RewriteModernObjC.cpp revision 82848c26c896d46c0b98e1776a7781e754a8ee25
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 llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames; 11264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Stmt *, 32> Stmts; 11364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 8> ObjCBcLabelNo; 11464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember all the @protocol(<expr>) expressions. 11564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls; 11664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 11764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseSet<uint64_t> CopyDestroyCache; 11864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 11964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block expressions. 12064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockExpr *, 32> Blocks; 12164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<int, 32> InnerDeclRefsCount; 12264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 32> InnerDeclRefs; 12364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 32> BlockDeclRefs; 12564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 12664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block related declarations. 12764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByCopyDecls; 12864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet; 12964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ValueDecl *, 8> BlockByRefDecls; 13064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet; 13164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo; 13264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls; 13364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls; 13464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs; 13664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 13764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This maps an original source AST to it's rewritten form. This allows 13864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // us to avoid rewriting the same node twice (which is very uncommon). 13964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed to support some of the exotic property rewriting. 14064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes; 14164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 14264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Needed for header files being rewritten 14364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsHeader; 14464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning; 14564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool objc_impl_method; 14664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 14764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool DisableReplaceStmt; 14864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian class DisableReplaceStmtScope { 14964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC &R; 15064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SavedValue; 15164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 15264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 15364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope(RewriteModernObjC &R) 15464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : R(R), SavedValue(R.DisableReplaceStmt) { 15564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = true; 15664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 15764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~DisableReplaceStmtScope() { 15864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian R.DisableReplaceStmt = SavedValue; 15964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 16064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 16164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InitializeCommon(ASTContext &context); 16264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 16364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian public: 16464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 16564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Top Level Driver code. 16664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual bool HandleTopLevelDecl(DeclGroupRef D) { 16764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 16864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*I)) { 16964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Class->isThisDeclarationADefinition()) { 17064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(D); 17164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 17264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 17364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 17464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 17564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*I)) { 17664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 17764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(D); 17864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 17964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 18264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*I); 18364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 18564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 18664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleTopLevelSingleDecl(Decl *D); 18764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HandleDeclInMainFile(Decl *D); 18864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteModernObjC(std::string inFile, raw_ostream *OS, 18964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 19064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn); 19164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ~RewriteModernObjC() {} 19364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void HandleTranslationUnit(ASTContext &C); 19564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmt(Stmt *Old, Stmt *New) { 19764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = ReplacedNodes[Old]; 19864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 19964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ReplacingStmt) 20064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // We can't rewrite the same node twice. 20164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 20364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 20464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 20564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 20664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceStmt(Old, New)) { 20764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 20864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 20964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 21064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 21164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 21364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 21464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 21564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 21664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) { 21764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DisableReplaceStmt) 21864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 21964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 22064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Measure the old text. 22164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int Size = Rewrite.getRangeSize(SrcRange); 22264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Size == -1) { 22364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 22464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 22564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 22664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 22764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 22864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 22964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream S(SStr); 23064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian New->printPretty(S, *Context, 0, PrintingPolicy(LangOpts)); 23164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = S.str(); 23264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 23364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If replacement succeeded or warning disabled return with no warning. 23464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) { 23564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacedNodes[Old] = New; 23664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 23764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 23864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SilenceRewriteMacroWarning) 23964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 24064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 24164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian << Old->getSourceRange(); 24264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 24364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 24464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertText(SourceLocation Loc, StringRef Str, 24564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool InsertAfter = true) { 24664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If insertion succeeded or warning disabled return with no warning. 24764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.InsertText(Loc, Str, InsertAfter) || 24864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 24964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 25064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag); 25264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 25364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 25464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void ReplaceText(SourceLocation Start, unsigned OrigLength, 25564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Str) { 25664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If removal succeeded or warning disabled return with no warning. 25764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewrite.ReplaceText(Start, OrigLength, Str) || 25864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning) 25964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 26064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag); 26264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 26364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 26464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Syntactic Rewriting. 26564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteRecordBody(RecordDecl *RD); 26664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInclude(); 26764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(DeclGroupRef D); 26864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassDecl(const llvm::SmallVector<Decl*, 8> &DG); 26964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 27064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString); 27164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementations(); 27264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 27364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 27464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID); 27564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl); 27664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteImplementationDecl(Decl *Dcl); 27764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 27864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MDecl, std::string &ResultStr); 27964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeIntoString(QualType T, std::string &ResultStr, 28064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType); 28164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefString(std::string &ResultStr, const std::string &Name, 28264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def=false); 28364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCategoryDecl(ObjCCategoryDecl *Dcl); 28464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProtocolDecl(ObjCProtocolDecl *Dcl); 28564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(DeclGroupRef D); 28664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG); 28764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteMethodDeclaration(ObjCMethodDecl *Method); 28864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteProperty(ObjCPropertyDecl *prop); 28964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteFunctionDecl(FunctionDecl *FD); 29064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerType(std::string& Str, QualType Type); 29164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD); 29264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD); 29364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl); 29464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTypeOfDecl(VarDecl *VD); 29564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCQualifiedInterfaceTypes(Expr *E); 29664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 29764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Expression Rewriting. 29864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S); 29964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp); 30064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitGetter(PseudoObjectExpr *Pseudo); 30164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewritePropertyOrImplicitSetter(PseudoObjectExpr *Pseudo); 30264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp); 30364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp); 30464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp); 30564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 30664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteTryReturnStmts(Stmt *S); 30764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteSyncReturnStmts(Stmt *S, std::string buf); 30864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 30964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 31064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 31164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 31264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd); 31364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 31464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 31564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteCastExpr(CStyleCastExpr *CE); 31664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 31764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block rewriting. 31864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 31964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Block specific rewrite rules. 32164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerDecl(NamedDecl *VD); 32264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteByRefVar(VarDecl *VD); 32364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteBlockDeclRefExpr(Expr *VD); 32464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 32564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 32664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 32764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 32864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 32964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void Initialize(ASTContext &context); 33164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. AST transformation routines. Somtimes they end up calling 33364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewriting routines on the new ASTs. 33464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 33564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr **args, unsigned nargs, 33664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 33764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 33864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 33964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 34064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc=SourceLocation(), 34164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc=SourceLocation()); 34264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 34364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 34464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFunctionDecl(); 34564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperFunctionDecl(); 34664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendStretFunctionDecl(); 34764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 34864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 34964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetClassFunctionDecl(); 35064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetMetaClassFunctionDecl(); 35164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 35264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSelGetUidFunctionDecl(); 35364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthSuperContructorFunctionDecl(); 35464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 35564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting metadata 35664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian template<typename MethodIterator> 35764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 35864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 35964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 36064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 36164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 36264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 36364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 36464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 36564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 36664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 36764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCProtocolListMetaData( 36864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Prots, 36964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, std::string &Result); 37064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 37164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 37264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteMetaDataIntoBuffer(std::string &Result); 37364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 37464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 37564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 37664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewriting ivar 37764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual void RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 37864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result); 37964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian virtual Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV); 38064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 38164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 38264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 38364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 38464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 38564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 38664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, std::string Tag); 38764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockImpl(BlockExpr *CE, 38864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag, std::string Desc); 38964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SynthesizeBlockDescriptor(std::string DescTag, 39064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, 39164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int i, StringRef funcName, 39264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy); 39364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 39464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void SynthesizeBlockLiterals(SourceLocation FunLocStart, 39564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName); 39664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *SynthBlockInitFunctionDecl(StringRef name); 39764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 39864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs); 39964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Misc. helper routines. 40164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getProtocolType(); 40264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void WarnAboutReturnGotoStmts(Stmt *S); 40364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void HasReturnStmts(Stmt *S, bool &hasReturns); 40464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 40564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 40664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 40764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 40864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsDeclStmtInForeachHeader(DeclStmt *DS); 40964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void CollectBlockDeclRefInfo(BlockExpr *Exp); 41064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetBlockDeclRefExprs(Stmt *S); 41164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 41264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 41364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 41464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 41564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We avoid calling Type::isBlockPointerType(), since it operates on the 41664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // canonical type. We only care if the top-level type is a closure pointer. 41764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isTopLevelBlockPointerType(QualType T) { 41864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return isa<BlockPointerType>(T); 41964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 42064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 42164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 42264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 42364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// otherwise. 42464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 42564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 42664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 42764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 42864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 42964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 43064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 43164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 43264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool needToScanForQualifiers(QualType T); 43464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSuperStructType(); 43564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getConstantStringStructType(); 43664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 43764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 43864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 43964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 44064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 44164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCIdType(); 44264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCQualifiedClassType()) 44364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getObjCClassType(); 44464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isObjCObjectPointerType() && 44564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) { 44664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCObjectPointerType * OBJPT = 44764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->getAsObjCInterfacePointerType()) { 44864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *IFaceT = OBJPT->getInterfaceType(); 44964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = QualType(IFaceT, 0); 45064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = Context->getPointerType(T); 45164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 45464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 45564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This predicate seems like it would be useful to add to ASTContext. 45664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isObjCType(QualType T) { 45764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 45864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 45964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 46164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 46364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OCT == Context->getCanonicalType(Context->getObjCClassType())) 46464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 46564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 46664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = OCT->getAs<PointerType>()) { 46764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 46864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PT->getPointeeType()->isObjCQualifiedIdType()) 46964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 47064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 47264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 47364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyBlockArguments(QualType QT); 47464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 47564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void GetExtentOfArgList(const char *Name, const char *&LParen, 47664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen); 47764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 47864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void QuoteDoublequotes(std::string &From, std::string &To) { 47964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < From.length(); i++) { 48064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (From[i] == '"') 48164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += "\\\""; 48264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 48364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian To += From[i]; 48464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 48664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 48764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getSimpleFunctionType(QualType result, 48864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const QualType *args, 48964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs, 49064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool variadic = false) { 49164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (result == Context->getObjCInstanceType()) 49264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian result = Context->getObjCIdType(); 49364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionProtoType::ExtProtoInfo fpi; 49464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian fpi.Variadic = variadic; 49564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getFunctionType(result, args, numArgs, fpi); 49664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 49764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 49864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Helper function: create a CStyleCastExpr with trivial type source info. 49964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 50064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind Kind, Expr *E) { 50164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 50264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 50364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation()); 50464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 50564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 50664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 50864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 50964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 51064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl *D) { 51164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *fproto 51264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 51364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 51464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = fproto->arg_type_end(); I && (I != E); ++I) 51564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) { 51664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // All the args are checked/rewritten. Don't call twice! 51764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(D); 51864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 51964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 52064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 52164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 52264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 52364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 52464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = funcType->getAs<PointerType>(); 52564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 52664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 52764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 52864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 52964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 53064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 53164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DotPos == std::string::npos) { 53364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // no file extension 53464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 53564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 53664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 53764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 53864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C header: .h 53964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // C++ header: .hh or .H; 54064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 54164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 54264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 54364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteModernObjC(std::string inFile, raw_ostream* OS, 54464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &D, const LangOptions &LOpts, 54564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool silenceMacroWarn) 54664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 54764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SilenceRewriteMacroWarning(silenceMacroWarn) { 54864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IsHeader = IsHeaderFile(inFile); 54964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFailedDiag = Diags.getCustomDiagID(DiagnosticsEngine::Warning, 55064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriting sub-expression within a macro (may not be correct)"); 55164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag = Diags.getCustomDiagID( 55264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine::Warning, 55364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "rewriter doesn't support user-specified control flow semantics " 55464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "for @try/@finally (code may not execute properly)"); 55564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 55664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 55764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianASTConsumer *clang::CreateModernObjCRewriter(const std::string& InFile, 55864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian raw_ostream* OS, 55964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DiagnosticsEngine &Diags, 56064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const LangOptions &LOpts, 56164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool SilenceRewriteMacroWarning) { 56264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return new RewriteModernObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 56364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 56464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 56564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InitializeCommon(ASTContext &context) { 56664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context = &context; 56764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM = &Context->getSourceManager(); 56864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TUDecl = Context->getTranslationUnitDecl(); 56964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = 0; 57064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = 0; 57164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = 0; 57264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = 0; 57364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = 0; 57464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = 0; 57564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = 0; 57664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = 0; 57764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = 0; 57864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CFStringFunctionDecl = 0; 57964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = 0; 58064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NSStringRecord = 0; 58164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 58264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 58364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 58464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 58564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = 0; 58664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = 0; 58764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = 0; 58864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BcLabelCount = 0; 58964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = 0; 59064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NumObjCStringLiterals = 0; 59164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 59264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 59364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 59464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = false; 59564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 59664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the ID and start/end of the main file. 59764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileID = SM->getMainFileID(); 59864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 59964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileStart = MainBuf->getBufferStart(); 60064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MainFileEnd = MainBuf->getBufferEnd(); 60164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOptions()); 60364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 60464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 60664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Top Level Driver Code 60764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 60864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 60964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTopLevelSingleDecl(Decl *D) { 61064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 61164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 61264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Two cases: either the decl could be in the main file, or it could be in a 61464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #included file. If the former, rewrite it now. If the later, check to see 61564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // if we rewrote the #include/#import. 61664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = D->getLocation(); 61764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = SM->getExpansionLoc(Loc); 61864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 61964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If this is for a builtin, ignore it. 62064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid()) return; 62164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 62264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Look for built-in declarations that we need to refer during the rewrite. 62364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 62464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionDecl(FD); 62564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 62664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <Foundation/NSString.h> 62764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FVD->getName() == "_NSConstantStringClassReference") { 62864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringClassReference = FVD; 62964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 63064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 63164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D)) { 63264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ID->isThisDeclarationADefinition()) 63364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteInterfaceDecl(ID); 63464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 63564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCategoryDecl(CD); 63664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 63764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isThisDeclarationADefinition()) 63864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProtocolDecl(PD); 63964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 64064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Recurse into linkage specifications 64164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclContext::decl_iterator DI = LSD->decls_begin(), 64264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DIEnd = LSD->decls_end(); 64364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DIEnd; ) { 64464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>((*DI))) { 64564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!IFace->isThisDeclarationADefinition()) { 64664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 64764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = IFace->getLocStart(); 64864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 64964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCInterfaceDecl>(*DI) && 65064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCInterfaceDecl>(*DI)->isThisDeclarationADefinition() && 65164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 65264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 65364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 65464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 65564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 65664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 65764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 65864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassDecl(DG); 65964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 66064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 66164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 66264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 66364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>((*DI))) { 66464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Proto->isThisDeclarationADefinition()) { 66564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Decl *, 8> DG; 66664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc = Proto->getLocStart(); 66764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian do { 66864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ObjCProtocolDecl>(*DI) && 66964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !cast<ObjCProtocolDecl>(*DI)->isThisDeclarationADefinition() && 67064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc == (*DI)->getLocStart()) 67164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DG.push_back(*DI); 67264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 67364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 67464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 67564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 67664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } while (DI != DIEnd); 67764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardProtocolDecl(DG); 67864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 67964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 68064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 68164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 68264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HandleTopLevelSingleDecl(*DI); 68364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ++DI; 68464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 68564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 68664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we have a decl in the main file, see if we should rewrite it. 68764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->isFromMainFile(Loc)) 68864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return HandleDeclInMainFile(D); 68964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 69064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 69164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 69264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Syntactic (non-AST) Rewriting Code 69364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 69464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 69564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInclude() { 69664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 69764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef MainBuf = SM->getBufferData(MainFileID); 69864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufStart = MainBuf.begin(); 69964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *MainBufEnd = MainBuf.end(); 70064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian size_t ImportLen = strlen("import"); 70164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 70264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Loop over the whole file, looking for includes. 70364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 70464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*BufPtr == '#') { 70564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 70664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 70764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 70864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (++BufPtr == MainBufEnd) 70964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 71064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 71164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace import with include 71264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation ImportLoc = 71364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart.getLocWithOffset(BufPtr-MainBufStart); 71464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(ImportLoc, ImportLen, "include"); 71564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BufPtr += ImportLen; 71664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 71964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 72064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 72164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 72264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 72364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 72464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "((struct "; 72564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ClassDecl->getIdentifier()->getName(); 72664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_IMPL *)self)->"; 72764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += OID->getName(); 72864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 72964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 73064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 73164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 73264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD, 73364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID) { 73464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcGetPropertyDefined = false; 73564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objcSetPropertyDefined = false; 73664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = PID->getLocStart(); 73764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, "// "); 73864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 73964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synthesize location"); 74064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 74164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 74264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = 74364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startBuf+1); 74464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 74664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // FIXME: is this correct? 74764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 74864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'getter' function. 74964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = PID->getPropertyDecl(); 75064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 75164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 75264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!OID) 75364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 75464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 75564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 75664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 75764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 75864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 75964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Getr; 76064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 76164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcGetPropertyDefined = true; 76264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 76364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 76464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 76564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 76664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 76764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 76864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "{ "; 76964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 77064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 77164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenGetProperty) { 77264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 77364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "typedef "; 77464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 77564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 77664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FPRetType); 77764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += " _TYPE"; 77864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 77964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 78064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 78164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 78264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 78364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "("; 78464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 78564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) Getr += ", "; 78664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 78764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 78864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ParamStr; 78964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 79064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 79164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 79264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "..."; 79364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 79464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ")"; 79564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 79664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "()"; 79764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 79864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ";\n"; 79964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return (_TYPE)"; 80064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 80164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Getr); 80264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += ", 1)"; 80364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 80564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 80664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Getr += "; }"; 80764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 80864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 80964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 81064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 81164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 81264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 81364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the 'setter' function. 81464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Setr; 81564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 81664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 81764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 81864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objcSetPropertyDefined = true; 81964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 82064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 82164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 82264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 82364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 82464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 82564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 82664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "{ "; 82764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to initialize the ivar. 82864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See objc-act.c:objc_synthesize_new_setter() for details. 82964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GenSetProperty) { 83064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 83164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(OID, Setr); 83264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", (id)"; 83364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 83464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += ", "; 83564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 83664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0, "; 83764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 83864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1, "; 83964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 84064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "1)"; 84164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 84264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "0)"; 84364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 84564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 84664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += PD->getName(); 84764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 84864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Setr += "; }"; 84964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, Setr); 85064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 85164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 85264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void RewriteOneForwardClassDecl(ObjCInterfaceDecl *ForwardDecl, 85364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &typedefString) { 85464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#ifndef _REWRITER_typedef_"; 85564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 85664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 85764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "#define _REWRITER_typedef_"; 85864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 85964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "\n"; 86064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "typedef struct objc_object "; 86164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 86264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n#endif\n"; 86364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 86464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 86564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassEpilogue(ObjCInterfaceDecl *ClassDecl, 86664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &typedefString) { 86764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = ClassDecl->getLocStart(); 86864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 86964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiPtr = strchr(startBuf, ';'); 87064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the @class with typedefs corresponding to the classes. 87164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 87264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 87364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 87464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl(DeclGroupRef D) { 87564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 87664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) { 87764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(*I); 87864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == D.begin()) { 87964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Translate to typedef's that forward reference structs with the same name 88064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as the class. As a convenience, we include the original declaration 88164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as a comment. 88264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 88364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 88464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 88564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 88664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 88764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 88864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclGroupRef::iterator I = D.begin(); 88964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(*I), typedefString); 89064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 89164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 89264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardClassDecl( 89364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const llvm::SmallVector<Decl*, 8> &D) { 89464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string typedefString; 89564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < D.size(); i++) { 89664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = cast<ObjCInterfaceDecl>(D[i]); 89764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i == 0) { 89864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += "// @class "; 89964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 90064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian typedefString += ";\n"; 90164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 90264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteOneForwardClassDecl(ForwardDecl, typedefString); 90364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 90464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteForwardClassEpilogue(cast<ObjCInterfaceDecl>(D[0]), typedefString); 90564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 90664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 90764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 90864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 90964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // nothing to rewrite. 91064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Method->isImplicit()) 91164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 91264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = Method->getLocStart(); 91364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = Method->getLocEnd(); 91464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 91564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SM->getExpansionLineNumber(LocEnd) > 91664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SM->getExpansionLineNumber(LocStart)) { 91764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "#if 0\n"); 91864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, 1, ";\n#endif\n"); 91964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 92064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocStart, "// "); 92164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 92264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 92364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProperty(ObjCPropertyDecl *prop) { 92564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 92664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 92764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Loc, 0, "// "); 92864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle properties that are declared across multiple lines. 92964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 93064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 93264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CatDecl->getLocStart(); 93364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle category headers that are declared across multiple lines. 93564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 93664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 93764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 93864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 93964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 94064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 94164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::instmeth_iterator 94264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 94364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 94464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 94564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryDecl::classmeth_iterator 94664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 94764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 94864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 94964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 95164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 95264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strlen("@end"), "/* @end */"); 95364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 95464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 95664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = PDecl->getLocStart(); 95764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(PDecl->isThisDeclarationADefinition()); 95864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 95964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle protocol headers that are declared across multiple lines. 96064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 96164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 96264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 96364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 96464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 96564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 96664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 96764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 96864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 96964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 97064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 97264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 97364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 97464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 97664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 97764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 97864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 97964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must comment out @optional/@required 98064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 98164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 98264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 98364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 98464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 98564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 98664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 98764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 98864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 98964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OptionalLoc = LocStart.getLocWithOffset(p-startBuf); 99064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 99164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 99364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 99464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 99564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 99664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteForwardProtocolDecl(DeclGroupRef D) { 99764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = (*D.begin())->getLocStart(); 99864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 99964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 100064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 100164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 100264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 100364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 100464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid 100564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianRewriteModernObjC::RewriteForwardProtocolDecl(const llvm::SmallVector<Decl*, 8> &DG) { 100664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = DG[0]->getLocStart(); 100764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 100864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("Invalid SourceLocation"); 100964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 101064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 0, "// "); 101164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 101264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 101364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 101464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *&FPRetType) { 101564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 101664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id"; 101764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (T->isFunctionPointerType() || 101864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T->isBlockPointerType()) { 101964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // needs special handling, since pointer-to-functions have special 102064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // syntax (where a decaration models use). 102164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType retType = T; 102264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PointeeTy; 102364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType* PT = retType->getAs<PointerType>()) 102464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = PT->getPointeeType(); 102564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 102664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointeeTy = BPT->getPointeeType(); 102764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 102864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += FPRetType->getResultType().getAsString( 102964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 103064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "(*"; 103164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 103264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 103364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += T.getAsString(Context->getPrintingPolicy()); 103464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 103564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 103664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 103764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD, 103864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &ResultStr) { 103964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 104064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FPRetType = 0; 104164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\nstatic "; 104264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 104364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " "; 104464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique method name 104664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string NameStr; 104764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 104864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) 104964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_I_"; 105064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 105164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_C_"; 105264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += IDecl->getNameAsString(); 105464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 105564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 105664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCCategoryImplDecl *CID = 105764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 105864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += CID->getNameAsString(); 105964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += "_"; 106064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 106164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Append selector names, replacing ':' with '_' 106264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 106364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string selString = OMD->getSelector().getAsString(); 106464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int len = selString.size(); 106564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < len; i++) 106664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (selString[i] == ':') 106764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selString[i] = '_'; 106864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NameStr += selString; 106964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 107064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remember this name for metadata emission 107164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 107264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += NameStr; 107364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite arguments 107564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 107664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 107764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // invisible arguments 107864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isInstanceMethod()) { 107964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 108064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 108164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!LangOpts.MicrosoftExt) { 108264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 108364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 108464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 108564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // When rewriting for Microsoft, explicitly omit the structure name. 108664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 108764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " *"; 108864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 108964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 109064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCClassType().getAsString( 109164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 109264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " self, "; 109464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Context->getObjCSelType().getAsString(Context->getPrintingPolicy()); 109564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += " _cmd"; 109664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 109764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Method arguments. 109864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 109964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 110064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParmVarDecl *PDecl = *PI; 110164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", "; 110264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PDecl->getType()->isObjCQualifiedIdType()) { 110364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "id "; 110464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += PDecl->getNameAsString(); 110564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 110664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = PDecl->getNameAsString(); 110764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = PDecl->getType(); 110864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 110964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 111064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 111164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 111264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl->getType().getAsStringInternal(Name, Context->getPrintingPolicy()); 111364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += Name; 111464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 111664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OMD->isVariadic()) 111764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ", ..."; 111864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ") "; 111964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 112064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FPRetType) { 112164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; // close the precedence "scope" for "*". 112264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 112364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, emit the argument types (if any). 112464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 112564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "("; 112664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 112764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i) ResultStr += ", "; 112864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 112964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPrintingPolicy()); 113064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ParamStr; 113164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 113364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->getNumArgs()) ResultStr += ", "; 113464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "..."; 113564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 113664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ")"; 113764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 113864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "()"; 113964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 114064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 114164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 114264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementationDecl(Decl *OID) { 114364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 114464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 114564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 114664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocStart() : CID->getLocStart(), "// "); 114764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 114864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::instmeth_iterator 114964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 115064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 115164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 115264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 115364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 115464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 115564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 115664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 115764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 115864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 115964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 116064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 116164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 116264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 116364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::classmeth_iterator 116464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 116564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 116664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 116764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 116864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *OMD = *I; 116964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 117064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 117164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 117264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 117364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 117464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 117564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, ResultStr); 117664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 117764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCCategoryImplDecl::propimpl_iterator 117864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 117964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 118064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) { 118164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewritePropertyImplDecl(*I, IMD, CID); 118264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 118364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 118464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 118564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 118664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 118764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 118864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 118964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCForwardDecls.count(ClassDecl->getCanonicalDecl())) { 119064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we haven't seen a forward decl - generate a typedef. 119164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr = "#ifndef _REWRITER_typedef_"; 119264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 119364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\n"; 119464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "#define _REWRITER_typedef_"; 119564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 119664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "\n"; 119764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "typedef struct objc_object "; 119864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ClassDecl->getNameAsString(); 119964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += ";\n#endif\n"; 120064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this typedef as having been generated. 120164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCForwardDecls.insert(ClassDecl->getCanonicalDecl()); 120264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 120364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCInternalStruct(ClassDecl, ResultStr); 120464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 120564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 120664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ClassDecl->prop_end(); I != E; ++I) 120764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteProperty(*I); 120864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::instmeth_iterator 120964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 121064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 121164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 121264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::classmeth_iterator 121364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 121464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian I != E; ++I) 121564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMethodDeclaration(*I); 121664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 121764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Lastly, comment out the @end. 121864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 121964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "/* @end */"); 122064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 122164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 122264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitSetter(PseudoObjectExpr *PseudoOp) { 122364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 122464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 122564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 122664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 122764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 122864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getSemanticExpr( 122964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PseudoOp->getNumSemanticExprs() - 1)); 123064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 123164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 123264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 123364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base, *RHS; 123464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 123564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 123664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 123764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 123864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = 0; 123964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 124064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 124164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 124264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 124364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 124464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 124564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the RHS. 124664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<BinaryOperator>(PseudoOp->getSyntacticForm())->getRHS(); 124764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<OpaqueValueExpr>(RHS)->getSourceExpr(); 124864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(RHS)); 124964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 125064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // TODO: avoid this copy. 125264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 125364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelectorLocs(SelLocs); 125464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 125564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 125664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 125764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 125864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 125964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 126064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 126164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 126264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 126364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 126464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 126564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 126664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 126764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 126864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 126964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 127064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 127164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 127264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 127364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 127464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 127564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 127664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 127764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 127864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 127964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 128064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 128164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 128264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 128364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 128464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 128564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 128664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 128764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 128864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 128964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 129064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 129164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 129264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 129364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 129464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RHS, 129564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 129664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 129764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 129864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 129964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 130064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 130164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 130264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 130364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 130464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 130564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewritePropertyOrImplicitGetter(PseudoObjectExpr *PseudoOp) { 130664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = PseudoOp->getSourceRange(); 130764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 130864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We just magically know some things about the structure of this 130964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression. 131064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *OldMsg = 131164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast<ObjCMessageExpr>(PseudoOp->getResultExpr()->IgnoreImplicit()); 131264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Because the rewriter doesn't allow us to rewrite rewritten code, 131464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need to suppress rewriting the sub-statements. 131564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Base = 0; 131664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 131764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 131864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 131964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rebuild the base expression if we have one. 132064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (OldMsg->getReceiverKind() == ObjCMessageExpr::Instance) { 132164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = OldMsg->getInstanceReceiver(); 132264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<OpaqueValueExpr>(Base)->getSourceExpr(); 132364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(Base)); 132464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 132564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 132664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 132764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Intentionally empty. 132864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<SourceLocation, 1> SelLocs; 132964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 1> Args; 133064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 133164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMessageExpr *NewMsg = 0; 133264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (OldMsg->getReceiverKind()) { 133364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: 133464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 133564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 133664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 133764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getClassReceiverTypeInfo(), 133864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 133964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 134064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 134164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 134264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 134364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 134464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 134564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 134664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: 134764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 134864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 134964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 135064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Base, 135164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 135264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 135364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 135464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 135564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 135664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 135764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 135864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 135964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: 136064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance: 136164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewMsg = ObjCMessageExpr::Create(*Context, OldMsg->getType(), 136264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getValueKind(), 136364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getLeftLoc(), 136464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperLoc(), 136564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getReceiverKind() == ObjCMessageExpr::SuperInstance, 136664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSuperType(), 136764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getSelector(), 136864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelLocs, 136964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getMethodDecl(), 137064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Args, 137164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->getRightLoc(), 137264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldMsg->isImplicit()); 137364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 137464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 137564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 137664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *Replacement = SynthMessageExpr(NewMsg); 137764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(PseudoOp, Replacement, OldRange); 137864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 137964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 138064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 138164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthCountByEnumWithState - To print: 138264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ((unsigned int (*) 138364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 138464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (void *)objc_msgSend)((id)l_collection, 138564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// sel_registerName( 138664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// "countByEnumeratingWithState:objects:count:"), 138764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// &enumState, 138864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// (id *)__rw_items, (unsigned int)16) 138964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 139064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthCountByEnumWithState(std::string &buf) { 139164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 139264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "id *, unsigned int))(void *)objc_msgSend)"; 139364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 139464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "((id)l_collection,\n\t\t"; 139564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 139664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 139764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "&enumState, " 139864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "(id *)__rw_items, (unsigned int)16)"; 139964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 140064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 140164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 140264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to exit to its outer synthesized loop. 140364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 140464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBreakStmt(BreakStmt *S) { 140564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 140664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 140764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace break with goto __break_label 140864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 140964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 141064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 141164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __break_label_"; 141264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 141364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("break"), buf); 141464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 141564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 141664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 141764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 141864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 141964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// statement to continue with its inner synthesized loop. 142064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 142164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteContinueStmt(ContinueStmt *S) { 142264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 142364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 142464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace continue with goto __continue_label 142564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 142664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 142764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 142864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "goto __continue_label_"; 142964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 143064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, strlen("continue"), buf); 143164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 143364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 143464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 143664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It rewrites: 143764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// for ( type elem in collection) { stmts; } 143864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 143964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// Into: 144064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// { 144164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// type elem; 144264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 144364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id __rw_items[16]; 144464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id l_collection = (id)collection; 144564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 144664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]; 144764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (limit) { 144864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 144964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 145064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// unsigned long counter = 0; 145164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// do { 145264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// if (startMutations != *enumState.mutationsPtr) 145364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_enumerationMutation(l_collection); 145464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 145564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// stmts; 145664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __continue_label: ; 145764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (counter < limit); 145864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 145964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objects:__rw_items count:16]); 146064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 146164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __break_label: ; 146264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 146364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// else 146464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// elem = nil; 146564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 146664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 146764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 146864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OrigEnd) { 146964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 147064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 147164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 147264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!ObjCBcLabelNo.empty() && 147364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 147464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 147564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 147664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 147764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef elementName; 147864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string elementTypeAsString; 147964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 148064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "\n{\n\t"; 148164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 148264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // type elem; 148364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 148464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElementType = cast<ValueDecl>(D)->getType(); 148564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ElementType->isObjCQualifiedIdType() || 148664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ElementType->isObjCQualifiedInterfaceType()) 148764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 148864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 148964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 149064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = ElementType.getAsString(Context->getPrintingPolicy()); 149164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 149264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " "; 149364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = D->getName(); 149464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 149564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 149664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 149764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 149864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 149964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementName = DR->getDecl()->getName(); 150064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 150164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getType()->isObjCQualifiedIdType() || 150264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCQualifiedInterfaceType()) 150364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simply use 'id' for all qualified types. 150464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = "id"; 150564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 150664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian elementTypeAsString = VD->getType().getAsString(Context->getPrintingPolicy()); 150764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 150864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 150964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 151064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 151164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id __rw_items[16]; 151264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id __rw_items[16];\n\t"; 151364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // id l_collection = (id) 151464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id l_collection = (id)"; 151564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find start location of 'collection' the hard way! 151664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startCollectionBuf = startBuf; 151764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 151864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 151964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; // skip '(' 152064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // find 'in' and skip it. 152164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startCollectionBuf != ' ' || 152264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 152364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 152464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 152564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf++; 152664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startCollectionBuf += 3; 152764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 152864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace: "for (type element in" with string constructed thus far. 152964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 153064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 153164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 153264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 153364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lparenLoc = startLoc.getLocWithOffset(rparenBuf-startBuf); 153464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 153564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 153664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 153764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // objects:__rw_items count:16]; 153864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // which is synthesized into: 153964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // unsigned int limit = 154064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ((unsigned int (*) 154164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 154264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (void *)objc_msgSend)((id)l_collection, 154364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // sel_registerName( 154464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // "countByEnumeratingWithState:objects:count:"), 154564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct __objcFastEnumerationState *)&state, 154664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id *)__rw_items, (unsigned int)16); 154764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 154864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 154964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ";\n\t"; 155064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (limit) { 155164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 155264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 155364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// unsigned long counter = 0; 155464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// do { 155564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// if (startMutations != *enumState.mutationsPtr) 155664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objc_enumerationMutation(l_collection); 155764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 155864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (limit) {\n\t"; 155964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 156064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t"; 156164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 156264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "do {\n\t\t\t"; 156364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 156464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 156564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 156664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = ("; 156764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 156864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 156964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 157064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lparenLoc, 1, buf); 157164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 157264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __continue_label: ; 157364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (counter < limit); 157464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 157564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// objects:__rw_items count:16]); 157664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 157764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// __break_label: ; 157864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 157964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// else 158064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// elem = nil; 158164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// } 158264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /// 158364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ";\n\t"; 158464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__continue_label_"; 158564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 158664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;"; 158764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n\t\t"; 158864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 158964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} while (limit = "; 159064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthCountByEnumWithState(buf); 159164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ");\n\t"; 159264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 159364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 159464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 159564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 159664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "__break_label_"; 159764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 159864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ": ;\n\t"; 159964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n\t"; 160064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else\n\t\t"; 160164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementName; 160264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " = (("; 160364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += elementTypeAsString; 160464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ")0);\n\t"; 160564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 160664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 160764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert all these *after* the statement body. 160864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 160964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<CompoundStmt>(S->getBody())) { 161064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(1); 161164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 161264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 161364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* Need to treat single statements specially. For example: 161464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 161564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) if (stuff()) break; 161664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * for (A *a in b) xxxyy; 161764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * 161864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian * The following code simply scans ahead to the semi to find the actual end. 161964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 162064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *stmtBuf = SM->getCharacterData(OrigEnd); 162164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(stmtBuf, ';'); 162264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(semiBuf && "Can't find ';'"); 162364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endBodyLoc = OrigEnd.getLocWithOffset(semiBuf-stmtBuf+1); 162464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endBodyLoc, buf); 162564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 162664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 162764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.pop_back(); 162864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 162964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 163064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 163164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCSynchronizedStmt - 163264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 163364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// into: 163464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// objc_sync_enter(expr); 163564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 163664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 163764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 163864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 163964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 164064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 164164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 164264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 164364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 164464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 164564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_sync_enter((id)"; 164664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lparenBuf = startBuf; 164764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*lparenBuf != '(') lparenBuf++; 164864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 164964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 165064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the sync expression is typically a message expression that's already 165164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // been rewritten! (which implies the SourceLocation's are invalid). 165264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = S->getSynchBody()->getLocStart(); 165364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 165464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*endBuf != ')') endBuf--; 165564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rparenLoc = startLoc.getLocWithOffset(endBuf-startBuf); 165664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = ");\n"; 165764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 165864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n"; 165964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 166064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 166164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 166264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 166364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 166464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(rparenLoc, 1, buf); 166564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = S->getSynchBody()->getLocEnd(); 166664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 166764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 166864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '}') && "bogus @synchronized block"); 166964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 167064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "}\nelse {\n"; 167164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 167264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 167364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "{ /* implicit finally clause */\n"; 167464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 167564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 167664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string syncBuf; 167764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += " objc_sync_exit("; 167864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 167964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *syncExpr = S->getSynchExpr(); 168064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = syncExpr->getType()->isObjCObjectPointerType() 168164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : 168264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr->getType()->isBlockPointerType() 168364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 168464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 168564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 168664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, syncExpr); 168764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string syncExprBufS; 168864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream syncExprBuf(syncExprBufS); 168964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncExpr->printPretty(syncExprBuf, *Context, 0, 169064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 169164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += syncExprBuf.str(); 169264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian syncBuf += ");"; 169364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 169464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += syncBuf; 169564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n"; 169664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 169764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 169864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 169964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 170064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 170164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasReturns = false; 170264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(S->getSynchBody(), hasReturns); 170364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasReturns) 170464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteSyncReturnStmts(S->getSynchBody(), syncBuf); 170564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 170664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 170764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 170864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 170964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::WarnAboutReturnGotoStmts(Stmt *S) 171064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 171164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 171264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 171364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 171464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(*CI); 171564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 171664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 171764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Diags.Report(Context->getFullLoc(S->getLocStart()), 171864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TryFinallyContainsReturnDiag); 171964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 172064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 172164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 172264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 172364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HasReturnStmts(Stmt *S, bool &hasReturns) 172464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian{ 172564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 172664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 172764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) 172864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(*CI, hasReturns); 172964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 173064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) 173164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian hasReturns = true; 173264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 173364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 173464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 173564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTryReturnStmts(Stmt *S) { 173664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 173764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 173864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 173964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTryReturnStmts(*CI); 174064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 174164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) { 174264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 174364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 174464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 174664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'"); 174764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1); 174864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 174964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 175064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ objc_exception_try_exit(&_stack); return"; 175164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 6, buf); 175364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, "}"); 175464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 175564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 175664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 175764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 175864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) { 175964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up traversal of all children. 176064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 176164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 176264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteSyncReturnStmts(*CI, syncExitBuf); 176364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 176464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<ReturnStmt>(S)) { 176564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 176664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 176764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 176864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 176964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'"); 177064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation onePastSemiLoc = startLoc.getLocWithOffset(semiBuf-startBuf+1); 177164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 177264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 177364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ objc_exception_try_exit(&_stack);"; 177464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += syncExitBuf; 177564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " return"; 177664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 177764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 6, buf); 177864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(onePastSemiLoc, "}"); 177964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 178064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 178164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 178264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 178364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 178464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 178564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 178664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 178764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 178864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @try location"); 178964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 179164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 179264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "/* @try scope begin */ { struct _objc_exception_data {\n"; 179364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 179464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 179564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 179664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 179764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 179864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 179964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 4, buf); 180064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = S->getTryBody()->getLocEnd(); 180264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 180364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '}') && "bogus @try block"); 180564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 180664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 180764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getNumCatchStmts()) { 180864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = startLoc.getLocWithOffset(1); 180964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = " /* @catch begin */ else {\n"; 181064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " id _caught = objc_exception_extract(&_stack);\n"; 181164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " objc_exception_try_enter (&_stack);\n"; 181264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (_setjmp(_stack.buf))\n"; 181364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 181464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " else { /* @catch continue */"; 181564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 181664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, buf); 181764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { /* no catch list */ 181864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "}\nelse {\n"; 181964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 182064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 182164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 182264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 182364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *lastCatchBody = 0; 182464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 182564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 182664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *catchDecl = Catch->getCatchParamDecl(); 182764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 182864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (I == 0) 182964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "if ("; // we are generating code for the first catch clause 183064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 183164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "else if ("; 183264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = Catch->getLocStart(); 183364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 183464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @catch location"); 183664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *lParenLoc = strchr(startBuf, '('); 183864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 183964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Catch->hasEllipsis()) { 184064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now rewrite the body... 184164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCatchBody = Catch->getCatchBody(); 184264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocStart(); 184364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *bodyBuf = SM->getCharacterData(bodyLoc); 184464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' && 184564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @catch paren location"); 184664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*bodyBuf == '{') && "bogus @catch body location"); 184764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 184864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "1) { id _tmp = _caught;"; 184964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf); 185064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (catchDecl) { 185164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = catchDecl->getType(); 185264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (t == Context->getObjCIdType()) { 185364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "1) { "; 185464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 185564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCObjectPointerType *Ptr = 185664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian t->getAs<ObjCObjectPointerType>()) { 185764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Should be a pointer to a class. 185864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 185964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl) { 186064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "objc_exception_match((struct objc_class *)objc_getClass(\""; 186164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += IDecl->getNameAsString(); 186264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "\"), (struct objc_object *)_caught)) { "; 186364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 186464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 186564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 186664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now rewrite the body... 186764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCatchBody = Catch->getCatchBody(); 186864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation rParenLoc = Catch->getRParenLoc(); 186964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocStart(); 187064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *bodyBuf = SM->getCharacterData(bodyLoc); 187164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *rParenBuf = SM->getCharacterData(rParenLoc); 187264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*rParenBuf == ')') && "bogus @catch paren location"); 187364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*bodyBuf == '{') && "bogus @catch body location"); 187464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 187564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here we replace ") {" with "= _caught;" (which initializes and 187664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declares the @catch parameter). 187764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;"); 187864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 187964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("@catch rewrite bug"); 188064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 188164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 188264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the catch list... 188364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (lastCatchBody) { 188464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation bodyLoc = lastCatchBody->getLocEnd(); 188564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(bodyLoc) == '}' && 188664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @catch body location"); 188764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 188864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert the last (implicit) else clause *before* the right curly brace. 188964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bodyLoc = bodyLoc.getLocWithOffset(-1); 189064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "} /* last catch end */\n"; 189164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "else {\n"; 189264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " _rethrow = _caught;\n"; 189364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " objc_exception_try_exit(&_stack);\n"; 189464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "} } /* @catch end */\n"; 189564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!S->getFinallyStmt()) 189664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}\n"; 189764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(bodyLoc, buf); 189864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 189964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set lastCurlyLoc 190064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = lastCatchBody->getLocEnd(); 190164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 190264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) { 190364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = finalStmt->getLocStart(); 190464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 190564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @finally start"); 190664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 190764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, 8, "/* @finally */"); 190864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 190964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *body = finalStmt->getFinallyBody(); 191064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = body->getLocStart(); 191164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = body->getLocEnd(); 191264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(startLoc) == '{' && 191364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @finally body location"); 191464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(*SM->getCharacterData(endLoc) == '}' && 191564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "bogus @finally body location"); 191664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 191764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = startLoc.getLocWithOffset(1); 191864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n"); 191964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endLoc = endLoc.getLocWithOffset(-1); 192064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n"); 192164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set lastCurlyLoc 192364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = body->getLocEnd(); 192464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 192564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 192664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian WarnAboutReturnGotoStmts(S->getTryBody()); 192764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { /* no finally clause - make sure we synthesize an implicit one */ 192864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "{ /* implicit finally clause */\n"; 192964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 193064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; 193164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "}"; 193264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(lastCurlyLoc, 1, buf); 193364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 193464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check for any return/continue/go statements within the @try. 193564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The implicit finally clause won't called if the @try contains any 193664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // jump statements. 193764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasReturns = false; 193864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasReturnStmts(S->getTryBody(), hasReturns); 193964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasReturns) 194064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTryReturnStmts(S->getTryBody()); 194164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 194264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now emit the final closing curly brace... 194364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian lastCurlyLoc = lastCurlyLoc.getLocWithOffset(1); 194464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(lastCurlyLoc, " } /* @try scope end */\n"); 194564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 194664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 194764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 194864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// This can't be done with ReplaceStmt(S, ThrowExpr), since 194964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// the throw expression is typically a message expression that's already 195064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// been rewritten! (which implies the SourceLocation's are invalid). 195164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 195264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the start location and compute the semi location. 195364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 195464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 195564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 195664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startBuf == '@') && "bogus @throw location"); 195764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 195864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 195964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* void objc_exception_throw(id) __attribute__((noreturn)); */ 196064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (S->getThrowExpr()) 196164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw("; 196264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else // add an implicit argument 196364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = "objc_exception_throw(_caught"; 196464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 196564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // handle "@ throw" correctly. 196664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *wBuf = strchr(startBuf, 'w'); 196764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*wBuf == 'w') && "@throw: can't find 'w'"); 196864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(startLoc, wBuf-startBuf+1, buf); 196964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startBuf, ';'); 197164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "@throw: can't find ';'"); 197264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = startLoc.getLocWithOffset(semiBuf-startBuf); 197364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(semiLoc, 1, ");"); 197464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return 0; 197564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 197664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 197764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 197864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a new string expression. 197964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType StrType = Context->getPointerType(Context->CharTy); 198064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StrEncoding; 198164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 198264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = StringLiteral::Create(*Context, StrEncoding, 198364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 198464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StrType, SourceLocation()); 198564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, Replacement); 198664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 198764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace this subexpr in the parent. 198864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 198964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 199064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 199164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 199264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 199364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 199464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 199564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 199664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"). 199764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 199864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 199964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 200064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 200164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 200264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 200364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 200464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size()); 200564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, SelExp); 200664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 200764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SelExp; 200864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 200964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianCallExpr *RewriteModernObjC::SynthesizeCallToFunctionDecl( 201164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 201264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 201364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 201464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = FD->getType(); 201564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 201664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 201764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = 201864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(FD, msgSendType, VK_LValue, SourceLocation()); 201964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 202064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now, we cast the reference to a pointer to the objc_msgSend type. 202164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType pToFunc = Context->getPointerType(msgSendType); 202264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr *ICE = 202364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 202464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE, 0, VK_RValue); 202564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 202664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 202764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 202864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Exp = 202964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) CallExpr(*Context, ICE, args, nargs, 203064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getCallResultType(*Context), 203164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, EndLoc); 203264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Exp; 203364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 203464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 203564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 203664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&startRef, const char *&endRef) { 203764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 203864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '<') 203964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startRef = startBuf; // mark the start. 204064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '>') { 204164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (startRef && *startRef == '<') { 204264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endRef = startBuf; // mark the end. 204364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 204464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 204564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 204664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 204764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 204864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 204964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 205064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 205164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 205264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 205364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int angle = 0; 205464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 205564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argRef == '<') 205664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle++; 205764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argRef == '>') 205864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian angle--; 205964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argRef++; 206064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 206164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 206264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 206364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 206464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::needToScanForQualifiers(QualType T) { 206564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCQualifiedIdType()) 206664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 206764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 206864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 206964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 207064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 207164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isObjCObjectPointerType()) { 207264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T = T->getPointeeType(); 207364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 207464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 207564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (T->isArrayType()) { 207664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 207764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return needToScanForQualifiers(ElemTy); 207864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 207964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 208064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 208164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 208264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 208364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = E->getType(); 208464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 208564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc, EndLoc; 208664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 208764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 208864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = ECE->getLParenLoc(); 208964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = ECE->getRParenLoc(); 209064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 209164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = E->getLocStart(); 209264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc = E->getLocEnd(); 209364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 209464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This will defend against trying to rewrite synthesized expressions. 209564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Loc.isInvalid() || EndLoc.isInvalid()) 209664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 209764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 209864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 209964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(EndLoc); 210064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 210164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 210264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 210364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-startBuf); 210464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-startBuf+1); 210564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 210664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 210764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 210864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 210964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 211064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 211164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 211264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 211364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Loc; 211464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type; 211564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = 0; 211664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 211764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = VD->getLocation(); 211864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = VD->getType(); 211964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 212064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 212164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 212264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 212364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 212464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 212564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(funcType && "missing function type"); 212664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian proto = dyn_cast<FunctionProtoType>(funcType); 212764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 212864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 212964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = proto->getResultType(); 213064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 213164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 213264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc = FD->getLocation(); 213364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Type = FD->getType(); 213464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 213564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 213664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 213764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 213864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(Type)) { 213964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 214064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 214164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(Loc); 214264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = endBuf; 214364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 214464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; // scan backward (from the decl location) for return type. 214564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 214664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 214764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 214864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = Loc.getLocWithOffset(startRef-endBuf); 214964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = Loc.getLocWithOffset(endRef-endBuf+1); 215064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 215164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 215264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 215364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 215564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 215664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; // most likely, was a variable 215764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now check arguments. 215864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 215964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startFuncBuf = startBuf; 216064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < proto->getNumArgs(); i++) { 216164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(proto->getArgType(i))) { 216264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since types are unique, we need to scan the buffer. 216364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 216464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 216564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan forward (from the decl location) for argument types. 216664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian scanToNextArgument(endBuf); 216764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startRef = 0, *endRef = 0; 216864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 216964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the locations of the startRef, endRef. 217064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LessLoc = 217164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(startRef-startFuncBuf); 217264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation GreaterLoc = 217364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Loc.getLocWithOffset(endRef-startFuncBuf+1); 217464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Comment out the protocol references. 217564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LessLoc, "/*"); 217664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(GreaterLoc, "*/"); 217764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 217864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = ++endBuf; 217964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 218064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 218164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If the function name is derived from a macro expansion, then the 218264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // argument buffer will not follow the name. Need to speak with Chris. 218364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf && *startBuf != ')' && *startBuf != ',') 218464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 218564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 218664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 218764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 218864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 218964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 219064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteTypeOfDecl(VarDecl *ND) { 219164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = ND->getType(); 219264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 219364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 219464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 219564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 219664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 219764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 219864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypePtr = QT->getAs<Type>(); 219964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 220064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 220164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // __typeof__(a) b,c,d; 220264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString(QT.getAsString(Context->getPrintingPolicy())); 220364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 220464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 220564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ND->getInit()) { 220664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 220764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += " " + Name + " = "; 220864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 220964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 221064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 221164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 221264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 221364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 221464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 221564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 221664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 221764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 221864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 221964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 222064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 222164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 222264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 222364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 222464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 222564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 222664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 222764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSelGetUidFunctionDecl() { 222864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 222964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 223064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 223164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getFuncType = 223264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 223364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 223464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 223564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 223664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidIdent, getFuncType, 0, 223764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 223864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 223964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 224064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 224164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteFunctionDecl(FunctionDecl *FD) { 224264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declared in <objc/objc.h> 224364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getIdentifier() && 224464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getName() == "sel_registerName") { 224564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelGetUidFunctionDecl = FD; 224664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 224764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 224864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 224964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 225064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 225164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 225264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 225364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 225464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strchr(argPtr, '^')) { 225564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += TypeString; 225664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 225764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 225864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 225964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 226064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 226164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 226264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 226364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 226464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 226564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerTypeVariable(std::string& Str, 226664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD) { 226764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = VD->getType(); 226864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString(Type.getAsString(Context->getPrintingPolicy())); 226964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = TypeString.c_str(); 227064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int paren = 0; 227164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr) { 227264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 227364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 227464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 227564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren++; 227664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 227764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 227864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 227964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian paren--; 228064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 228164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 228264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += '*'; 228364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (paren == 1) 228464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += VD->getNameAsString(); 228564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 228664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 228764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Str += *argPtr; 228864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 228964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 229064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; 229164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 229264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 229364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 229464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 229564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 229664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 229764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 229864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 229964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!proto) 230064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 230164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Type = proto->getResultType(); 230264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FdStr = Type.getAsString(Context->getPrintingPolicy()); 230364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += " "; 230464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += FD->getName(); 230564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += "("; 230664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 230764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 230864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType ArgType = proto->getArgType(i); 230964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 231064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (i+1 < numArgs) 231164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ", "; 231264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 231364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FdStr += ");\n"; 231464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, FdStr); 231564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 231664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 231764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 231864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 231964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthSuperContructorFunctionDecl() { 232064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperContructorFunctionDecl) 232164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 232264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 232364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 232464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 232564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 232664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 232764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 232864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 232964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 233064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 233164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 233364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 233464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 233564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 233664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 233764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 233864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 233964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFunctionDecl() { 234064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 234164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 234264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 234364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 234464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 234564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 234664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 234764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 234864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 234964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 235064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 235164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 235264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 235464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 235564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 235664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 235764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 235864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 235964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 236064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperFunctionDecl() { 236164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 236264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 236364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 236464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 236564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 236664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 236764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 236864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 236964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 237064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 237164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 237264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 237364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 237464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 237564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 237664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 237764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 237864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 237964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 238064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 238164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 238264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 238364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 238464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendStretFunctionDecl() { 238564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 238664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 238764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 238864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 238964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 239164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 239264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 239364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 239464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 239564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 239664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 239764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 239864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 239964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 240064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 240164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 240264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 240364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 240464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendSuperStretFunctionDecl - 240564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 240664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendSuperStretFunctionDecl() { 240764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = 240864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 240964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 241064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 241164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 241264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 241364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 241464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 241564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 241664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 241764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 241864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 241964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 242064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 242164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 242264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 242364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 242464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 242564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 242664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 242764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 242864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 242964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 243064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 243164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthMsgSendFpretFunctionDecl() { 243264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 243364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 243464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argT = Context->getObjCIdType(); 243564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 243664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 243764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argT = Context->getObjCSelType(); 243864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 243964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(argT); 244064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 244164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size(), 244264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true /*isVariadic*/); 244364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 244464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 244564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 244664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian msgSendIdent, msgSendType, 0, 244764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 244864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 244964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 245064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 245164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 245264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetClassFunctionDecl() { 245364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 245464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 245564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 245664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 245764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 245864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 245964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 246064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 246164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 246264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 246364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 246464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 246564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 246664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 246764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetSuperClassFunctionDecl() { 246864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 246964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 247064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 247164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 247264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 247364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 247464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 247564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 247664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 247764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSuperClassIdent, 247864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassType, 0, 247964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 248064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, 248164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 248264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 248364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 248464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// SynthGetMetaClassFunctionDecl - id objc_getMetaClass(const char *name); 248564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthGetMetaClassFunctionDecl() { 248664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 248764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 16> ArgTys; 248864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 248964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 249064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ArgTys[0], ArgTys.size()); 249164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 249264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 249364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 249464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getClassIdent, getClassType, 0, 249564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, 249664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false); 249764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 249864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 249964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 250064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType strType = getConstantStringStructType(); 250164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "__NSConstantStringImpl_"; 250364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 250464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string tmpName = InFileName; 250564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned i; 250664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (i=0; i < tmpName.length(); i++) { 250764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char c = tmpName.at(i); 250864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // replace any non alphanumeric characters with '_'. 250964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isalpha(c) && (c < '0' || c > '9')) 251064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian tmpName[i] = '_'; 251164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 251264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += tmpName; 251364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_"; 251464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(NumObjCStringLiterals++); 251564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 251664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "static __NSConstantStringImpl " + S; 251764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 251864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "0x000007c8,"; // utf8_str 251964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The pretty printer for StringLiteral handles escape characters properly. 252064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string prettyBufS; 252164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream prettyBuf(prettyBufS); 252264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getString()->printPretty(prettyBuf, *Context, 0, 252364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PrintingPolicy(LangOpts)); 252464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += prettyBuf.str(); 252564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += ","; 252664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 252764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 252864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 252964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), &Context->Idents.get(S), 253064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian strType, 0, SC_Static, SC_None); 253164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, strType, VK_LValue, 253264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 253364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 253464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 253564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 253664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 253764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // cast to NSConstantString * 253864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 253964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_CPointerToObjCPointerCast, Unop); 254064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, cast); 254164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 254264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return cast; 254364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 254464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 254564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 254664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getSuperStructType() { 254764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SuperStructDecl) { 254864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 254964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 255064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("objc_super")); 255164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[2]; 255264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 255464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 255564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_class *super; 255664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->getObjCClassType(); 255764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 255864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 255964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 2; ++i) { 256064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 256164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 256264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 256364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 256464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 256564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/false, 256664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 256764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 256864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 256964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperStructDecl->completeDefinition(); 257064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 257164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(SuperStructDecl); 257264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 257364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 257464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getConstantStringStructType() { 257564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ConstantStringDecl) { 257664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 257764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 257864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__NSConstantStringImpl")); 257964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FieldTypes[4]; 258064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 258164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_object *receiver; 258264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[0] = Context->getObjCIdType(); 258364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // int flags; 258464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[1] = Context->IntTy; 258564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // char *str; 258664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[2] = Context->getPointerType(Context->CharTy); 258764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // long length; 258864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[3] = Context->LongTy; 258964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 259064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create fields 259164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < 4; ++i) { 259264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 259364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl, 259464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 259564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 0, 259664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldTypes[i], 0, 259764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, 259864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*Mutable=*/true, 259964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false)); 260064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 260164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 260264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConstantStringDecl->completeDefinition(); 260364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 260464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTagDeclType(ConstantStringDecl); 260564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 260664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 260764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 260864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation StartLoc, 260964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation EndLoc) { 261064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!SelGetUidFunctionDecl) 261164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSelGetUidFunctionDecl(); 261264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFunctionDecl) 261364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFunctionDecl(); 261464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperFunctionDecl) 261564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperFunctionDecl(); 261664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendStretFunctionDecl) 261764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendStretFunctionDecl(); 261864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 261964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 262064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 262164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 262264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetClassFunctionDecl) 262364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetClassFunctionDecl(); 262464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetSuperClassFunctionDecl) 262564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 262664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!GetMetaClassFunctionDecl) 262764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthGetMetaClassFunctionDecl(); 262864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 262964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // default to objc_msgSend(). 263064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 263164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // May need to use objc_msgSend_stret() as well. 263264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 263364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 263464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType resultType = mDecl->getResultType(); 263564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (resultType->isRecordType()) 263664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 263764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (resultType->isRealFloatingType()) 263864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 263964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 264064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 264164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize a call to objc_msgSend(). 264264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> MsgExprs; 264364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (Exp->getReceiverKind()) { 264464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperClass: { 264564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 264664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 264764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 264864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 264964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 265164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 265364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 265464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set the receiver to self, the first argument to all methods. 265564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 265664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 265764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 265864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 265964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 266064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, 266164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())) 266264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 266364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 266464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 266564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 266664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 266764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 266864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 266964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 267064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 267164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 267264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 267364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 267464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 267564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 267664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 267764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 267864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 267964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 268064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 268164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 268264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 268364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 268464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 268564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 268664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 268764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 268864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( // set 'super class', using class_getSuperclass(). 268964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, 269064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 269164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 269264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 269364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 269464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 269564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 269664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 269764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 269864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 269964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 270064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 270164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 270264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 270364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 270464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 270564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 270664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 270764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 270864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 270964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 271064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 271164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 271264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 271364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 271464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 271564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 271664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 271764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 271864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 271964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 272064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 272164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 272264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 272364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 272464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 272564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 272664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 272764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 272864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 272964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ILE, false); 273064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super * 273164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 273264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 273364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 273464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 273564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 273664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 273764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 273864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 273964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 274064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Class: { 274164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 274264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 274364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *Class 274464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 274564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *clsName = Class->getIdentifier(); 274664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 274764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsName->getName(), 274864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 274964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 275064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 275164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 275264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 275364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 275464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(Cls); 275564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 275664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 275764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 275864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::SuperInstance:{ 275964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendFlavor = MsgSendSuperFunctionDecl; 276064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) 276164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 276264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 276364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 276464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 276564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 276664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 276764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 276864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 276964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 277064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCIdType(), 277164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, SourceLocation())) 277264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ); // set the 'receiver'. 277364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 277464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 277564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> ClsExprs; 277664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 277764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(StringLiteral::Create(*Context, 277864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassDecl->getIdentifier()->getName(), 277964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, argType, 278064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation())); 278164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 278264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], 278364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.size(), 278464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 278564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (Class)objc_getClass("CurrentClass") 278664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 278764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCClassType(), 278864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls); 278964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.clear(); 279064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClsExprs.push_back(ArgExpr); 279164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 279264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &ClsExprs[0], ClsExprs.size(), 279364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, EndLoc); 279464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 279564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 279664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // To turn off a warning, type-cast to 'id' 279764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back( 279864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // set 'super class', using class_getSuperclass(). 279964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 280064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Cls)); 280164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct objc_super 280264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType superType = getSuperStructType(); 280364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *SuperRep; 280464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 280564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 280664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthSuperContructorFunctionDecl(); 280764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 280864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 280964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, 281064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 281164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 281264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.size(), 281364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_LValue, SourceLocation()); 281464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // The code for super is a little tricky to prevent collision with 281564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the structure definition in the header. The rewriter has it's own 281664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // internal definition (__rw_objc_super) that is uses. This is why 281764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we need the cast below. For example: 281864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 281964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 282064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 282164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(SuperRep->getType()), 282264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 282364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 282464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = NoTypeInfoCStyleCastExpr(Context, 282564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(superType), 282664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, SuperRep); 282764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 282864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (struct objc_super) { <exprs from above> } 282964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitListExpr *ILE = 283064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) InitListExpr(*Context, SourceLocation(), 283164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &InitExprs[0], InitExprs.size(), 283264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 283364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *superTInfo 283464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(superType); 283564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 283664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian superType, VK_RValue, ILE, 283764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false); 283864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 283964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SuperRep); 284064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 284164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 284264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 284364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ObjCMessageExpr::Instance: { 284464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Remove all type-casts because it may contain objc-style types; e.g. 284564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Foo<Proto> *. 284664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *recExpr = Exp->getInstanceReceiver(); 284764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 284864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = CE->getSubExpr(); 284964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK = recExpr->getType()->isObjCObjectPointerType() 285064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BitCast : recExpr->getType()->isBlockPointerType() 285164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? CK_BlockPointerToObjCPointerCast 285264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : CK_CPointerToObjCPointerCast; 285364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 285464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 285564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, recExpr); 285664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(recExpr); 285764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 285864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 285964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 286064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 286164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a call to sel_registerName("selName"), it will be the 2nd argument. 286264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> SelExprs; 286364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType argType = Context->getPointerType(Context->CharTy); 286464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SelExprs.push_back(StringLiteral::Create(*Context, 286564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getSelector().getAsString(), 286664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringLiteral::Ascii, false, 286764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argType, SourceLocation())); 286864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 286964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &SelExprs[0], SelExprs.size(), 287064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StartLoc, 287164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 287264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(SelExp); 287364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 287464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now push any user supplied arguments. 287564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 287664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *userExpr = Exp->getArg(i); 287764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make all implicit casts explicit...ICE comes in handy:-) 287864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 287964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Reuse the ICE type, it is exactly what the doctor ordered. 288064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType type = ICE->getType(); 288164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (needToScanForQualifiers(type)) 288264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type = Context->getObjCIdType(); 288364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 288464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 288564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Expr *SubExpr = ICE->IgnoreParenImpCasts(); 288664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 288764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isIntegralType(*Context) && 288864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian type->isBooleanType()) { 288964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToBoolean; 289064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (type->isObjCObjectPointerType()) { 289164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SubExpr->getType()->isBlockPointerType()) { 289264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 289364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (SubExpr->getType()->isPointerType()) { 289464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 289564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 289664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 289764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 289864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 289964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 290064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 290264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK, userExpr); 290364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 290464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 290564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 290664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getType()->isObjCQualifiedIdType()) { 290764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 290864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = CE->getSubExpr(); 290964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastKind CK; 291064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (userExpr->getType()->isIntegralType(*Context)) { 291164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_IntegralToPointer; 291264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isBlockPointerType()) { 291364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BlockPointerToObjCPointerCast; 291464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (userExpr->getType()->isPointerType()) { 291564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_CPointerToObjCPointerCast; 291664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 291764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK = CK_BitCast; 291864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 291964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 292064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK, userExpr); 292164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 292264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 292364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.push_back(userExpr); 292464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We've transferred the ownership to MsgExprs. For now, we *don't* null 292564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // out the argument in the original expression (since we aren't deleting 292664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 292764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //Exp->setArg(i, 0); 292864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 292964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate the funky cast. 293064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *cast; 293164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 293264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType returnType; 293364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 293464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push 'id' and 'SEL', the 2 implicit arguments. 293564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendFlavor == MsgSendSuperFunctionDecl) 293664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 293764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 293864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCIdType()); 293964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(Context->getObjCSelType()); 294064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 294164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push any user argument types. 294264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 294364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = OMD->param_end(); PI != E; ++PI) { 294464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = (*PI)->getType()->isObjCQualifiedIdType() 294564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? Context->getObjCIdType() 294664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : (*PI)->getType(); 294764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 294864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 294964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 295064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Exp->getType(); 295264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(returnType); 295364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 295464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 295564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType = Context->getObjCIdType(); 295664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 295764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the type, we will need to reference it in a couple spots. 295864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType msgSendType = MsgSendFlavor->getType(); 295964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend() declaration. 296164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, msgSendType, 296264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 296364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 296464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 296564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't do this cast, we get the following bizarre warning/note: 296664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: warning: function called through a non-compatible type 296764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // xx.m:13: note: if this code is reached, the program will abort 296864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 296964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 297064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, DRE); 297164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 297264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 297364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castType = 297464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 297564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If we don't have a method decl, force a variadic cast. 297664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 297764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 297864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 297964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 298064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 298264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 298364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 298464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = msgSendType->getAs<FunctionType>(); 298564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 298664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 298764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 298864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian EndLoc); 298964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = CE; 299064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MsgSendStretFlavor) { 299164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have the method which returns a struct/union. Must also generate 299264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 299364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // expression which dictate which one to envoke depending on size of 299464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // method's return type. 299564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 299664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 299764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, msgSendType, 299864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, SourceLocation()); 299964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 300064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, 300164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidTy), 300264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, STDRE); 300364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the "normal" pointer to function cast. 300464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 300564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 300664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castType = Context->getPointerType(castType); 300764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 300864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast); 300964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 301164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 301264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT = msgSendType->getAs<FunctionType>(); 301464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 301564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MsgExprs.size(), 301664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FT->getResultType(), VK_RValue, 301764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 301864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 301964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build sizeof(returnType) 302064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryExprOrTypeTraitExpr *sizeofExpr = 302164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf, 302264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getTrivialTypeSourceInfo(returnType), 302364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getSizeType(), SourceLocation(), 302464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 302564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 302664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 302764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 302864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is needed to decide what to do. 302964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 303064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 303164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IntegerLiteral *limit = IntegerLiteral::Create(*Context, 303264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::APInt(IntSize, 8), 303364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, 303464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 303564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BinaryOperator *lessThanExpr = 303664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 303764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 303864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 303964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 304064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(lessThanExpr, 304164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), CE, 304264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), STCE, 304364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian returnType, VK_RValue, OK_Ordinary); 304464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 304564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CondExpr); 304664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 304764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 304864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 304964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 305064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 305164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 305264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 305364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getLocEnd()); 305464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 305564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the actual rewrite. 305664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, ReplacingStmt); 305764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 305864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 305964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return ReplacingStmt; 306064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 306164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 306264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// typedef struct objc_object Protocol; 306364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::getProtocolType() { 306464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ProtocolTypeDecl) { 306564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeSourceInfo *TInfo 306664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 306764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 306864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 306964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("Protocol"), 307064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TInfo); 307164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 307264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Context->getTypeDeclType(ProtocolTypeDecl); 307364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 307464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 307564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 307664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// a synthesized/forward data reference (to the protocol's metadata). 307764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// The forward references (and metadata) are generated in 307864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteModernObjC::HandleTranslationUnit(). 307964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 308064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString(); 308164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(Name); 308264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 308364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, getProtocolType(), 0, 308464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Extern, SC_None); 308564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, getProtocolType(), VK_LValue, 308664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 308764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 308864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(DRE->getType()), 308964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 309064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 309164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 309264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DerefExpr); 309364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(Exp, castExpr); 309464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.insert(Exp->getProtocol()->getCanonicalDecl()); 309564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 309664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return castExpr; 309764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 309864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 309964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 310064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::BufferContainsPPDirectives(const char *startBuf, 310164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf) { 310264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (startBuf < endBuf) { 310364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '#') { 310464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Skip whitespace. 310564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 310664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ; 310764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(startBuf, "if", strlen("if")) || 310864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifdef", strlen("ifdef")) || 310964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "ifndef", strlen("ifndef")) || 311064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "define", strlen("define")) || 311164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "undef", strlen("undef")) || 311264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "else", strlen("else")) || 311364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "elif", strlen("elif")) || 311464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "endif", strlen("endif")) || 311564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "pragma", strlen("pragma")) || 311664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include", strlen("include")) || 311764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "import", strlen("import")) || 311864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(startBuf, "include_next", strlen("include_next"))) 311964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 312064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 312264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 312364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 312464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 312564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 312664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCInternalStruct - Rewrite one internal struct corresponding to 312764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// an objective-c class with ivars. 312864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCInternalStruct(ObjCInterfaceDecl *CDecl, 312964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 313064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 313164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CDecl->getName() != "" && 313264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "Name missing in SynthesizeObjCInternalStruct"); 313364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Do not synthesize more than once. 313464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedStructs.count(CDecl)) 313564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 313664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 313764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int NumIvars = CDecl->ivar_size(); 313864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 313964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CDecl->getEndOfDefinitionLoc(); 314064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 314164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 314264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 314364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 314464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 314564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 314664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((!CDecl->isThisDeclarationADefinition() || NumIvars == 0) && 314764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 314864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 314964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 315064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 315164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 315264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 315364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This has potential of causing problem. If 315464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // SynthesizeObjCInternalStruct is ever called recursively. 315564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct "; 315664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 315764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 315864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 315964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 316064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (NumIvars > 0) { 316164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *cursor = strchr(startBuf, '{'); 316264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((cursor && endBuf) 316364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian && "SynthesizeObjCInternalStruct - malformed @interface"); 316464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If the buffer contains preprocessor directives, we do more fine-grained 316564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewrites. This is intended to fix code that looks like (which occurs in 316664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NSURL.h, for example): 316764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 316864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #ifdef XYZ 316964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @interface Foo : NSObject 317064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #else 317164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @interface FooBar : NSObject 317264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // #endif 317364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // { 317464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // int i; 317564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // } 317664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @end 317764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 317864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This clause is segregated to avoid breaking the common case. 317964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BufferContainsPPDirectives(startBuf, cursor)) { 318064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation L = RCDecl ? CDecl->getSuperClassLoc() : 318164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CDecl->getAtStartLoc(); 318264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endHeader = SM->getCharacterData(L); 318364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endHeader += Lexer::MeasureTokenLength(L, *SM, LangOpts); 318464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 318564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->protocol_begin() != CDecl->protocol_end()) { 318664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance to the end of the referenced protocols. 318764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (endHeader < cursor && *endHeader != '>') endHeader++; 318864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endHeader++; 318964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 319064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewrite the original header 319164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endHeader-startBuf, Result); 319264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 319364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // rewrite the original header *without* disturbing the '{' 319464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, cursor-startBuf, Result); 319564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 319664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 319764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result = "\n struct "; 319864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += RCDecl->getNameAsString(); 319964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL "; 320064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += RCDecl->getNameAsString(); 320164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IVARS;\n"; 320264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 320364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // insert the super class structure definition. 320464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation OnePastCurly = 320564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart.getLocWithOffset(cursor-startBuf+1); 320664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(OnePastCurly, Result); 320764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 320864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cursor++; // past '{' 320964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 321064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now comment out any visibility specifiers. 321164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (cursor < endBuf) { 321264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*cursor == '@') { 321364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation atLoc = LocStart.getLocWithOffset(cursor-startBuf); 321464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Skip whitespace. 321564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++cursor; cursor[0] == ' ' || cursor[0] == '\t'; ++cursor) 321664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*scan*/; 321764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 321864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: presence of @public, etc. inside comment results in 321964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // this transformation as well, which is still correct c-code. 322064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!strncmp(cursor, "public", strlen("public")) || 322164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(cursor, "private", strlen("private")) || 322264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(cursor, "package", strlen("package")) || 322364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !strncmp(cursor, "protected", strlen("protected"))) 322464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(atLoc, "// "); 322564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 322664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If there are cases where '<' is used in ivar declaration part 322764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // of user code, then scan the ivar list and use needToScanForQualifiers 322864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for type checking. 322964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*cursor == '<') { 323064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation atLoc = LocStart.getLocWithOffset(cursor-startBuf); 323164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(atLoc, "/* "); 323264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cursor = strchr(cursor, '>'); 323364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cursor++; 323464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian atLoc = LocStart.getLocWithOffset(cursor-startBuf); 323564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(atLoc, " */"); 323664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (*cursor == '^') { // rewrite block specifier. 323764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation caretLoc = LocStart.getLocWithOffset(cursor-startBuf); 323864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(caretLoc, 1, "*"); 323964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 324064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cursor++; 324164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 324264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget to add a ';'!! 324364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(LocEnd.getLocWithOffset(1), ";"); 324464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { // we don't have any instance variables - insert super struct. 324564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 324664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " {\n struct "; 324764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += RCDecl->getNameAsString(); 324864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL "; 324964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += RCDecl->getNameAsString(); 325064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IVARS;\n};\n"; 325164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf, Result); 325264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 325364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this struct as having been generated. 325464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedStructs.insert(CDecl)) 325564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("struct already synthesize- SynthesizeObjCInternalStruct"); 325664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 325764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 325864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 325964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Meta Data Emission 326064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 326164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 326264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 326364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 326464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// and emits meta-data. 326564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 326664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteImplementations() { 326764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 326864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 326964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 327064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite implemented methods 327164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 327264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementationDecl(ClassImplementation[i]); 327364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 327464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 327564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementationDecl(CategoryImplementation[i]); 327664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 327764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 327864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefString(std::string &ResultStr, 327964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Name, 328064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD, bool def) { 328164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 328264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 328364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (def) 328464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "struct "; 328564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 328664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 328764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 328864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 328964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 329064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 329164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 329264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 329364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 329464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 329564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 329664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 329764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 329864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *AFT = CE->getFunctionType(); 329964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType RT = AFT->getResultType(); 330064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 330164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static " + RT.getAsString(Context->getPrintingPolicy()) + " __" + 330264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian funcName.str() + "_" + "block_func_" + utostr(i); 330364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 330464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDecl *BD = CE->getBlockDecl(); 330564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 330664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<FunctionNoProtoType>(AFT)) { 330764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // No user-supplied arguments. Still need to pass in a pointer to the 330864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block (to reference imported block decl refs). 330964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 331064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (BD->param_empty()) { 331164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef + " *__cself)"; 331264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 331364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 331464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "SynthesizeBlockFunc: No function proto"); 331564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += '('; 331664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // first add the implicit argument. 331764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += StructRef + " *__cself, "; 331864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ParamStr; 331964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::param_iterator AI = BD->param_begin(), 332064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BD->param_end(); AI != E; ++AI) { 332164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (AI != BD->param_begin()) S += ", "; 332264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParamStr = (*AI)->getNameAsString(); 332364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*AI)->getType(); 332464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 332564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 332664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 332764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->getPrintingPolicy()); 332864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ParamStr; 332964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 333064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FT->isVariadic()) { 333164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BD->param_empty()) S += ", "; 333264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "..."; 333364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 333464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ')'; 333564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 333664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n"; 333764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 333864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Create local declarations to avoid rewriting all closure decl ref exprs. 333964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // First, emit a declaration for all "by ref" decls. 334064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 334164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 334264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 334364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 334464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 334564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 334664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 334764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = TypeString + Name; 334864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 334964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 335064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Next, emit a declaration for all "by copy" declarations. 335164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 335264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 335364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 335464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 335564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 335664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedClosure)(void); 335764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 335864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 335964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherClosure)(void); 336064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherClosure = ^(void) { 336164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedClosure(); // import and invoke the closure 336264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 336364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 336464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 336564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 336664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " = ("; 336764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 336864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ")"; 336964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 337064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 337164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 337264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 337364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 337464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 337564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 337664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(Name, Context->getPrintingPolicy()); 337764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Name + " = __cself->" + 337864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 337964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 338064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 338164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RewrittenStr = RewrittenBlockExprs[CE]; 338264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *cstr = RewrittenStr.c_str(); 338364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*cstr++ != '{') ; 338464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += cstr; 338564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\n"; 338664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 338764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 338864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 338964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 339064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef funcName, 339164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag) { 339264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string StructRef = "struct " + Tag; 339364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "static void __"; 339464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 339564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 339664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_copy_" + utostr(i); 339764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 339864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*dst, " + StructRef; 339964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 340064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 340164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 340264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 340364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_assign((void*)&dst->"; 340464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 340564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", (void*)src->"; 340664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 340764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 340864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 340964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 341064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 341164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 341264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 341364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 341464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 341564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 341664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "\nstatic void __"; 341764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += funcName; 341864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_block_dispose_" + utostr(i); 341964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(" + StructRef; 342064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "*src) {"; 342164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 342264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ImportedBlockDecls.end(); I != E; ++I) { 342364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = (*I); 342464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "_Block_object_dispose((void*)src->"; 342564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += (*I)->getNameAsString(); 342664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 342764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 342864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isBlockPointerType()) 342964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BLOCK) + "/*BLOCK_FIELD_IS_BLOCK*/);"; 343064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 343164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 343264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 343364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "}\n"; 343464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 343564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 343664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 343764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 343864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Desc) { 343964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstruct " + Tag; 344064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Constructor = " " + Tag; 344164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 344264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n struct __block_impl impl;\n"; 344364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " struct " + Desc; 344464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "* Desc;\n"; 344564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 344664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "(void *fp, "; // Invoke function pointer. 344764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "struct " + Desc; // Descriptor pointer. 344864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " *desc"; 344964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 345064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 345164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 345264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 345364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 345464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 345564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 345664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 345764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle nested closure invocation. For example: 345864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 345964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^myImportedBlock)(void); 346064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 346164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 346264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void (^anotherBlock)(void); 346364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // anotherBlock = ^(void) { 346464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // myImportedBlock(); // import and invoke the closure 346564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // }; 346664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 346764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 346864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "struct __block_impl *"; 346964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", void *" + ArgName; 347064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 347164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 347264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 347364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 347464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->getPrintingPolicy()); 347564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->getPrintingPolicy()); 347664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 347764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 347864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + ";\n"; 347964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 348064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 348164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 348264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 348364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " "; 348464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FieldName = (*I)->getNameAsString(); 348564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ArgName = "_" + FieldName; 348664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 348764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeString; 348864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 348964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeString += " *"; 349064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldName = TypeString + FieldName; 349164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgName = TypeString + ArgName; 349264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", " + ArgName; 349364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 349464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += FieldName + "; // by ref\n"; 349564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 349664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 349764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0)"; 349864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by copy" arguments. 349964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool firsTime = true; 350064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 350164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 350264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 350364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 350464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 350564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 350664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 350764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 350864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 350964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 351064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 351164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 351264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 351364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 351464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize all "by ref" arguments. 351564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 351664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 351764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name = (*I)->getNameAsString(); 351864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (firsTime) { 351964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " : "; 352064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian firsTime = false; 352164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 352264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 352364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", "; 352464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 352564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 352664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 352764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " {\n"; 352864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 352964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 353064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 353164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 353264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 353364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 353464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 353564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 353664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Finish writing the constructor. 353764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += ", int flags=0) {\n"; 353864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl) 353964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 354064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 354164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 354264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 354364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " Desc = desc;\n"; 354464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 354564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += " "; 354664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Constructor += "}\n"; 354764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += Constructor; 354864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 354964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 355064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 355164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 355264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeBlockDescriptor(std::string DescTag, 355364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag, int i, 355464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName, 355564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned hasCopy) { 355664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S = "\nstatic struct " + DescTag; 355764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 355864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " {\n unsigned long reserved;\n"; 355964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " unsigned long Block_size;\n"; 356064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 356164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*copy)(struct "; 356264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*, struct "; 356364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 356464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 356564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " void (*dispose)(struct "; 356664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag; S += "*);\n"; 356764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 356864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "} "; 356964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 357064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += DescTag + "_DATA = { 0, sizeof(struct "; 357164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ImplTag + ")"; 357264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (hasCopy) { 357364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 357464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 357564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 357664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "};\n"; 357764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 357864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 357964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 358064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 358164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FunName) { 358264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is used. 358364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 358464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 358564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool RewriteSC = (GlobalVarDecl && 358664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !Blocks.empty() && 358764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getStorageClass() == SC_Static && 358864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 358964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 359064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC(" void __"); 359164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 359264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "() {}"; 359364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 359464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 359564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 359664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert closures that were part of the function. 359764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 359864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 359964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 360064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block. 360164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 360264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefExpr *Exp = InnerDeclRefs[count++]; 360364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 360464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 360564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 360664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 360764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 360864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 360964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 361064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 361164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 361264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 361364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // imported objects in the inner blocks not used in the outer 361464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 361564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Exp->isByRef() || 361664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isObjCObjectPointerType() || 361764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD->getType()->isBlockPointerType()) 361864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(VD); 361964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 362064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 362264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 362364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 362564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CI); 362764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 362864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 362964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 363064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, CF); 363164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 363264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 363364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 363464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 363564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 363664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 363764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.size() > 0); 363864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, BD); 363964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 364064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 364164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 364264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 364364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 364464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 364564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 364664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 364764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RewriteSC) { 364864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 364964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // removed as result of rewriting of block literals. 365064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SC; 365164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getStorageClass() == SC_Static) 365264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC = "static "; 365364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 365464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "const "; 365564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 365664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "volatile "; 365764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 365864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC += "restrict "; 365964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, SC); 366064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 366164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.clear(); 366364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.clear(); 366464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.clear(); 366564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs.clear(); 366664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 366764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 366864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 366964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 367064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef FuncName = FD->getName(); 367164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 367264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 367364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 367464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 367564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 367664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD) { 367764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 367864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = IFace->getName(); 367964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 368064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Convert colons to underscores. 368164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string::size_type loc = 0; 368264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 368364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name.replace(loc, 1, "_"); 368464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 368564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 368664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 368764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 368864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //SourceLocation FunLocStart = MD->getLocStart(); 368964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 369064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 369164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 369264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(FunLocStart, FuncName); 369364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 369464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 369564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetBlockDeclRefExprs(Stmt *S) { 369664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 369764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 369864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 369964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(CBE->getBody()); 370064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 370164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(*CI); 370264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 370364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 370464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 370564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Handle enums. 370664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl())) 370764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(CDRE); 370864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 370964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 371064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(DRE->getDecl())) { 371164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefExpr *BDRE = 371264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context)BlockDeclRefExpr(cast<VarDecl>(DRE->getDecl()), 371364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getType(), 371464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, DRE->getLocation(), false); 371564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(BDRE); 371664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 371764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 371864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 371964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 372064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 372164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetInnerBlockDeclRefExprs(Stmt *S, 372264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 372364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 372464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 372564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 372664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 372764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 372864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 372964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 373064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 373164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 373264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 373364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 373464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, 373564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts); 373664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 373764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 373864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 373964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 374064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl()) && 374164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian !InnerContexts.count(CDRE->getDecl()->getDeclContext())) 374264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs.push_back(CDRE); 374364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 374464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 374564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 374664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Var->isFunctionOrMethodVarDecl()) 374764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.insert(Var); 374864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 374964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 375164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 375264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 375364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 375464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 375564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// might be block pointers to an equivalent function type replacing 375664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// all block pointers to function pointers. 375764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianQualType RewriteModernObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 375864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 375964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 376064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 376164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 376264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Res = FT->getResultType(); 376364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool HasBlockType = convertBlockPointerToFunctionPointer(Res); 376464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 376564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 376664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 376764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 376864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 376964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 377064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (convertBlockPointerToFunctionPointer(t)) 377164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian HasBlockType = true; 377264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 377364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 377464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 377564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FuncType; 377664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Does this work if block takes no argument but has a return type 377764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // which is of block type? 377864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasBlockType) 377964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 378064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else FuncType = QualType(FT, 0); 378164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FuncType; 378264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 378364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 378464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 378564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Navigate to relevant type information. 378664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *CPT = 0; 378764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 378864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 378964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = DRE->getType()->getAs<BlockPointerType>(); 379064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const BlockDeclRefExpr *CDRE = 379164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BlockDeclRefExpr>(BlockExp)) { 379264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = CDRE->getType()->getAs<BlockPointerType>(); 379364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 379464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = MExpr->getType()->getAs<BlockPointerType>(); 379564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 379664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 379764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 379864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 379964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 380064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 380164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (const ConditionalOperator *CEXPR = 380264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 380364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 380464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 380564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 380664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 380764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 380864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ConditionalOperator *CondExpr = 380964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) ConditionalOperator(CONDExp, 381064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 381164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 381264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, OK_Ordinary); 381364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CondExpr; 381464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 381564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 381664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (const PseudoObjectExpr *POE 381764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = dyn_cast<PseudoObjectExpr>(BlockExp)) { 381864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CPT = POE->getType()->castAs<BlockPointerType>(); 381964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 382064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(1 && "RewriteBlockClass: Bad type"); 382164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 382264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CPT && "RewriteBlockClass: Bad type"); 382364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 382464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(FT && "RewriteBlockClass: Bad type"); 382564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 382664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FTP will be null for closures that don't take arguments. 382764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 382864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 382964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 383064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__block_impl")); 383164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 383264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Generate a funky cast. 383464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<QualType, 8> ArgTypes; 383564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 383664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Push the block argument type. 383764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(PtrBlock); 383864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 383964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 384064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 384164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType t = *I; 384264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 384364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 384464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian convertToUnqualifiedObjCType(t); 384564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ArgTypes.push_back(t); 384664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 384764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 384864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now do the pointer to function cast. 384964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType PtrToFuncCastType 385064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 385164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 385264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 385364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 385464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 385564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 385664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const_cast<Expr*>(BlockExp)); 385764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 385864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 385964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkCast); 386064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //PE->dump(); 386164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 386264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 386364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 386464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("FuncPtr"), 386564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 386664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 386764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 386864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 386964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 387064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 387164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 387264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 387364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 387464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, ME); 387564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 387664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 387764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 8> BlkExprs; 387864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the implicit argument. 387964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(BlkCast); 388064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add the user arguments. 388164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CallExpr::arg_iterator I = Exp->arg_begin(), 388264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = Exp->arg_end(); I != E; ++I) { 388364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.push_back(*I); 388464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 388564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 388664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlkExprs.size(), 388764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp->getType(), VK_RValue, 388864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 388964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CE; 389064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 389164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 389264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// We need to return the rewritten expression to handle cases where the 389364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// BlockDeclRefExpr is embedded in another expression being rewritten. 389464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// For example: 389564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 389664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// int main() { 389764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block Foo *f; 389864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// __block int i; 389964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 390064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// void (^myblock)() = ^() { 390164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// [f test]; // f is a BlockDeclRefExpr embedded in a message (which is being rewritten). 390264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// i = 77; 390364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// }; 390464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//} 390564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteBlockDeclRefExpr(Expr *DeclRefExp) { 390664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 390764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 390864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD; 390964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isArrow = true; 391064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(DeclRefExp)) 391164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD = BDRE->getDecl(); 391264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 391364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VD = cast<DeclRefExpr>(DeclRefExp)->getDecl(); 391464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isArrow = false; 391564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 391664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 391764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 391864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), 391964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get("__forwarding"), 392064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 392164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 392264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 392364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 392464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD, SourceLocation(), 392564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType(), VK_LValue, 392664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary); 392764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 392864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef Name = VD->getName(); 392964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 393064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(Name), 393164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 393264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true, 393364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /*HasInit=*/false); 393464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 393564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getType(), VK_LValue, OK_Ordinary); 393664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 393964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 394064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(), 394164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExp->getExprLoc(), 394264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ME); 394364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DeclRefExp, PE); 394464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 394564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 394664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 394764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Rewrites the imported local variable V with external storage 394864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// (static, extern, etc.) as *V 394964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// 395064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 395164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 395264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 395364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 395464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return DRE; 395564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 395664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary, 395764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DRE->getLocation()); 395864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need parens to enforce precedence. 395964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 396064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp); 396164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(DRE, PE); 396264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return PE; 396364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 396464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 396564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteCastExpr(CStyleCastExpr *CE) { 396664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocStart = CE->getLParenLoc(); 396764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation LocEnd = CE->getRParenLoc(); 396864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 396964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite synthesized casts. 397064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LocStart.isInvalid()) 397164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 397264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to avoid trying to rewrite casts contained in macros. 397364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 397464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 397564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 397664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 397764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 397864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = CE->getType(); 397964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 398064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 398164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 398264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 398364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TypeAsString = "("; 398464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 398564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian TypeAsString += ")"; 398664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 398764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 398864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 398964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 399064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startBuf; 399164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 399264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && (argPtr < endBuf)) { 399364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 399464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 399564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 399664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LocStart = LocStart.getLocWithOffset(argPtr-startBuf); 399764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(LocStart, 1, "*"); 399864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 399964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 400064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 400164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 400264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 400364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 400464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 400564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = FD->getLocation(); 400664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 0; 400764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 400864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We have 1 or more arguments that have closure pointers. 400964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 401064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startArgList = strchr(startBuf, '('); 401164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 401364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 401564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // advance the location to startArgList. 401664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(startArgList-startBuf); 401764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 401864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 401964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = startArgList; 402064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 402164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr++ && parenCount) { 402264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 402364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '^': 402464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*'. 402564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = DeclLoc.getLocWithOffset(argPtr-startArgList); 402664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, 1, "*"); 402764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 402864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': 402964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount++; 403064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 403164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': 403264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian parenCount--; 403364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 403464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 403564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 403664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 403764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 403864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 403964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 404064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 404164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 404264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 404364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 404464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 404564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 404664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 404764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 404864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 404964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 405064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 405164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) 405264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(*I)) 405364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 405464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 405564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 405664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 405764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 405864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 405964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const FunctionProtoType *FTP; 406064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 406164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PT) { 406264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 406364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 406464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 406564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 406664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 406764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 406864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FTP) { 406964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 407064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 407164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 407264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 407364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 407464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 407564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return true; 407664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 407764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 407864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 407964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 408064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 408164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 408364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *&RParen) { 408464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argPtr = strchr(Name, '('); 408564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 408664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 408764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian LParen = argPtr; // output the start. 408864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argPtr++; // skip past the left paren. 408964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned parenCount = 1; 409064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 409164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argPtr && parenCount) { 409264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (*argPtr) { 409364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case '(': parenCount++; break; 409464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case ')': parenCount--; break; 409564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: break; 409664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 409764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (parenCount) argPtr++; 409864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 409964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 410064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RParen = argPtr; // output the end 410164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 410264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 410364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 410464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 410564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerFunctionArgs(FD); 410664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 410764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 410864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle Variables and Typedefs. 410964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getLocation(); 411064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType DeclT; 411164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 411264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = VD->getType(); 411364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND)) 411464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = TDD->getUnderlyingType(); 411564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 411664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclT = FD->getType(); 411764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 411864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("RewriteBlockPointerDecl(): Decl type not yet handled"); 411964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 412064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 412164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = startBuf; 412264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scan backward (from the decl location) for the end of the previous decl. 412364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 412464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf--; 412564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation Start = DeclLoc.getLocWithOffset(startBuf-endBuf); 412664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string buf; 412764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned OrigLength=0; 412864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // *startBuf != '^' if we are dealing with a pointer to function that 412964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // may take block argument types (which will be handled below). 413064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*startBuf == '^') { 413164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*', computing a negative offset. 413264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf = '*'; 413364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 413464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 413564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 413664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*startBuf != ')') { 413764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *startBuf; 413864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf++; 413964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 414064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 414164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 414264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 414364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 414464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 414564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 414664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the '^' with '*' for arguments. 414764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace id<P> with id/*<>*/ 414864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 414964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startBuf = SM->getCharacterData(DeclLoc); 415064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *argListBegin, *argListEnd; 415164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetExtentOfArgList(startBuf, argListBegin, argListEnd); 415264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (argListBegin < argListEnd) { 415364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*argListBegin == '^') 415464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += '*'; 415564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (*argListBegin == '<') { 415664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "/*"; 415764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 415864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++;; 415964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (*argListBegin != '>') { 416064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin++; 416164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 416264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 416364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 416464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += "*/"; 416564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 416664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 416764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += *argListBegin; 416864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian argListBegin++; 416964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 417064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian buf += ')'; 417264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigLength++; 417364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 417464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 417564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 417764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 417864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 417964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 418064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 418164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 418264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct Block_byref_id_object *src) { 418364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 418464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 418564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 418664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 418764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 418864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 418964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 419064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// And: 419164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 419264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 419364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 419464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 419564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// _Block_object_dispose(_src->object, 419664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 419764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 419864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 419964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 420064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstd::string RewriteModernObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 420164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag) { 420264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string S; 420364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CopyDestroyCache.count(flag)) 420464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 420564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CopyDestroyCache.insert(flag); 420664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 420764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 420864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *dst, void *src) {\n"; 420964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 421064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // offset into the object pointer is computed as: 421164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void * + void* + int + int + void* + void * 421264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 421364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 421464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned VoidPtrSize = 421564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 421664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 421764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/Context->getCharWidth(); 421864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 421964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 422064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 422164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 422264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 422364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 422464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 422564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 422664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 422764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 422864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "(void *src) {\n"; 422964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 423064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(offset); 423164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += "), "; 423264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += utostr(flag); 423364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian S += ");\n}\n"; 423464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 423564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 423664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 423764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 423864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// the declaration into: 423964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND { 424064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 424164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND *__forwarding; 424264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __flags; 424364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// int32_t __size; 424464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 424564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 424664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// typex ND; 424764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// }; 424864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 424964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// It then replaces declaration of ND variable with: 425064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 425164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 425264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ND=initializer-if-any}; 425364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 425464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// 425564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteByRefVar(VarDecl *ND) { 425664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert declaration for the function in which block literal is 425764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // used. 425864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 425964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 426064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = 0; 426164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int isa = 0; 426264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 426364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclLoc.isInvalid()) 426464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 426564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Use variable's location which is good for this case. 426664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclLoc = ND->getLocation(); 426764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 426864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation X = ND->getLocEnd(); 426964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian X = SM->getExpansionLoc(X); 427064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(X); 427164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 427264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ByrefType; 427364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 427464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " {\n"; 427564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void *__isa;\n"; 427664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 427764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " *__forwarding;\n"; 427864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __flags;\n"; 427964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " int __size;\n"; 428064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 428164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 428264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 428364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 428464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 428564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 428664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 428764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 428864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 428964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType T = Ty; 429064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(T); 429164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian T.getAsStringInternal(Name, Context->getPrintingPolicy()); 429264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 429364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + ";\n"; 429464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 429564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Insert this type in global scope. It is needed by helper function. 429664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation FunLocStart; 429764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 429864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 429964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 430064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 430164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 430264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 430364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, ByrefType); 430464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty.isObjCGCWeak()) { 430564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 430664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa = 1; 430764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 430864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 430964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 431064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 431164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType Ty = ND->getType(); 431264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 431364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType()) 431464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 431564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 431664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 431764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 431864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!HF.empty()) 431964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(FunLocStart, HF); 432064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 432164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 432264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // struct __Block_byref_ND ND = 432364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 432464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // initializer-if-any}; 432564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool hasInit = (ND->getInit() != 0); 432664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned flags = 0; 432764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) 432864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 432964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Name = ND->getNameAsString(); 433064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType.clear(); 433164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 433264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ForwardingCastType("("); 433364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ForwardingCastType += ByrefType + " *)"; 433464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!hasInit) { 433564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 433664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 433764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 433864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 433964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 434064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 434164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 434264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ")"; 434364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 434464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 434564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 434664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 434764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 434864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 434964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "};\n"; 435064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned nameSize = Name.size(); 435164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for block or function pointer declaration. Name is aleady 435264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // part of the declaration. 435364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Ty->isBlockPointerType() || Ty->isFunctionPointerType()) 435464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian nameSize = 1; 435564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType); 435664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 435764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 435864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc; 435964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *E = ND->getInit(); 436064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 436164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = ECE->getLParenLoc(); 436264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 436364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = E->getLocStart(); 436464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc = SM->getExpansionLoc(startLoc); 436564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 436664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " " + Name; 436764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += " = {(void*)"; 436864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(isa); 436964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 437064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flags); 437164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 437264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "sizeof("; 437364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 437464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "), "; 437564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasCopyAndDispose) { 437664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 437764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 437864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 437964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += utostr(flag); 438064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ByrefType += ", "; 438164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 438264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 438364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 438464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Complete the newly synthesized compound expression by inserting a right 438564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // curly brace before the end of the declaration. 438664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: This approach avoids rewriting the initializer expression. It 438764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // also assumes there is only one declarator. For example, the following 438864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // isn't currently supported by this routine (in general): 438964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 439064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 439164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 439264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 439364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 439464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 439564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation semiLoc = 439664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian startLoc.getLocWithOffset(semiBuf-startInitializerBuf); 439764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 439864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(semiLoc, "}"); 439964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 440064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 440164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 440264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 440364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 440464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 440564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetBlockDeclRefExprs(Exp->getBody()); 440664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 440764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by copy" declarations. 440864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 440964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockDeclRefs[i]->isByRef()) { 441064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 441164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 441264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 441364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 441464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 441564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Unique all "by ref" declarations. 441664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 441764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs[i]->isByRef()) { 441864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 441964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 442064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 442164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 442364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 442464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 442564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs[i]->isByRef() || 442664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 442764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 442864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 442964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 443064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 443164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 443264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianFunctionDecl *RewriteModernObjC::SynthBlockInitFunctionDecl(StringRef name) { 443364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *ID = &Context->Idents.get(name); 443464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 443564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return FunctionDecl::Create(*Context, TUDecl, SourceLocation(), 443664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), ID, FType, 0, SC_Extern, 443764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_None, false, false); 443864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 443964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::SynthBlockInitExpr(BlockExpr *Exp, 444164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs) { 444264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const BlockDecl *block = Exp->getBlockDecl(); 444364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Blocks.push_back(Exp); 444464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CollectBlockDeclRefInfo(Exp); 444664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 444764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add inner imported variables now used in current block. 444864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int countOfInnerDecls = 0; 444964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 445064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 445164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefExpr *Exp = InnerBlockDeclRefs[i]; 445264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = Exp->getDecl(); 445364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 445464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // We need to save the copied-in variables in nested 445564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // blocks because it is needed at the end for some of the API generations. 445664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // See SynthesizeBlockLiterals routine. 445764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 445864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 445964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 446064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.push_back(VD); 446164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 446264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 446364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 446464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.push_back(Exp); 446564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 446664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.push_back(VD); 446764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 446864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 446964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find any imported blocks...they will need special attention. 447064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 447164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (InnerBlockDeclRefs[i]->isByRef() || 447264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 447364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 447464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 447564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 447664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 447764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 447864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FuncName; 447964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurFunctionDef) 448164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = CurFunctionDef->getNameAsString(); 448264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (CurMethodDef) 448364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 448464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (GlobalVarDecl) 448564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FuncName = std::string(GlobalVarDecl->getNameAsString()); 448664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string BlockNumber = utostr(Blocks.size()-1); 448864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 448964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber; 449064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 449164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 449264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get a pointer to the function type so we can cast appropriately. 449364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 449464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 449564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 449664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD; 449764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *NewRep; 449864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 449964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Simulate a contructor call... 450064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Tag); 450164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, FType, VK_RValue, 450264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 450364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<Expr*, 4> InitExprs; 450564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 450664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block function. 450764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl(Func); 450864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 450964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 451064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 451164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 451264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(castExpr); 451364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 451464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Initialize the block descriptor. 451564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 451664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 451764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, 451864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 451964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian &Context->Idents.get(DescData.c_str()), 452064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 0, 452164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SC_Static, SC_None); 452264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UnaryOperator *DescRefExpr = 452364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, 452464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->VoidPtrTy, 452564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, 452664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()), 452764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian UO_AddrOf, 452864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Context->VoidPtrTy), 452964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, 453064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 453164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(DescRefExpr); 453264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 453364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add initializers for any closure decl refs. 453464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefs.size()) { 453564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Exp; 453664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by copy" declarations. 453764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 453864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByCopyDecls.end(); I != E; ++I) { 453964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isObjCType((*I)->getType())) { 454064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Conform to ABI ([[obj retain] autorelease]). 454164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 454264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 454364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 454464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 454564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 454664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 454764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 454864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 454964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 455064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (isTopLevelBlockPointerType((*I)->getType())) { 455164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 455264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 455364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 455464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 455564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, Arg); 455664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 455764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 455864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 455964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 456064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 456164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType QT = (*I)->getType(); 456264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QT = Context->getPointerType(QT); 456364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 456464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OK_Ordinary, SourceLocation()); 456564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 456764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 456864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 456964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 457064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output all "by ref" declarations. 457164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 457264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = BlockByRefDecls.end(); I != E; ++I) { 457364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *ND = (*I); 457464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Name(ND->getNameAsString()); 457564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName; 457664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 457764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 457864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian + sizeof("struct")); 457964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 458064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 458164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 458264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 458364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 458464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 458564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD = SynthBlockInitFunctionDecl((*I)->getName()); 458664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 458764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 458864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool isNestedCapturedVar = false; 458964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (block) 459064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (BlockDecl::capture_const_iterator ci = block->capture_begin(), 459164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ce = block->capture_end(); ci != ce; ++ci) { 459264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const VarDecl *variable = ci->getVariable(); 459364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (variable == ND && ci->isNested()) { 459464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert (ci->isByRef() && 459564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "SynthBlockInitExpr - captured block variable is not byref"); 459664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isNestedCapturedVar = true; 459764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 459864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 459964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 460064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // captured nested byref variable has its address passed. Do not take 460164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // its address again. 460264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!isNestedCapturedVar) 460364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 460464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(Exp->getType()), 460564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 460664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 460764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(Exp); 460864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 460964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 461064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImportedBlockDecls.size()) { 461164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 461264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 461364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned IntSize = 461464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 461564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 461664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->IntTy, SourceLocation()); 461764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitExprs.push_back(FlagExp); 461864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 461964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 462064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FType, VK_LValue, SourceLocation()); 462164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 462264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getPointerType(NewRep->getType()), 462364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_RValue, OK_Ordinary, SourceLocation()); 462464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 462564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian NewRep); 462664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockDeclRefs.clear(); 462764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDecls.clear(); 462864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclsPtrSet.clear(); 462964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDecls.clear(); 463064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 463164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedBlockDecls.clear(); 463264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return NewRep; 463364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 463464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 463564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianbool RewriteModernObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) { 463664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const ObjCForCollectionStmt * CS = 463764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(Stmts.back())) 463864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return CS->getElement() == DS; 463964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return false; 464064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 464164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 464264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 464364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// Function Body / Expression rewriting 464464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian//===----------------------------------------------------------------------===// 464564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 464664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 464764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 464864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) 464964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 465064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (isa<ObjCForCollectionStmt>(S)) { 465164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.push_back(S); 465264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCBcLabelNo.push_back(++BcLabelCount); 465364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 465464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 465564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Pseudo-object operations and ivar references need special 465664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // treatment because we're going to recursively rewrite them. 465764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PseudoObjectExpr *PseudoOp = dyn_cast<PseudoObjectExpr>(S)) { 465864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<BinaryOperator>(PseudoOp->getSyntacticForm())) { 465964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitSetter(PseudoOp); 466064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 466164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewritePropertyOrImplicitGetter(PseudoOp); 466264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 466464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCIvarRefExpr(IvarRefExpr); 466564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 466664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 466864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 466964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Perform a bottom up rewrite of all children. 467064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (Stmt::child_range CI = S->children(); CI; ++CI) 467164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (*CI) { 467264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *childStmt = (*CI); 467364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(childStmt); 467464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (newStmt) { 467564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *CI = newStmt; 467664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 467764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 467864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 467964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 468064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<BlockDeclRefExpr *, 8> InnerBlockDeclRefs; 468164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 468264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 468364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 468464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 468564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InnerBlockDeclRefs, InnerContexts); 468664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the block body in place. 468764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 468864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = BE->getBody(); 468964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 469064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal on rhs of a property-dot-sytax assignment 469164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // must be replaced by its synthesize ast so getRewrittenText 469264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // works as expected. In this case, what actually ends up on RHS 469364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // is the blockTranscribed which is the helper function for the 469464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // block literal; as in: self.c = ^() {[ace ARR];}; 469564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool saveDisableReplaceStmt = DisableReplaceStmt; 469664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = false; 469764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 469864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmt = saveDisableReplaceStmt; 469964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = SaveCurrentBody; 470064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 470164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ImportedLocalExternalDecls.clear(); 470264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Now we snarf the rewritten text and stash it away for later use. 470364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 470464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewrittenBlockExprs[BE] = Str; 470564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 470664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 470764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 470864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //blockTranscribed->dump(); 470964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, blockTranscribed); 471064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return blockTranscribed; 471164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 471264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle specific things. 471364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 471464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtEncode(AtEncode); 471564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 471664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 471764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteAtSelector(AtSelector); 471864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 471964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 472064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCStringLiteral(AtString); 472164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 472264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 472364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 472464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Before we rewrite it, put the original message expression in a comment. 472564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation startLoc = MessExpr->getLocStart(); 472664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation endLoc = MessExpr->getLocEnd(); 472764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 472864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 472964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 473064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 473164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string messString; 473264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "// "; 473364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString.append(startBuf, endBuf-startBuf+1); 473464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian messString += "\n"; 473564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 473664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Missing definition of 473764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(clang::SourceLocation, char const*, unsigned int). 473864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // InsertText(startLoc, messString.c_str(), messString.size()); 473964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Tried this, but it didn't work either... 474064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 474164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 474264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteMessageExpr(MessExpr); 474364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 474464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 474664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCTryStmt(StmtTry); 474764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 474864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 474964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCSynchronizedStmt(StmtTry); 475064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 475264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCThrowStmt(StmtThrow); 475364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 475564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCProtocolExpr(ProtocolExp); 475664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 475764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCForCollectionStmt *StmtForCollection = 475864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(S)) 475964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteObjCForCollectionStmt(StmtForCollection, 476064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OrigStmtRange.getEnd()); 476164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BreakStmt *StmtBreakStmt = 476264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<BreakStmt>(S)) 476364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBreakStmt(StmtBreakStmt); 476464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ContinueStmt *StmtContinueStmt = 476564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ContinueStmt>(S)) 476664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteContinueStmt(StmtContinueStmt); 476764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 476864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 476964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and cast exprs. 477064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 477164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: What we're doing here is modifying the type-specifier that 477264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // precedes the first Decl. In the future the DeclGroup should have 477364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // a separate type-specifier that we can rewrite. 477464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE: We need to avoid rewriting the DeclStmt if it is within 477564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // the context of an ObjCForCollectionStmt. For example: 477664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NSArray *someArray; 477764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // for (id <FooProtocol> index in someArray) ; 477864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is because RewriteObjCForCollectionStmt() does textual rewriting 477964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and it depends on the original text locations/positions. 478064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS)) 478164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 478264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 478364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks rewrite rules. 478464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 478564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DI != DE; ++DI) { 478664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Decl *SD = *DI; 478764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 478864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(ND->getType())) 478964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(ND); 479064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (ND->getType()->isFunctionPointerType()) 479164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(ND->getType(), ND); 479264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 479364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 479464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 479564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 479664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 479764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 479864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteByRefVar(VD); 479964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 480064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 480164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteTypeOfDecl(VD); 480264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 480364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 480464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) { 480564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 480664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 480764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 480864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 480964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 481264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 481364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 481464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(CE); 481564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 481664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 481764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(S) || isa<ForStmt>(S)) { 481864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!Stmts.empty() && "Statement stack is empty"); 481964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 482064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 482164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian && "Statement stack mismatch"); 482264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmts.pop_back(); 482364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 482464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Handle blocks rewriting. 482564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(S)) { 482664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BDRE->isByRef()) 482764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(BDRE); 482864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 482964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 483064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 483164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 483264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 483364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 483464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 483564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 483664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 483764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 483864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CE->getCallee()->getType()->isBlockPointerType()) { 483964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 484064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmt(S, BlockCall); 484164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return BlockCall; 484264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 484564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 484664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 484764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#if 0 484864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 484964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 485064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ICE->getSubExpr(), 485164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation()); 485264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the new text. 485364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string SStr; 485464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::raw_string_ostream Buf(SStr); 485564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement->printPretty(Buf, *Context); 485664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const std::string &Str = Buf.str(); 485764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 485864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian printf("CAST = %s\n", &Str[0]); 485964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 486064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete S; 486164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 486264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 486364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian#endif 486464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Return this stmt unmodified. 486564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return S; 486664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 486764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 486864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteRecordBody(RecordDecl *RD) { 486964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (RecordDecl::field_iterator i = RD->field_begin(), 487064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian e = RD->field_end(); i != e; ++i) { 487164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FieldDecl *FD = *i; 487264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(FD->getType())) 487364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(FD); 487464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->getType()->isObjCQualifiedIdType() || 487564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->getType()->isObjCQualifiedInterfaceType()) 487664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(FD); 487764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 487864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 487964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 488064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// HandleDeclInMainFile - This is called for each top-level decl defined in the 488164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// main file of the input. 488264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleDeclInMainFile(Decl *D) { 488364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian switch (D->getKind()) { 488464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Function: { 488564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FunctionDecl *FD = cast<FunctionDecl>(D); 488664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (FD->isOverloadedOperator()) 488764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 488864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 488964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Since function prototypes don't have ParmDecl's, we check the function 489064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // prototype. This enables us to rewrite function declarations and 489164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // definitions using the same code. 489264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlocksInFunctionProtoType(FD->getType(), FD); 489364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 489464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: If this should support Obj-C++, support CXXTryStmt 489564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 489664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = FD; 489764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 489864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 489964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 490064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 490164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FD->setBody(Body); 490264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 490364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 490464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 490564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 490664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 490764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This synthesizes and inserts the block "impl" struct, invoke function, 490864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // and any copy/dispose helper functions. 490964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinFunction(FD); 491064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDef = 0; 491164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 491264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 491464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 491564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCMethod: { 491664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCMethodDecl *MD = cast<ObjCMethodDecl>(D); 491764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CompoundStmt *Body = MD->getCompoundBody()) { 491864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = MD; 491964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = Body; 492064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Body = 492164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 492264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MD->setBody(Body); 492364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 492464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 492564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 492664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 492764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 492864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertBlockLiteralsWithinMethod(MD); 492964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurMethodDef = 0; 493064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 493264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCImplementation: { 493464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCImplementationDecl *CI = cast<ObjCImplementationDecl>(D); 493564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ClassImplementation.push_back(CI); 493664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 493764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 493864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::ObjCCategoryImpl: { 493964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryImplDecl *CI = cast<ObjCCategoryImplDecl>(D); 494064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CategoryImplementation.push_back(CI); 494164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 494264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 494364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Var: { 494464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VarDecl *VD = cast<VarDecl>(D); 494564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCQualifiedInterfaceTypes(VD); 494664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(VD->getType())) 494764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(VD); 494864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (VD->getType()->isFunctionPointerType()) { 494964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(VD->getType(), VD); 495064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 495164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 495264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 495364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 495564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else if (VD->getType()->isRecordType()) { 495664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 495764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 495864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 495964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (VD->getInit()) { 496164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = VD; 496264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = VD->getInit(); 496364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 496464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CurrentBody = 0; 496564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PropParentMap) { 496664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian delete PropParentMap; 496764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropParentMap = 0; 496864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 496964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), VD->getName()); 497064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian GlobalVarDecl = 0; 497164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 497264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // This is needed for blocks. 497364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 497464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteCastExpr(CE); 497564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 497864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 497964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::TypeAlias: 498064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Typedef: { 498164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) { 498264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 498364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteBlockPointerDecl(TD); 498464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else if (TD->getUnderlyingType()->isFunctionPointerType()) 498564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 498664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 498764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 498864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 498964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::CXXRecord: 499064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian case Decl::Record: { 499164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = cast<RecordDecl>(D); 499264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (RD->isCompleteDefinition()) 499364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteRecordBody(RD); 499464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 499564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 499664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian default: 499764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 499864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 499964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Nothing yet. 500064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 500164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 500264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::HandleTranslationUnit(ASTContext &C) { 500364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Diags.hasErrorOccurred()) 500464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 500564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 500664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteInclude(); 500764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 500864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Here's a great place to add any extra declarations that may be needed. 500964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write out meta data for each @protocol(<expr>). 501064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 501164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ProtocolExprDecls.end(); I != E; ++I) 501264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCProtocolMetaData(*I, "", "", Preamble); 501364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 501464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 501564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size()) 501664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteImplementations(); 501764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 501864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Get the buffer corresponding to MainFileID. If we haven't changed it, then 501964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // we are done. 502064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (const RewriteBuffer *RewriteBuf = 502164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Rewrite.getRewriteBufferFor(MainFileID)) { 502264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian //printf("Changed:\n"); 502364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 502464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 502564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm::errs() << "No changes\n"; 502664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 502764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 502864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ClassImplementation.size() || CategoryImplementation.size() || 502964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ProtocolExprDecls.size()) { 503064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite Objective-c meta data* 503164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string ResultStr; 503264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteMetaDataIntoBuffer(ResultStr); 503364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Emit metadata. 503464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian *OutFile << ResultStr; 503564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 503664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OutFile->flush(); 503764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 503864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 503964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::Initialize(ASTContext &context) { 504064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InitializeCommon(context); 504164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 504264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // declaring objc_selector outside the parameter list removes a silly 504364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // scope related warning... 504464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IsHeader) 504564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble = "#pragma once\n"; 504664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_selector; struct objc_class;\n"; 504764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __rw_objc_super { struct objc_object *object; "; 504864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct objc_object *superClass; "; 504964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 505064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Add a constructor for creating temporary objects. 505164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 505264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ": "; 505364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "object(o), superClass(s) {} "; 505464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 505564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 505664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 505764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "typedef struct objc_object Protocol;\n"; 505864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define _REWRITER_typedef_Protocol\n"; 505964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 506064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 506164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 506264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 506364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else 506464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 506564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend"; 506664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 506764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper"; 506864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 506964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSend_stret"; 507064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 507164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object* objc_msgSendSuper_stret"; 507264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 507364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret"; 507464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 507564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 507664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 507764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 507864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 507964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 508064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(const char *);\n"; 508164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n"; 508264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n"; 508364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n"; 508464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n"; 508564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match"; 508664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "(struct objc_class *, struct objc_object *);\n"; 508764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @synchronized hooks. 508864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter(struct objc_object *);\n"; 508964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit(struct objc_object *);\n"; 509064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 509164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 509264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __objcFastEnumerationState {\n\t"; 509364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long state;\n\t"; 509464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "void **itemsPtr;\n\t"; 509564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long *mutationsPtr;\n\t"; 509664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "unsigned long extra[5];\n};\n"; 509764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 509864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __FASTENUMERATIONSTATE\n"; 509964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 510064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 510164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __NSConstantStringImpl {\n"; 510264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int *isa;\n"; 510364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int flags;\n"; 510464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " char *str;\n"; 510564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " long length;\n"; 510664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 510764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 510864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 510964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 511064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 511164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 511264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 511364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 511464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Blocks preamble. 511564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef BLOCK_IMPL\n"; 511664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define BLOCK_IMPL\n"; 511764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "struct __block_impl {\n"; 511864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *isa;\n"; 511964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Flags;\n"; 512064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " int Reserved;\n"; 512164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += " void *FuncPtr;\n"; 512264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "};\n"; 512364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 512464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 512564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 512664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 512764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 512864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 512964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 513064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#else\n"; 513164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 513264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 513364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 513464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 513564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 513664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 513764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 513864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 513964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 514064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 514164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __attribute__(X)\n"; 514264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#endif\n"; 514364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 514464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 514564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 514664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __block\n"; 514764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "#define __weak\n"; 514864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 514964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 515064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 515164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 515264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 515364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 515464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteIvarOffsetComputation - This rutine synthesizes computation of 515564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// ivar offset. 515664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteIvarOffsetComputation(ObjCIvarDecl *ivar, 515764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 515864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ivar->isBitField()) { 515964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: The hack below doesn't work for bitfields. For now, we simply 516064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // place all bitfields at offset 0. 516164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "0"; 516264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 516364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "__OFFSETOFIVAR__(struct "; 516464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 516564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 516664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 516764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", "; 516864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ivar->getNameAsString(); 516964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ")"; 517064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 517164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 517264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 517364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// WriteModernMetadataDeclarations - Writes out metadata declarations for modern ABI. 517464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t { 5175da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian/// const char *name; 517664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *attributes; 517764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 517864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 517964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_list_t { 518064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _prop_t) 518164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t count_of_properties; 518264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _prop_t prop_list[count_of_properties]; 518364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 518464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 518564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t; 518664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 518764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_list_t { 518864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// long protocol_count; // Note, this is 32/64 bit 518964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t * protocol_list[protocol_count]; 519064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 519164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 519264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method { 519364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// SEL _cmd; 519477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian/// const char *method_type; 519564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// char *_imp; 519664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 519764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 519864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _method_list_t { 519964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t entsize; // sizeof(struct _objc_method) 520064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// uint32_t method_count; 520164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _objc_method method_list[method_count]; 520264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 520364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 520464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// struct _protocol_t { 520564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// id isa; // NULL 520664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char * const protocol_name; 520764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _protocol_list_t * protocol_list; // super protocols 520864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t * const instance_methods; 520964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t * const class_methods; 521064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalInstanceMethods; 521164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct method_list_t *optionalClassMethods; 521264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const struct _prop_list_t * properties; 521364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t size; // sizeof(struct _protocol_t) 521464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const uint32_t flags; // = 0 521564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// const char ** extendedMethodTypes; 521664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// } 521764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 521864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianstatic void WriteModernMetadataDeclarations(std::string &Result) { 521964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool meta_data_declared = false; 522064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (meta_data_declared) 522164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 522264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 522364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _prop_t {\n"; 5224da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *name;\n"; 5225da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tconst char *attributes;\n"; 522664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 522764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 522864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t;\n"; 522964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 523064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_list_t {\n"; 523164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong protocol_count; // Note, this is 32/64 bit\n"; 523264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _protocol_t *protocol_list[/*protocol_count*/];\n"; 523364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 523464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 523564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 523664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct objc_selector * _cmd;\n"; 523777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tconst char *method_type;\n"; 523864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *_imp;\n"; 523964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 524064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 524164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _protocol_t {\n"; 524264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid * isa; // NULL\n"; 524364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char * const protocol_name;\n"; 524464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _protocol_list_t * protocol_list; // super protocols\n"; 524564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t * const instance_methods;\n"; 524664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t * const class_methods;\n"; 524764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalInstanceMethods;\n"; 524864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct method_list_t *optionalClassMethods;\n"; 524964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst struct _prop_list_t * properties;\n"; 525064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int size; // sizeof(struct _protocol_t)\n"; 525164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst unsigned int flags; // = 0\n"; 525264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char ** extendedMethodTypes;\n"; 525364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 525464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian meta_data_declared = true; 525664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 525764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 525877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanianstatic void Write_method_list_t_TypeDecl(std::string &Result, 525977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian unsigned int method_count) { 526077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "struct /*_method_list_t*/"; Result += " {\n"; 526177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _objc_method)\n"; 526277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tunsigned int method_count;\n"; 526377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\tstruct _objc_method method_list["; 526477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += utostr(method_count); Result += "];\n"; 526577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "}"; 526677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 526777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5268da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanianstatic void Write__prop_list_t_TypeDecl(std::string &Result, 5269da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian unsigned int property_count) { 5270da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "struct /*_prop_list_t*/"; Result += " {\n"; 5271da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int entsize; // sizeof(struct _prop_t)\n"; 5272da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tunsigned int count_of_properties;\n"; 5273da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\tstruct _prop_t prop_list["; 5274da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += utostr(property_count); Result += "];\n"; 5275da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}"; 5276da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5277da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 527877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanianstatic void Write_method_list_t_initializer(ASTContext *Context, std::string &Result, 527977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ArrayRef<ObjCMethodDecl *> Methods, 528077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian StringRef VarName, 528177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian StringRef ProtocolName) { 528277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (Methods.size() > 0) { 528377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\nstatic "; 528477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_TypeDecl(Result, Methods.size()); 528577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " "; Result += VarName; 528677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ProtocolName; 528777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 528877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += "sizeof(_objc_method)"; Result += ",\n"; 528977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t"; Result += utostr(Methods.size()); Result += ",\n"; 529077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (unsigned i = 0, e = Methods.size(); i < e; i++) { 529177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = Methods[i]; 529277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == 0) 529377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{{(struct objc_selector *)\""; 529477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 529577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\t{(struct objc_selector *)\""; 529677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += (MD)->getSelector().getAsString(); Result += "\""; 529777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 529877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::string MethodTypeString; 529977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Context->getObjCEncodingForMethodDecl(MD, MethodTypeString); 530077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "\""; Result += MethodTypeString; Result += "\""; 530177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += ", "; 530277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian // FIXME is _imp always null here? 530377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (i == e-1) 530477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "0}}\n"; 530577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian else 530677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "0},\n"; 530777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 530877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Result += "};\n"; 530977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 531077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian} 531177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5312da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanianstatic void Write__prop_list_t_initializer(RewriteModernObjC &RewriteObj, 5313da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ASTContext *Context, std::string &Result, 5314da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ArrayRef<ObjCPropertyDecl *> Properties, 5315da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian const Decl *Container, 5316da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef VarName, 5317da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian StringRef ProtocolName) { 5318da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (Properties.size() > 0) { 5319da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\nstatic "; 5320da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Write__prop_list_t_TypeDecl(Result, Properties.size()); 5321da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " "; Result += VarName; 5322da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += ProtocolName; 5323da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__objc_const\"))) = {\n"; 5324da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += "sizeof(_prop_t)"; Result += ",\n"; 5325da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t"; Result += utostr(Properties.size()); Result += ",\n"; 5326da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (unsigned i = 0, e = Properties.size(); i < e; i++) { 5327da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ObjCPropertyDecl *PropDecl = Properties[i]; 5328da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == 0) 5329da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{{\""; 5330da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5331da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\t{\""; 5332da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += PropDecl->getName(); Result += "\","; 5333da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::string PropertyTypeString, QuotePropertyTypeString; 5334da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Context->getObjCEncodingForPropertyDecl(PropDecl, Container, PropertyTypeString); 5335da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian RewriteObj.QuoteDoublequotes(PropertyTypeString, QuotePropertyTypeString); 5336da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "\""; Result += QuotePropertyTypeString; Result += "\""; 5337da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian if (i == e-1) 5338da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "}}\n"; 5339da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian else 5340da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "},\n"; 5341da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5342da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Result += "};\n"; 5343da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian } 5344da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian} 5345da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 534664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 534764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolMetaData( 534864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCProtocolDecl *PDecl, StringRef prefix, 534964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, std::string &Result) { 535064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 535164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Do not synthesize the protocol more than once. 535264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCSynthesizedProtocols.count(PDecl->getCanonicalDecl())) 535364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return; 535482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian WriteModernMetadataDeclarations(Result); 535564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 535664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCProtocolDecl *Def = PDecl->getDefinition()) 535764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PDecl = Def; 535864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 535977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian // Construct method lists. 536077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> InstanceMethods, ClassMethods; 536177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian std::vector<ObjCMethodDecl *> OptInstanceMethods, OptClassMethods; 536277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::instmeth_iterator 536377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 536477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 536577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 536677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 536777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptInstanceMethods.push_back(MD); 536877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 536977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian InstanceMethods.push_back(MD); 537077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 537177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 537277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 537377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian for (ObjCProtocolDecl::classmeth_iterator 537477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 537577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian I != E; ++I) { 537677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ObjCMethodDecl *MD = *I; 537777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian if (MD->getImplementationControl() == ObjCMethodDecl::Optional) { 537877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian OptClassMethods.push_back(MD); 537977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } else { 538077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian ClassMethods.push_back(MD); 538177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 538277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian } 538377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_initializer(Context, Result, InstanceMethods, 538477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_INSTANCE_METHODS_", 538577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian PDecl->getNameAsString()); 538677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 538777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_initializer(Context, Result, ClassMethods, 538877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_CLASS_METHODS_", 538977e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian PDecl->getNameAsString()); 539077e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 539177e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_initializer(Context, Result, OptInstanceMethods, 539277e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_", 539377e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian PDecl->getNameAsString()); 539477e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 539577e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian Write_method_list_t_initializer(Context, Result, OptClassMethods, 539677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian "_OBJC_PROTOCOL_OPT_CLASS_METHODS_", 539777e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian PDecl->getNameAsString()); 539877e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 5399da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian // Protocol's property metadata. 5400da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian std::vector<ObjCPropertyDecl *> ProtocolProperties; 5401da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian for (ObjCContainerDecl::prop_iterator I = PDecl->prop_begin(), 5402da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 5403da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian ProtocolProperties.push_back(*I); 5404da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 5405da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian Write__prop_list_t_initializer(*this, Context, Result, ProtocolProperties, 5406da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian /* Container */0, 5407da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian "_OBJC_PROTOCOL_PROPERTIES_", 5408da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian PDecl->getNameAsString()); 5409da35eacc6e05a99ab30f7290f1d42df32d06b22eFariborz Jahanian 541082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // Writer out root metadata for current protocol: struct _protocol_t 541182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\nstatic struct _protocol_t _OBJC_PROTOCOL_"; 541282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); 541382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += " __attribute__ ((used, section (\"__DATA,__datacoal_nt,coalesced\"))) = {\n"; 541482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; // id is; is null 541582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t\""; Result += PDecl->getNameAsString(); Result += "\",\n"; 541677e4bcacd5c80d8bffe19a4489b5f059b618d4bcFariborz Jahanian 541782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // FIXME. const struct _protocol_list_t * protocol_list; // super protocols 541882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 541982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (InstanceMethods.size() > 0) { 542082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 542182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 542264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 542382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 542482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 542582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 542682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ClassMethods.size() > 0) { 542782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 542882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 542964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 543082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 543182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 543264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 543382848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptInstanceMethods.size() > 0) { 543482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_INSTANCE_METHODS_"; 543582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 543664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 543782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian else 543882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 543964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 544082848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (OptClassMethods.size() > 0) { 544182848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct method_list_t *)&_OBJC_PROTOCOL_OPT_CLASS_METHODS_"; 544282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 544364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 544464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 544582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 544682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 544782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian if (ProtocolProperties.size() > 0) { 544882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t(const struct _prop_list_t *)&_OBJC_PROTOCOL_PROPERTIES_"; 544982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += PDecl->getNameAsString(); Result += ",\n"; 545064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 545164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 545282848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 545364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 545482848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t"; Result += "sizeof(_protocol_t)"; Result += ",\n"; 545582848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0,\n"; 545682848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 545782848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian // FIXME. // const char ** extendedMethodTypes; 545882848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian Result += "\t0\n};\n"; 545982848c26c896d46c0b98e1776a7781e754a8ee25Fariborz Jahanian 546064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Mark this protocol as having been generated. 546164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl())) 546264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian llvm_unreachable("protocol already synthesized"); 546364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 546464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 546564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 546664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCProtocolListMetaData( 546764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCList<ObjCProtocolDecl> &Protocols, 546864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, StringRef ClassName, 546964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 547064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (Protocols.empty()) return; 547164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 547264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 0; i != Protocols.size(); i++) 547364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCProtocolMetaData(Protocols[i], prefix, ClassName, Result); 547464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 547564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Output the top lovel protocol meta-data for the class. 547664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_protocol_list { 547764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *next; 547864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int protocol_count; 547964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol *class_protocols[]; 548064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 548164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 548264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct {\n"; 548364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *next;\n"; 548464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint protocol_count;\n"; 548564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol *class_protocols["; 548664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 548764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 548864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 548964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_PROTOCOLS_"; 549064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 549164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 549264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t0, "; 549364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(Protocols.size()); 549464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 549564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 549664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{&_OBJC_PROTOCOL_"; 549764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[0]->getNameAsString(); 549864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " \n"; 549964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 550064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (unsigned i = 1; i != Protocols.size(); i++) { 550164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,&_OBJC_PROTOCOL_"; 550264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += Protocols[i]->getNameAsString(); 550364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 550464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 550564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 550664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 550764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 550864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 550964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 551064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 551164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 551264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicitly declared @interface's are already synthesized. 551364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->isImplicitInterfaceDecl()) { 551464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: Implementation of a class with no @interface (legacy) does not 551564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // produce correct synthesis as yet. 551664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCInternalStruct(CDecl, Result); 551764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 551864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 551964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_ivar_list metadata for classes ivars if needed 552064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumIvars = !IDecl->ivar_empty() 552164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ? IDecl->ivar_size() 552264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian : (CDecl ? CDecl->ivar_size() : 0); 552364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (NumIvars > 0) { 552464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objc_ivar = false; 552564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_ivar) { 552664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_ivar { 552764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *ivar_name; 552864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *ivar_type; 552964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ivar_offset; 553064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 553164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 553264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_ivar {\n"; 553364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *ivar_name;\n"; 553464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *ivar_type;\n"; 553564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint ivar_offset;\n"; 553664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 553764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 553864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_ivar = true; 553964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 554064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 554164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct { 554264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ivar_count; 554364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_ivar ivar_list[nIvars]; 554464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 554564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 554664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct {\n"; 554764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint ivar_count;\n"; 554864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_ivar ivar_list["; 554964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumIvars); 555064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_INSTANCE_VARIABLES_"; 555164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IDecl->getNameAsString(); 555264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __instance_vars\")))= " 555364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t"; 555464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumIvars); 555564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 555664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 555764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl::ivar_iterator IVI, IVE; 555864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCIvarDecl *, 8> IVars; 555964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!IDecl->ivar_empty()) { 556064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator 556164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV = IDecl->ivar_begin(), IVEnd = IDecl->ivar_end(); 556264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV != IVEnd; ++IV) 556364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IVars.push_back(*IV); 556464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IVI = IDecl->ivar_begin(); 556564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IVE = IDecl->ivar_end(); 556664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 556764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IVI = CDecl->ivar_begin(); 556864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IVE = CDecl->ivar_end(); 556964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 557064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{{\""; 557164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*IVI)->getNameAsString(); 557264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 557364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TmpString, StrEncoding; 557464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 557564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QuoteDoublequotes(TmpString, StrEncoding); 557664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += StrEncoding; 557764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", "; 557864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation(*IVI, Result); 557964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 558064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++IVI; IVI != IVE; ++IVI) { 558164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,{\""; 558264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*IVI)->getNameAsString(); 558364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 558464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string TmpString, StrEncoding; 558564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 558664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QuoteDoublequotes(TmpString, StrEncoding); 558764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += StrEncoding; 558864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", "; 558964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteIvarOffsetComputation((*IVI), Result); 559064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 559164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 559264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 559364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 559464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 559564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 559664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's instance methods if needed 559764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 559864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 559964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 560064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If any of our property implementations have associated getters or 560164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // setters, produce metadata for them as well. 560264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 560364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropEnd = IDecl->propimpl_end(); 560464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Prop != PropEnd; ++Prop) { 560564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 560664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 560764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 560864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 560964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 561064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD) 561164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 561264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 561364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Getter->isDefined()) 561464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Getter); 561564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly()) 561664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 561764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 561864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!Setter->isDefined()) 561964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Setter); 562064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 562164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 562264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true, "", IDecl->getName(), Result); 562364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 562464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's class methods if needed 562564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 562664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false, "", IDecl->getName(), Result); 562764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 562864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Protocols referenced in class declaration? 562964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), 563064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "CLASS", CDecl->getName(), Result); 563164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 563264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Declaration of class/meta-class metadata 563364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_class { 563464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_class *isa; // or const char *root_class_name when metadata 563564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *super_class_name; 563664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *name; 563764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian long version; 563864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian long info; 563964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian long instance_size; 564064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_ivar_list *ivars; 564164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *methods; 564264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct objc_cache *cache; 564364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct objc_protocol_list *protocols; 564464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *ivar_layout; 564564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_class_ext *ext; 564664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 564764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 564864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objc_class = false; 564964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_class) { 565064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_class {\n"; 565164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_class *isa;\n"; 565264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char *super_class_name;\n"; 565364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *name;\n"; 565464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong version;\n"; 565564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong info;\n"; 565664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong instance_size;\n"; 565764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_ivar_list *ivars;\n"; 565864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *methods;\n"; 565964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct objc_cache *cache;\n"; 566064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 566164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char *ivar_layout;\n"; 566264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_class_ext *ext;\n"; 566364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 566464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_class = true; 566564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 566664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 566764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Meta-class metadata generation. 566864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *RootClass = 0; 566964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass(); 567064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian while (SuperClass) { 567164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RootClass = SuperClass; 567264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperClass = SuperClass->getSuperClass(); 567364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 567464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SuperClass = CDecl->getSuperClass(); 567564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 567664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_METACLASS_"; 567764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 567864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __meta_class\")))= " 567964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t(struct _objc_class *)\""; 568064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (RootClass ? RootClass->getNameAsString() : CDecl->getNameAsString()); 568164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\""; 568264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 568364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperClass) { 568464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", \""; 568564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += SuperClass->getNameAsString(); 568664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 568764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 568864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\""; 568964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 569064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 569164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0, \""; 569264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 569364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\""; 569464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 569564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Set 'ivars' field for root class to 0. ObjC1 runtime does not use it. 569664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 'info' field is initialized to CLS_META(2) for metaclass 569764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0,2, sizeof(struct _objc_class), 0"; 569864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 569964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n\t, (struct _objc_method_list *)&_OBJC_CLASS_METHODS_"; 570064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IDecl->getNameAsString(); 570164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 570264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 570364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 570464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0\n"; 570564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->protocol_begin() != CDecl->protocol_end()) { 570664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,0, (struct _objc_protocol_list *)&_OBJC_CLASS_PROTOCOLS_"; 570764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 570864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ",0,0\n"; 570964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 571064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 571164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,0,0,0,0\n"; 571264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 571364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 571464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // class metadata generation. 571564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_CLASS_"; 571664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 571764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __class\")))= " 571864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "{\n\t&_OBJC_METACLASS_"; 571964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 572064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (SuperClass) { 572164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", \""; 572264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += SuperClass->getNameAsString(); 572364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 572464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 572564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\""; 572664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 572764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 572864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0, \""; 572964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 573064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\""; 573164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 573264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // 'info' field is initialized to CLS_CLASS(1) for class 573364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0,1"; 573464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!ObjCSynthesizedStructs.count(CDecl)) 573564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ",0"; 573664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else { 573764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // class has size. Must synthesize its size. 573864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ",sizeof(struct "; 573964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 574064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) 574164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_IMPL"; 574264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ")"; 574364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 574464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (NumIvars > 0) { 574564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", (struct _objc_ivar_list *)&_OBJC_INSTANCE_VARIABLES_"; 574664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 574764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n\t"; 574864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 574964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 575064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ",0"; 575164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 575264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", (struct _objc_method_list *)&_OBJC_INSTANCE_METHODS_"; 575364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 575464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0\n\t"; 575564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 575664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 575764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ",0,0"; 575864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->protocol_begin() != CDecl->protocol_end()) { 575964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_"; 576064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CDecl->getNameAsString(); 576164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ", 0,0\n"; 576264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 576364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 576464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ",0,0,0\n"; 576564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 576664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 576764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 576864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteMetaDataIntoBuffer(std::string &Result) { 576964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 577064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 577164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 577264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented class, write out all its meta data. 577364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 577464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCClassMetaData(ClassImplementation[i], Result); 577564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 577664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // For each implemented category, write out all its meta data. 577764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) 577864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 577964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 578064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write objc_symtab metadata 578164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* 578264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_symtab 578364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 578464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian long sel_ref_cnt; 578564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SEL *refs; 578664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian short cls_def_cnt; 578764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian short cat_def_cnt; 578864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void *defs[cls_def_cnt + cat_def_cnt]; 578964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 579064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 579164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 579264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_symtab {\n"; 579364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong sel_ref_cnt;\n"; 579464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tSEL *refs;\n"; 579564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tshort cls_def_cnt;\n"; 579664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tshort cat_def_cnt;\n"; 579764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid *defs[" + utostr(ClsDefCount + CatDefCount)+ "];\n"; 579864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n\n"; 579964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 580064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "static struct _objc_symtab " 580164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_OBJC_SYMBOLS __attribute__((used, section (\"__OBJC, __symbols\")))= {\n"; 580264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t0, 0, " + utostr(ClsDefCount) 580364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian + ", " + utostr(CatDefCount) + "\n"; 580464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 580564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,&_OBJC_CLASS_"; 580664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassImplementation[i]->getNameAsString(); 580764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 580864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 580964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 581064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 581164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,&_OBJC_CATEGORY_"; 581264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CategoryImplementation[i]->getClassInterface()->getNameAsString(); 581364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_"; 581464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += CategoryImplementation[i]->getNameAsString(); 581564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 581664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 581764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 581864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n\n"; 581964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 582064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Write objc_module metadata 582164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 582264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* 582364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_module { 582464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian long version; 582564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian long size; 582664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const char *name; 582764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_symtab *symtab; 582864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 582964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 583064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 583164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_module {\n"; 583264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong version;\n"; 583364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tlong size;\n"; 583464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tconst char *name;\n"; 583564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_symtab *symtab;\n"; 583664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n\n"; 583764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "static struct _objc_module " 583864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "_OBJC_MODULES __attribute__ ((used, section (\"__OBJC, __module_info\")))= {\n"; 583964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t" + utostr(OBJC_ABI_VERSION) + 584064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ", sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n"; 584164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n\n"; 584264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 584364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (LangOpts.MicrosoftExt) { 584464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ProtocolExprDecls.size()) { 584564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "#pragma section(\".objc_protocol$B\",long,read,write)\n"; 584664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "#pragma data_seg(push, \".objc_protocol$B\")\n"; 584764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 584864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian E = ProtocolExprDecls.end(); I != E; ++I) { 584964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "static struct _objc_protocol *_POINTER_OBJC_PROTOCOL_"; 585064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*I)->getNameAsString(); 585164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " = &_OBJC_PROTOCOL_"; 585264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*I)->getNameAsString(); 585364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ";\n"; 585464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 585564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "#pragma data_seg(pop)\n\n"; 585664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 585764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "#pragma section(\".objc_module_info$B\",long,read,write)\n"; 585864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "#pragma data_seg(push, \".objc_module_info$B\")\n"; 585964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "static struct _objc_module *_POINTER_OBJC_MODULES = "; 586064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "&_OBJC_MODULES;\n"; 586164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "#pragma data_seg(pop)\n\n"; 586264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 586364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 586464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 586564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 586664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// implementation. 586764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 586864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 586964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 587064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Find category declaration for this implementation. 587164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCCategoryDecl *CDecl; 587264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (CDecl = ClassDecl->getCategoryList(); CDecl; 587364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CDecl = CDecl->getNextClassCategory()) 587464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 587564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian break; 587664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 587764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string FullCategoryName = ClassDecl->getNameAsString(); 587864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FullCategoryName += '_'; 587964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FullCategoryName += IDecl->getNameAsString(); 588064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 588164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's instance methods if needed 588264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SmallVector<ObjCMethodDecl *, 32> 588364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 588464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 588564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // If any of our property implementations have associated getters or 588664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // setters, produce metadata for them as well. 588764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 588864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian PropEnd = IDecl->propimpl_end(); 588964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Prop != PropEnd; ++Prop) { 589064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 589164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 589264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!(*Prop)->getPropertyIvarDecl()) 589364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 589464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 589564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!PD) 589664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 589764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 589864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Getter); 589964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (PD->isReadOnly()) 590064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian continue; 590164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 590264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian InstanceMethods.push_back(Setter); 590364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 590464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 590564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian true, "CATEGORY_", FullCategoryName.c_str(), 590664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result); 590764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 590864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's class methods if needed 590964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 591064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian false, "CATEGORY_", FullCategoryName.c_str(), 591164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result); 591264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 591364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Protocols referenced in class declaration? 591464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Null CDecl is case of a category implementation with no category interface 591564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl) 591664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), "CATEGORY", 591764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian FullCategoryName, Result); 591864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_category { 591964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *category_name; 592064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *class_name; 592164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *instance_methods; 592264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *class_methods; 592364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_protocol_list *protocols; 592464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Objective-C 1.0 extensions 592564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian uint32_t size; // sizeof (struct _objc_category) 592664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_property_list *instance_properties; // category's own 592764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // @property decl. 592864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian }; 592964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 593064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 593164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian static bool objc_category = false; 593264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_category) { 593364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_category {\n"; 593464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *category_name;\n"; 593564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *class_name;\n"; 593664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *instance_methods;\n"; 593764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *class_methods;\n"; 593864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 593964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tunsigned int size;\n"; 594064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_property_list *instance_properties;\n"; 594164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 594264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_category = true; 594364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 594464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct _objc_category _OBJC_CATEGORY_"; 594564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 594664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __category\")))= {\n\t\""; 594764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IDecl->getNameAsString(); 594864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\"\n\t, \""; 594964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassDecl->getNameAsString(); 595064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\"\n"; 595164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 595264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 595364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 595464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "&_OBJC_CATEGORY_INSTANCE_METHODS_"; 595564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 595664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 595764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 595864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 595964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, 0\n"; 596064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 596164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 596264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian "&_OBJC_CATEGORY_CLASS_METHODS_"; 596364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 596464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 596564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 596664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 596764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, 0\n"; 596864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 596964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CDecl && CDecl->protocol_begin() != CDecl->protocol_end()) { 597064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_"; 597164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += FullCategoryName; 597264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\n"; 597364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 597464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian else 597564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, 0\n"; 597664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t, sizeof(struct _objc_category), 0\n};\n"; 597764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 597864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 597964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 598064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian/// class methods. 598164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahaniantemplate<typename MethodIterator> 598264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanianvoid RewriteModernObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 598364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MethodIterator MethodEnd, 598464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian bool IsInstanceMethod, 598564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef prefix, 598664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian StringRef ClassName, 598764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string &Result) { 598864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (MethodBegin == MethodEnd) return; 598964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 599064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (!objc_impl_method) { 599164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct _objc_method { 599264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SEL _cmd; 599364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian char *method_types; 599464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian void *_imp; 599564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 599664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 599764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstruct _objc_method {\n"; 599864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tSEL _cmd;\n"; 599964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tchar *method_types;\n"; 600064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tvoid *_imp;\n"; 600164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "};\n"; 600264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 600364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian objc_impl_method = true; 600464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 600564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 600664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Build _objc_method_list for class's methods if needed 600764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 600864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian /* struct { 600964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method_list *next_method; 601064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian int method_count; 601164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian struct _objc_method method_list[]; 601264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 601364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian */ 601464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 601564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\nstatic struct {\n"; 601664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method_list *next_method;\n"; 601764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tint method_count;\n"; 601864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\tstruct _objc_method method_list["; 601964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += utostr(NumMethods); 602064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "];\n} _OBJC_"; 602164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += prefix; 602264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 602364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_METHODS_"; 602464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += ClassName; 602564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += " __attribute__ ((used, section (\"__OBJC, __"; 602664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += IsInstanceMethod ? "inst" : "cls"; 602764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "_meth\")))= "; 602864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 602964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 603064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t,{{(SEL)\""; 603164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 603264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 603364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 603464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 603564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 603664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 603764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 603864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 603964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 604064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t ,{(SEL)\""; 604164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += (*MethodBegin)->getSelector().getAsString().c_str(); 604264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string MethodTypeString; 604364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 604464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", \""; 604564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodTypeString; 604664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\", (void *)"; 604764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += MethodInternalNames[*MethodBegin]; 604864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "}\n"; 604964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 605064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Result += "\t }\n};\n"; 605164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 605264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 605364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz JahanianStmt *RewriteModernObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV) { 605464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceRange OldRange = IV->getSourceRange(); 605564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *BaseExpr = IV->getBase(); 605664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 605764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Rewrite the base, but without actually doing replaces. 605864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian { 605964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian DisableReplaceStmtScope S(*this); 606064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian BaseExpr = cast<Expr>(RewriteFunctionBodyOrGlobalInitializer(BaseExpr)); 606164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(BaseExpr); 606264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 606364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 606464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCIvarDecl *D = IV->getDecl(); 606564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 606664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Expr *Replacement = IV; 606764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (CurMethodDef) { 606864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 606964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 607064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 607164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 607264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 607364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 607464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 607564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 607664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 607764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 607864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 607964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName = clsDeclared->getIdentifier()->getName(); 608064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecName += "_IMPL"; 608164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName); 608264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 608364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 608464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 608564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 608664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 608764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 608864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 608964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getBase()); 609064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 609164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(OldRange.getBegin(), 609264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian OldRange.getEnd(), 609364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian castExpr); 609464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (IV->isFreeIvar() && 609564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian declaresSameEntity(CurMethodDef->getClassInterface(), iFaceDecl->getDecl())) { 609664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(PE, true, D, 609764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getLocation(), 609864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian D->getType(), 609964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian VK_LValue, OK_Ordinary); 610064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian Replacement = ME; 610164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { 610264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(PE); 610364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 610464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 610564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } else { // we are outside a method. 610664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(!IV->isFreeIvar() && "Cannot have a free standing ivar outside a method"); 610764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 610864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Explicit ivar refs need to have a cast inserted. 610964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // FIXME: consider sharing some of this code with the code above. 611064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 611164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian const ObjCInterfaceType *iFaceDecl = 611264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 611364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // lookup which class implements the instance variable. 611464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ObjCInterfaceDecl *clsDeclared = 0; 611564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 611664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian clsDeclared); 611764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 611864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 611964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 612064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian std::string RecName = clsDeclared->getIdentifier()->getName(); 612164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecName += "_IMPL"; 612264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName); 612364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 612464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian SourceLocation(), SourceLocation(), 612564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian II); 612664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 612764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 612864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 612964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian CK_BitCast, 613064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getBase()); 613164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Don't forget the parens to enforce the proper binding. 613264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 613364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->getBase()->getLocEnd(), castExpr); 613464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Cannot delete IV->getBase(), since PE points to it. 613564cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // Replace the old base with the cast. This is important when doing 613664cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian // embedded rewrites. For example, [newInv->_container addObject:0]. 613764cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian IV->setBase(PE); 613864cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 613964cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian } 614064cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 614164cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian ReplaceStmtWithRange(IV, Replacement, OldRange); 614264cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian return Replacement; 614364cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian} 614464cb63a0cfa76b278e0791141c7b5a1b424ab434Fariborz Jahanian 6145