_cache,\n\t"; 55913f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "(void *)&_objc_empty_vtable,\n\t"; 55923f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian if (metadata) 55933f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_METACLASS_RO_$_"; 55943f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian else 55953f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += "&_OBJC_CLASS_RO_$_"; 55963f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += CDecl->getNameAsString(); 55973f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Result += ",\n};\n"; 55983f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian} 55993f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 5600e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanianstatic void Write__extendedMethodTypes_initializer(RewriteModernObjC &RewriteObj, 5601e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ASTContext *Context, std::string &Result, 5602e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 5603e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef VarName, 5604e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian StringRef ProtocolName) { 5605e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (Methods.size() == 0) 5606e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian return; 5607e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 5608e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\nstatic const char *"; 5609e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += VarName; Result += ProtocolName; 5610e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += " [] __attribute__ ((used, section (\"__DATA,__objc_const\"))) = \n"; 5611e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "{\n"; 5612e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 5613e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 5614e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::string MethodTypeString, QuoteMethodTypeString; 5615e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString, true); 5616e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian RewriteObj.QuoteDoublequotes(MethodTypeString, QuoteMethodTypeString); 5617e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t\""; Result += QuoteMethodTypeString; Result += "\""; 5618e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (i == e-1) 5619e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 5620e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else { 5621e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += ",\n"; 5622e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5623e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5624e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian} 5625e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 562607e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanianstatic void Write_IvarOffsetVar(std::string &Result, 5627db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 5628db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian StringRef VarName, 5629db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian StringRef ClassName) { 5630db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // FIXME. visibilty of offset symbols may have to be set; for Darwin 5631db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian // this is what happens: 5632db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian /** 5633db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian if (Ivar->getAccessControl() == ObjCIvarDecl::Private || 5634db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Ivar->getAccessControl() == ObjCIvarDecl::Package || 5635db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Class->getVisibility() == HiddenVisibility) 5636db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: HiddenVisibility; 5637db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian else 5638db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Visibility shoud be: DefaultVisibility; 5639db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian */ 5640db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 564107e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "\n"; 564207e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 564307e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 564407e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "unsigned long int "; Result += VarName; 564507e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += ClassName; Result += "_"; 564607e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += IvarDecl->getName(); 564707e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_ivar\")))"; 564807e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += " = "; 564907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian if (IvarDecl->isBitField()) { 565007e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 565107e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian // place all bitfields at offset 0. 565207e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Result += "0;\n"; 565307e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian } 565407e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian else { 5655db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 5656db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ClassName; 5657db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "_IMPL, "; 5658db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += IvarDecl->getName(); Result += ");\n"; 5659db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 5660db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian } 5661db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian} 5662db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 5663ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanianstatic void Write__ivar_list_t_initializer(RewriteModernObjC &RewriteObj, 5664ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ASTContext *Context, std::string &Result, 5665ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ArrayRef<ObjCIvarDecl *> Ivars, 5666ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian StringRef VarName, 5667ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian StringRef ClassName) { 5668ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (Ivars.size() > 0) { 566907e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian Write_IvarOffsetVar(Result, Ivars, "OBJC_IVAR_$_", ClassName); 567007e5288c6532c8a61278fab4e0ae058ec81a0f5cFariborz Jahanian 5671ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\nstatic "; 5672ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_TypeDecl(Result, Ivars.size()); 5673ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " "; Result += VarName; 5674ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += ClassName; 5675ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5676ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += "sizeof(_ivar_t)"; Result += ",\n"; 5677ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t"; Result += utostr(Ivars.size()); Result += ",\n"; 5678ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (unsigned i =0, e = Ivars.size(); i < e; i++) { 5679ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian ObjCIvarDecl *IvarDecl = Ivars[i]; 5680ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == 0) 5681ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t{{"; 5682ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 5683ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\t {"; 5684db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian 5685db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += "(unsigned long int *)&OBJC_IVAR_$_"; 5686db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ClassName; Result += "_"; Result += IvarDecl->getName(); 5687db64923b255daeb58c2168eb890e480c93a6c41cFariborz Jahanian Result += ", "; 5688ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5689ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += IvarDecl->getName(); Result += "\", "; 5690ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian std::string IvarTypeString, QuoteIvarTypeString; 5691ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Context->getObjCEncodingForType(IvarDecl->getType(), IvarTypeString, 5692ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IvarDecl); 5693ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian RewriteObj.QuoteDoublequotes(IvarTypeString, QuoteIvarTypeString); 5694ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "\""; Result += QuoteIvarTypeString; Result += "\", "; 5695ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 56968f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // FIXME. this alignment represents the host alignment and need be changed to 56978f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian // represent the target alignment. 56988f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian unsigned Align = Context->getTypeAlign(IvarDecl->getType())/8; 56998f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian Align = llvm::Log2_32(Align); 5700ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += llvm::utostr(Align); Result += ", "; 5701a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian CharUnits Size = Context->getTypeSizeInChars(IvarDecl->getType()); 5702a63b422eda86b9ff5a08395dcfc288a31419038eFariborz Jahanian Result += llvm::utostr(Size.getQuantity()); 5703ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (i == e-1) 5704ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "}}\n"; 5705ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian else 5706ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "},\n"; 5707ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 5708ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Result += "};\n"; 5709ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian } 5710ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian} 5711ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 571264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 5713da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, 5714da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::string &Result) { 571564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 571664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Do not synthesize the protocol more than once. 571764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl())) 571864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 571982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian WriteModernMetadataDeclarations(Result); 572064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 572164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Def = PDecl->getDefinition()) 572264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl = Def; 5723da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 5724da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 5725da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 5726da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 5727da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 572864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 572977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian // Construct method lists. 573077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> InstanceMethods, ClassMethods; 573177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> OptInstanceMethods, OptClassMethods; 573277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 573377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 573477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 573577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 573677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 573777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptInstanceMethods.push_back(MD); 573877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 573977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian InstanceMethods.push_back(MD); 574077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 574177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 574277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 574377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 574477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 574577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 574677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 574777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 574877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptClassMethods.push_back(MD); 574977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 575077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ClassMethods.push_back(MD); 575177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 575277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 5753e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian std::vector<ObjCMethodDecl *> AllMethods; 5754e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = InstanceMethods.size(); i < e; i++) 5755e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(InstanceMethods[i]); 5756e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = ClassMethods.size(); i < e; i++) 5757e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(ClassMethods[i]); 5758e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptInstanceMethods.size(); i < e; i++) 5759e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptInstanceMethods[i]); 5760e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian for (unsigned i = 0, e = OptClassMethods.size(); i < e; i++) 5761e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods.push_back(OptClassMethods[i]); 5762e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian 5763e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Write__extendedMethodTypes_initializer(*this, Context, Result, 5764e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian AllMethods, 5765e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian "_OBJC_PROTOCOL_METHOD_TYPES_", 5766e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian PDecl->getNameAsString()); 5767da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian // Protocol's super protocol list 5768da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian std::vector<ObjCProtocolDecl *> SuperProtocols; 5769da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian for (ObjCProtocolDecl::protocol_iterator I = PDecl->protocol_begin(), 5770da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian E = PDecl->protocol_end(); I != E; ++I) 5771da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian SuperProtocols.push_back(*I); 5772da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 5773da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Write_protocol_list_initializer(Context, Result, SuperProtocols, 5774da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian "_OBJC_PROTOCOL_REFS_", 5775da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian PDecl->getNameAsString()); 5776da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian 577790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 577877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_INSTANCE_METHODS_", 577990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 578077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 578190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 578277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_CLASS_METHODS_", 578390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 578477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 578590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptInstanceMethods, 578677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_", 578790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 578877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 578990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, OptClassMethods, 579077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_CLASS_METHODS_", 579190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PDecl->getNameAsString(), false); 579277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5793da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian // Protocol's property metadata. 5794da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::vector<ObjCPropertyDecl *> ProtocolProperties; 5795da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = PDecl->prop_begin(), 5796da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 5797da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ProtocolProperties.push_back(*I); 5798da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 5799f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ProtocolProperties, 5800da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian /* Container */0, 5801da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian "_OBJC_PROTOCOL_PROPERTIES_", 5802da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian PDecl->getNameAsString()); 5803da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 580482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // Writer out root metadata for current protocol: struct _protocol_t 580582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\nstatic struct _protocol_t _OBJC_PROTOCOL_"; 580682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); 580782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n"; 580882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; // id is; is null 580982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t\""; Result += PDecl->getNameAsString(); Result += "\",\n"; 5810da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian if (SuperProtocols.size() > 0) { 5811da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t(const struct _protocol_list_t *)&"; Result += "_OBJC_PROTOCOL_REFS_"; 5812da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 5813da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian } 5814da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian else 5815da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian Result += "\t0,\n"; 581682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (InstanceMethods.size() > 0) { 581782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 581882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 581964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 582082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 582182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 582282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 582382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ClassMethods.size() > 0) { 582482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 582582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 582664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 582782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 582882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 582964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 583082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptInstanceMethods.size() > 0) { 583182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_"; 583282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 583364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 583482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 583582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 583664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 583782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptClassMethods.size() > 0) { 583882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_CLASS_METHODS_"; 583982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 584064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 584164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 584282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 584382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 584482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ProtocolProperties.size() > 0) { 584582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct _prop_list_t *)&_OBJC_PROTOCOL_PROPERTIES_"; 584682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 584764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 584864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 584982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 585064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 585182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t"; Result += "sizeof(_protocol_t)"; Result += ",\n"; 585282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 585382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 5854e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian if (AllMethods.size() > 0) { 5855e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t(const char **)&"; Result += "_OBJC_PROTOCOL_METHOD_TYPES_"; 5856e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += PDecl->getNameAsString(); 5857e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\n};\n"; 5858e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian } 5859e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian else 5860e0adbd8386d9ff7312b74e4d2d1f27337f94732cFariborz Jahanian Result += "\t0\n};\n"; 586182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 586264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this protocol as having been generated. 586364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl())) 586464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("protocol already synthesized"); 586564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 586664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 586764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 586864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolListMetaData( 586964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols, 587064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, 587164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 587264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Protocols.empty()) return; 587364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 587464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i != Protocols.size(); i++) 5875da9624a77352bc61b9713c31edd671c02a3ff260Fariborz Jahanian RewriteObjCProtocolMetaData(Protocols[i], Result); 587664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 587764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output the top lovel protocol meta-data for the class. 587864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_protocol_list { 587964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *next; 588064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int protocol_count; 588164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol *class_protocols[]; 588264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 588364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 588464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct {\n"; 588564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *next;\n"; 588664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint protocol_count;\n"; 588764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol *class_protocols["; 588864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 588964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 589064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 589164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_PROTOCOLS_"; 589264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 589364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 589464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t0, "; 589564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 589664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 589764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 589864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{&_OBJC_PROTOCOL_"; 589964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[0]->getNameAsString(); 590064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " \n"; 590164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 590264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 1; i != Protocols.size(); i++) { 590364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,&_OBJC_PROTOCOL_"; 590464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[i]->getNameAsString(); 590564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 590664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 590764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 590864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 590964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 59106ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// hasObjCExceptionAttribute - Return true if this class or any super 59116ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// class has the __objc_exception__ attribute. 59126ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian/// FIXME. Move this to ASTContext.cpp as it is also used for IRGen. 59136ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanianstatic bool hasObjCExceptionAttribute(ASTContext &Context, 59146ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian const ObjCInterfaceDecl *OID) { 59156ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (OID->hasAttr<ObjCExceptionAttr>()) 59166ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return true; 59176ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (const ObjCInterfaceDecl *Super = OID->getSuperClass()) 59186ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return hasObjCExceptionAttribute(Context, Super); 59196ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian return false; 59206ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian} 5921f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 592264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 592364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 592464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 592564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 592664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicitly declared @interface's are already synthesized. 5927ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) 5928ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian assert(false && 5929ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian "Legacy implicit interface rewriting not supported in moder abi"); 59308f1fed036eb78b747725560c10ad29d370d6ef62Fariborz Jahanian 5931ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian WriteModernMetadataDeclarations(Result); 5932ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 5933ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian 5934ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian for (ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 5935ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVD; IVD = IVD->getNextIvar()) { 5936ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian // Ignore unnamed bit-fields. 5937ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian if (!IVD->getDeclName()) 5938ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian continue; 5939ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian IVars.push_back(IVD); 594064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 594164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 5942ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian Write__ivar_list_t_initializer(*this, Context, Result, IVars, 5943f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_$_INSTANCE_VARIABLES_", 5944ae9329570ba16e48ffdfe3d55349b53fd893a711Fariborz Jahanian CDecl->getNameAsString()); 594590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 594690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 594790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 594890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 594990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 595090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // If any of our property implementations have associated getters or 595190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian // setters, produce metadata for them as well. 595290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 595390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian PropEnd = IDecl->propimpl_end(); 595490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Prop != PropEnd; ++Prop) { 595590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 595690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 595790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 595890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 595990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 596090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!PD) 596190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 596290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 596390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Getter->isDefined()) 596490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Getter); 596590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (PD->isReadOnly()) 596690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian continue; 596790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 596890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian if (!Setter->isDefined()) 596990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian InstanceMethods.push_back(Setter); 597090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian } 597190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 597290af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, InstanceMethods, 597390af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_INSTANCE_METHODS_", 597490af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 597590af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 597690af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 597790af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian ClassMethods(IDecl->classmeth_begin(), IDecl->classmeth_end()); 597890af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 597990af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian Write_method_list_t_initializer(*this, Context, Result, ClassMethods, 598090af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian "_OBJC_$_CLASS_METHODS_", 598190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian IDecl->getNameAsString(), true); 59820a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 59830a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocols referenced in class declaration? 59840a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Protocol's super protocol list 59850a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian std::vector<ObjCProtocolDecl *> RefedProtocols; 59860a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols = CDecl->getReferencedProtocols(); 59870a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), 59880a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian E = Protocols.end(); 59890a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian I != E; ++I) { 59900a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols.push_back(*I); 59910a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // Must write out all protocol definitions in current qualifier list, 59920a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian // and in their nested qualifiers before writing out current definition. 59930a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RewriteObjCProtocolMetaData(*I, Result); 59940a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian } 59950a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian 59960a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian Write_protocol_list_initializer(Context, Result, 59970a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian RefedProtocols, 59980a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian "_OBJC_CLASS_PROTOCOLS_$_", 59990a525340ada570897ab34918c98de1cf94ad7770Fariborz Jahanian IDecl->getNameAsString()); 6000f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6001f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Protocol's property metadata. 6002f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian std::vector<ObjCPropertyDecl *> ClassProperties; 6003f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = CDecl->prop_begin(), 6004f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian E = CDecl->prop_end(); I != E; ++I) 6005f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties.push_back(*I); 6006f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6007f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write_prop_list_t_initializer(*this, Context, Result, ClassProperties, 6008f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian /* Container */0, 6009eeabf381862e53519cd0f9f65c1cc2a983c72159Fariborz Jahanian "_OBJC_$_PROP_LIST_", 6010f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 601190af4e22a8fb83f159b512bfd48fb77699337b3dFariborz Jahanian 6012f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 60136ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // Data for initializing _class_ro_t metaclass meta-data 60146ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian uint32_t flags = CLS_META; 60156ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceSize; 60166ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian std::string InstanceStart; 60176ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 60186ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 60196ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian bool classIsHidden = CDecl->getVisibility() == HiddenVisibility; 60206ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 60216ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 60226ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 60236ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (!CDecl->getSuperClass()) 60246ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian // class is root 60256ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_ROOT; 60266ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize = "sizeof(struct _class_t)"; 60276ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart = InstanceSize; 60286ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 60296ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart, InstanceSize, 60306ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian ClassMethods, 60316ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 60326ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 60336ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 0, 60346ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian "_OBJC_METACLASS_RO_$_", 60356ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian CDecl->getNameAsString()); 60366ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 60376ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6038f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // Data for initializing _class_ro_t meta-data 60396ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags = CLS; 60406ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (classIsHidden) 60416ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= OBJC2_CLS_HIDDEN; 60426ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 60436ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian if (hasObjCExceptionAttribute(*Context, CDecl)) 60446ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian flags |= CLS_EXCEPTION; 60456ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian 6046f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!CDecl->getSuperClass()) 6047f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian // class is root 6048f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian flags |= CLS_ROOT; 6049f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 60506ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceSize.clear(); 60516ade343d180d029fc61b17377553deab99527ff2Fariborz Jahanian InstanceStart.clear(); 6052f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (!ObjCSynthesizedStructs.count(CDecl)) { 6053f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "0"; 6054f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = "0"; 6055f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6056f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else { 6057f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize = "sizeof(struct "; 6058f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += CDecl->getNameAsString(); 6059f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceSize += "_IMPL)"; 6060f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian 6061f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ObjCIvarDecl *IVD = CDecl->all_declared_ivar_begin(); 6062f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian if (IVD) { 6063f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += "__OFFSETOFIVAR__(struct "; 6064f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += CDecl->getNameAsString(); 6065f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += "_IMPL, "; 6066f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += IVD->getNameAsString(); 6067f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart += ")"; 6068f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6069f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian else 6070f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart = InstanceSize; 6071f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian } 6072f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian Write__class_ro_t_initializer(Context, Result, flags, 6073f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceStart, InstanceSize, 6074f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian InstanceMethods, 6075f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian RefedProtocols, 6076f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian IVars, 6077f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian ClassProperties, 6078f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian "_OBJC_CLASS_RO_$_", 6079f1c1d9a99dd02b2cd9c4052ec2ec759783175e5eFariborz Jahanian CDecl->getNameAsString()); 60803f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 60813f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 60823f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_METACLASS_$_", 60833f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/true); 60843f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 60853f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian Write_class_t(Context, Result, 60863f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian "OBJC_CLASS_$_", 60873f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian CDecl, /*metaclass*/false); 60883f77c7b56d515a6756dba63a3dfa0a332711a779Fariborz Jahanian 608964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 609064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 609164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) { 609264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 609364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 609464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 609564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented class, write out all its meta data. 609664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 609764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCClassMetaData(ClassImplementation[i], Result); 609864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 609964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented category, write out all its meta data. 610064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 610164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 610264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6103df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian if (ClsDefCount > 0) { 6104df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "static struct _class_t *L_OBJC_LABEL_CLASS_$ ["; 6105df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += llvm::utostr(ClsDefCount); Result += "]"; 6106df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += 6107df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian " __attribute__((used, section (\"__DATA, __objc_classlist," 6108df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian "regular,no_dead_strip\")))= {\n"; 6109df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 6110df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "\t&OBJC_CLASS_$_"; 6111df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ClassImplementation[i]->getNameAsString(); 6112df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += ",\n"; 611364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 6114df79567796fabb406156d881ebd3319aa55b6f83Fariborz Jahanian Result += "};\n"; 611564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 611664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 611764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 611864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 611964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// implementation. 612064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 612164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 612264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 612364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find category declaration for this implementation. 612464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryDecl *CDecl; 612564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CDecl = ClassDecl->getCategoryList(); CDecl; 612664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CDecl = CDecl->getNextClassCategory()) 612764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 612864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 612964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 613064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FullCategoryName = ClassDecl->getNameAsString(); 613164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FullCategoryName += '_'; 613264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FullCategoryName += IDecl->getNameAsString(); 613364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 613464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's instance methods if needed 613564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 613664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 613764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 613864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If any of our property implementations have associated getters or 613964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // setters, produce metadata for them as well. 614064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 614164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropEnd = IDecl->propimpl_end(); 614264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Prop != PropEnd; ++Prop) { 614364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 614464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 614564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 614664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 614764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 614864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD) 614964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 615064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 615164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Getter); 615264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly()) 615364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 615464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 615564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Setter); 615664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 615764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 615864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true, "CATEGORY_", FullCategoryName.c_str(), 615964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result); 616064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 616164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's class methods if needed 616264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 616364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false, "CATEGORY_", FullCategoryName.c_str(), 616464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result); 616564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 616664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Protocols referenced in class declaration? 616764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Null CDecl is case of a category implementation with no category interface 616864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl) 616964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), "CATEGORY", 617064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FullCategoryName, Result); 617164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_category { 617264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *category_name; 617364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *class_name; 617464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *instance_methods; 617564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *class_methods; 617664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *protocols; 617764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Objective-C 1.0 extensions 617864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian uint32_t size; // sizeof (struct _objc_category) 617964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_property_list *instance_properties; // category's own 618064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @property decl. 618164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 618264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 618364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 618464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objc_category = false; 618564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_category) { 618664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_category {\n"; 618764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *category_name;\n"; 618864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *class_name;\n"; 618964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *instance_methods;\n"; 619064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *class_methods;\n"; 619164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 619264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tunsigned int size;\n"; 619364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_property_list *instance_properties;\n"; 619464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 619564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_category = true; 619664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 619764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct _objc_category _OBJC_CATEGORY_"; 619864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 619964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __category\")))= {\n\t\""; 620064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IDecl->getNameAsString(); 620164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\"\n\t, \""; 620264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassDecl->getNameAsString(); 620364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\"\n"; 620464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 620564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 620664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 620764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "&_OBJC_CATEGORY_INSTANCE_METHODS_"; 620864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 620964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 621064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 621164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 621264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, 0\n"; 621364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 621464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 621564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "&_OBJC_CATEGORY_CLASS_METHODS_"; 621664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 621764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 621864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 621964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 622064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, 0\n"; 622164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 622264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl && CDecl->protocol_begin() != CDecl->protocol_end()) { 622364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_"; 622464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 622564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 622664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 622764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 622864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, 0\n"; 622964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, sizeof(struct _objc_category), 0\n};\n"; 623064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 623164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 623264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 623364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// class methods. 623464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahaniantemplate<typename MethodIterator> 623564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 623664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 623764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 623864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 623964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 624064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 624164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MethodBegin == MethodEnd) return; 624264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 624364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_impl_method) { 624464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_method { 624564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SEL _cmd; 624664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *method_types; 624764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void *_imp; 624864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 624964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 625064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 625164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tSEL _cmd;\n"; 625264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *method_types;\n"; 625364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid *_imp;\n"; 625464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 625564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 625664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = true; 625764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 625864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 625964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's methods if needed 626064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 626164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct { 626264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *next_method; 626364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int method_count; 626464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method method_list[]; 626564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 626664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 626764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 626864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct {\n"; 626964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *next_method;\n"; 627064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint method_count;\n"; 627164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method method_list["; 627264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumMethods); 627364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 627464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 627564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 627664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_METHODS_"; 627764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 627864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __"; 627964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "inst" : "cls"; 628064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_meth\")))= "; 628164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 628264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 628364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{{(SEL)\""; 628464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 628564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 628664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 628764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 628864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 628964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 629064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 629164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 629264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 629364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,{(SEL)\""; 629464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 629564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 629664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 629764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 629864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 629964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 630064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 630164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 630264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 630364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 630464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 630564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 630664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) { 630764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = IV->getSourceRange(); 630864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *BaseExpr = IV->getBase(); 630964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 631064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the base, but without actually doing replaces. 631164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 631264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 631364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr)); 631464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(BaseExpr); 631564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 631664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 631764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *D = IV->getDecl(); 631864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 631964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = IV; 632064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurMethodDef) { 632164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 632264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 632364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 632464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 632564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 632664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 632764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 632864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 632964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 633064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 633164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 633264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName = clsDeclared->getIdentifier()->getName(); 633364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecName += "_IMPL"; 633464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName); 633564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 633664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 633764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 633864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 633964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 634064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 634164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 634264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getBase()); 634364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 634464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(OldRange.getBegin(), 634564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldRange.getEnd(), 634664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castExpr); 634764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IV->isFreeIvar() && 634864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian declaresSameEntity(CurMethodDef->getClassInterface(), iFaceDecl->getDecl())) { 634964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, D, 635064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getLocation(), 635164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian D->getType(), 635264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary); 635364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement = ME; 635464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 635564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(PE); 635664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 635764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 635864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { // we are outside a method. 635964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!IV->isFreeIvar() && "Cannot have a free standing ivar outside a method"); 636064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 636164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicit ivar refs need to have a cast inserted. 636264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: consider sharing some of this code with the code above. 636364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 636464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 636564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 636664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 636764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 636864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 636964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 637064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 637164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 637264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 637364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName = clsDeclared->getIdentifier()->getName(); 637464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecName += "_IMPL"; 637564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName); 637664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 637764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 637864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 637964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 638064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 638164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 638264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 638364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getBase()); 638464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 638564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 638664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getBase()->getLocEnd(), castExpr); 638764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Cannot delete IV->getBase(), since PE points to it. 638864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the old base with the cast. This is important when doing 638964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // embedded rewrites. For example, [newInv->_container addObject:0]. 639064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(PE); 639164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 639264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 639364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 639464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(IV, Replacement, OldRange); 639564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 639664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 639764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6398