RewriteObjC.cpp revision 162e1c1b487352434552147967c3dd296ebee2f7
1b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroff//===--- RewriteObjC.cpp - Playground for the code rewriter ---------------===// 277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// 377cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// The LLVM Compiler Infrastructure 477cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 777cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// 877cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner//===----------------------------------------------------------------------===// 977cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// 1077cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// Hacks and fun related to the code rewriter. 1177cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner// 1277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner//===----------------------------------------------------------------------===// 1377cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 149b414d3e2d0cb84512b55a3275a98490b090162aDaniel Dunbar#include "clang/Rewrite/ASTConsumers.h" 158a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner#include "clang/Rewrite/Rewriter.h" 1677cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner#include "clang/AST/AST.h" 1777cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner#include "clang/AST/ASTConsumer.h" 188599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff#include "clang/AST/ParentMap.h" 198a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner#include "clang/Basic/SourceManager.h" 20ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff#include "clang/Basic/IdentifierTable.h" 210750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner#include "clang/Basic/Diagnostic.h" 2226de4655a38b899e0f0dcef4175032175854d1cfChris Lattner#include "clang/Lex/Lexer.h" 236cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer#include "llvm/Support/MemoryBuffer.h" 246cb7c1a43b0c8f739d1f54b7fdae5ede86033496Benjamin Kramer#include "llvm/Support/raw_ostream.h" 25158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner#include "llvm/ADT/StringExtras.h" 2626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian#include "llvm/ADT/SmallPtrSet.h" 27a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek#include "llvm/ADT/OwningPtr.h" 28ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian#include "llvm/ADT/DenseSet.h" 2972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian 3077cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattnerusing namespace clang; 31158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattnerusing llvm::utostr; 3277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 3377cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattnernamespace { 34b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroff class RewriteObjC : public ASTConsumer { 3573e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian enum { 3659b173d81b05b7d10cec8b06b3fd843230ef628cNico Weber BLOCK_FIELD_IS_OBJECT = 3, /* id, NSObject, __attribute__((NSObject)), 3773e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian block, ... */ 3873e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_FIELD_IS_BLOCK = 7, /* a block variable */ 3973e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_FIELD_IS_BYREF = 8, /* the on stack structure holding the 4073e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian __block variable */ 4159b173d81b05b7d10cec8b06b3fd843230ef628cNico Weber BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy 4273e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian helpers */ 4359b173d81b05b7d10cec8b06b3fd843230ef628cNico Weber BLOCK_BYREF_CALLER = 128, /* called from __block (byref) copy/dispose 4473e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian support routines */ 4573e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_BYREF_CURRENT_MAX = 256 4673e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian }; 4773e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian 4873e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian enum { 4973e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_NEEDS_FREE = (1 << 24), 5073e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_HAS_COPY_DISPOSE = (1 << 25), 5173e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_HAS_CXX_OBJ = (1 << 26), 5273e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_IS_GC = (1 << 27), 5373e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_IS_GLOBAL = (1 << 28), 5473e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_HAS_DESCRIPTOR = (1 << 29) 5573e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian }; 5673e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian 572c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner Rewriter Rewrite; 58e365c50a21cb02e0219433db0c4461566ad4a597Chris Lattner Diagnostic &Diags; 594f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff const LangOptions &LangOpts; 60f69cc5d6606fc65a76e3acd6eb6e13efd0098295Steve Naroff unsigned RewriteFailedDiag; 618c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff unsigned TryFinallyContainsReturnDiag; 621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6301c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner ASTContext *Context; 6477cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner SourceManager *SM; 65ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TranslationUnitDecl *TUDecl; 662b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID MainFileID; 6726de4655a38b899e0f0dcef4175032175854d1cfChris Lattner const char *MainFileStart, *MainFileEnd; 682c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner SourceLocation LastIncLoc; 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 70a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCImplementationDecl *, 8> ClassImplementation; 71a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallVector<ObjCCategoryImplDecl *, 8> CategoryImplementation; 72a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCSynthesizedStructs; 73fbfe82527dadb09c95609a742744d75a2322850cSteve Naroff llvm::SmallPtrSet<ObjCProtocolDecl*, 8> ObjCSynthesizedProtocols; 74a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::SmallPtrSet<ObjCInterfaceDecl*, 8> ObjCForwardDecls; 75a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek llvm::DenseMap<ObjCMethodDecl*, std::string> MethodInternalNames; 76e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian llvm::SmallVector<Stmt *, 32> Stmts; 77e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian llvm::SmallVector<int, 8> ObjCBcLabelNo; 78621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Remember all the @protocol(<expr>) expressions. 79621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff llvm::SmallPtrSet<ObjCProtocolDecl *, 32> ProtocolExprDecls; 80ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian 81ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian llvm::DenseSet<uint64_t> CopyDestroyCache; 82ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian 83d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff unsigned NumObjCStringLiterals; 841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 85ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff FunctionDecl *MsgSendFunctionDecl; 86874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff FunctionDecl *MsgSendSuperFunctionDecl; 8780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendStretFunctionDecl; 8880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendSuperStretFunctionDecl; 89acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian FunctionDecl *MsgSendFpretFunctionDecl; 90ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff FunctionDecl *GetClassFunctionDecl; 919bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff FunctionDecl *GetMetaClassFunctionDecl; 92d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian FunctionDecl *GetSuperClassFunctionDecl; 93934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff FunctionDecl *SelGetUidFunctionDecl; 949698464266660346fa2da1bddc3e6404a9819b25Steve Naroff FunctionDecl *CFStringFunctionDecl; 95c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff FunctionDecl *SuperContructorFunctionDecl; 961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // ObjC string constant support. 98248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff VarDecl *ConstantStringClassReference; 99beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff RecordDecl *NSStringRecord; 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101b586cce95c69161c771f7a966383beb4fc5dd394Fariborz Jahanian // ObjC foreach break/continue generation support. 102e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian int BcLabelCount; 1031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 104874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // Needed for super. 10554055232a5ddb9529726e934301b125cb720a273Steve Naroff ObjCMethodDecl *CurMethodDef; 106874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff RecordDecl *SuperStructDecl; 107d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff RecordDecl *ConstantStringDecl; 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 109621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff TypeDecl *ProtocolTypeDecl; 110621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QualType getProtocolType(); 1111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 112b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // Needed for header files being rewritten 113b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian bool IsHeader; 1141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff std::string InFileName; 11666d6f048471aad6daf67b3ea804b54fbea72a076Eli Friedman llvm::raw_ostream* OutFile; 117c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman 118c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool SilenceRewriteMacroWarning; 119f292fcf6bd5118499a830e0950429effeb373c28Fariborz Jahanian bool objc_impl_method; 120c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman 121ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff std::string Preamble; 12254055232a5ddb9529726e934301b125cb720a273Steve Naroff 12354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Block expressions. 12454055232a5ddb9529726e934301b125cb720a273Steve Naroff llvm::SmallVector<BlockExpr *, 32> Blocks; 1255e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<int, 32> InnerDeclRefsCount; 1265e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 32> InnerDeclRefs; 1275e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 12854055232a5ddb9529726e934301b125cb720a273Steve Naroff llvm::SmallVector<BlockDeclRefExpr *, 32> BlockDeclRefs; 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Block related declarations. 131bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian llvm::SmallVector<ValueDecl *, 8> BlockByCopyDecls; 132bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByCopyDeclsPtrSet; 133bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian llvm::SmallVector<ValueDecl *, 8> BlockByRefDecls; 134bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian llvm::SmallPtrSet<ValueDecl *, 8> BlockByRefDeclsPtrSet; 135a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian llvm::DenseMap<ValueDecl *, unsigned> BlockByRefDeclNo; 13654055232a5ddb9529726e934301b125cb720a273Steve Naroff llvm::SmallPtrSet<ValueDecl *, 8> ImportedBlockDecls; 1376cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian llvm::SmallPtrSet<VarDecl *, 8> ImportedLocalExternalDecls; 1386cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 13954055232a5ddb9529726e934301b125cb720a273Steve Naroff llvm::DenseMap<BlockExpr *, std::string> RewrittenBlockExprs; 14054055232a5ddb9529726e934301b125cb720a273Steve Naroff 141c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // This maps a property to it's assignment statement. 142f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian llvm::DenseMap<Expr *, BinaryOperator *> PropSetters; 1438599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // This maps a property to it's synthesied message expression. 1448599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // This allows us to rewrite chained getters (e.g. o.a.b.c). 145f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian llvm::DenseMap<Expr *, Stmt *> PropGetters; 1461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1474c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // This maps an original source AST to it's rewritten form. This allows 1484c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // us to avoid rewriting the same node twice (which is very uncommon). 1494c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // This is needed to support some of the exotic property rewriting. 1504c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff llvm::DenseMap<Stmt *, Stmt *> ReplacedNodes; 15115f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 15254055232a5ddb9529726e934301b125cb720a273Steve Naroff FunctionDecl *CurFunctionDef; 153abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FunctionDecl *CurFunctionDeclToDeclareForBlock; 1548e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff VarDecl *GlobalVarDecl; 1551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 156b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff bool DisableReplaceStmt; 1571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1587e7492442f32e3abbe246f6bb35568b044c1188bNick Lewycky static const int OBJC_ABI_VERSION = 7; 15977cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner public: 160e3a6198400453c0d9623207718e4942f7c111f87Ted Kremenek virtual void Initialize(ASTContext &context); 161e3a6198400453c0d9623207718e4942f7c111f87Ted Kremenek 162f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Top Level Driver code. 163682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner virtual void HandleTopLevelDecl(DeclGroupRef D) { 164682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner for (DeclGroupRef::iterator I = D.begin(), E = D.end(); I != E; ++I) 165682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner HandleTopLevelSingleDecl(*I); 166682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner } 167682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner void HandleTopLevelSingleDecl(Decl *D); 1682c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner void HandleDeclInMainFile(Decl *D); 16966d6f048471aad6daf67b3ea804b54fbea72a076Eli Friedman RewriteObjC(std::string inFile, llvm::raw_ostream *OS, 170c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman Diagnostic &D, const LangOptions &LOpts, 171c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool silenceMacroWarn); 172e452e0ffc81c6c3d79680f552f2623e6cf0956d7Ted Kremenek 173e452e0ffc81c6c3d79680f552f2623e6cf0956d7Ted Kremenek ~RewriteObjC() {} 1741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 175dacbc5d46aaeea817742b8c76c987b87d2490c85Chris Lattner virtual void HandleTranslationUnit(ASTContext &C); 1761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17788906cddbb1d5b3a868eeeec6cb170befc829c2fFariborz Jahanian void ReplaceStmt(Stmt *Old, Stmt *New) { 1784c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff Stmt *ReplacingStmt = ReplacedNodes[Old]; 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1804c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff if (ReplacingStmt) 1814c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff return; // We can't rewrite the same node twice. 1824c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff 183b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff if (DisableReplaceStmt) 184b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff return; // Used when rewriting the assignment of a property setter. 185b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff 186f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner // If replacement succeeded or warning disabled return with no warning. 18788906cddbb1d5b3a868eeeec6cb170befc829c2fFariborz Jahanian if (!Rewrite.ReplaceStmt(Old, New)) { 1884c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff ReplacedNodes[Old] = New; 1894c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff return; 1904c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff } 1914c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff if (SilenceRewriteMacroWarning) 192dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner return; 1930a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 1940a14eee528a901c16f0e288fbc10a3abc1660d87Chris Lattner << Old->getSourceRange(); 195dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner } 196b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff 197b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff void ReplaceStmtWithRange(Stmt *Old, Stmt *New, SourceRange SrcRange) { 1987e7492442f32e3abbe246f6bb35568b044c1188bNick Lewycky // Measure the old text. 199b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff int Size = Rewrite.getRangeSize(SrcRange); 200b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff if (Size == -1) { 201b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 202b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff << Old->getSourceRange(); 203b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff return; 204b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff } 205b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // Get the new text. 206b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff std::string SStr; 207b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff llvm::raw_string_ostream S(SStr); 208e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner New->printPretty(S, *Context, 0, PrintingPolicy(LangOpts)); 209b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff const std::string &Str = S.str(); 210b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff 211b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // If replacement succeeded or warning disabled return with no warning. 212d7407dc92c7d19cafce429e7e1cf9819d3fc0b92Daniel Dunbar if (!Rewrite.ReplaceText(SrcRange.getBegin(), Size, Str)) { 213b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff ReplacedNodes[Old] = New; 214b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff return; 215b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff } 216b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff if (SilenceRewriteMacroWarning) 217b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff return; 218b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff Diags.Report(Context->getFullLoc(Old->getLocStart()), RewriteFailedDiag) 219b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff << Old->getSourceRange(); 220b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff } 221b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff 222d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer void InsertText(SourceLocation Loc, llvm::StringRef Str, 223ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff bool InsertAfter = true) { 224aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner // If insertion succeeded or warning disabled return with no warning. 225d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer if (!Rewrite.InsertText(Loc, Str, InsertAfter) || 226f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner SilenceRewriteMacroWarning) 227f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner return; 2281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 229f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner Diags.Report(Context->getFullLoc(Loc), RewriteFailedDiag); 230f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner } 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 232aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner void ReplaceText(SourceLocation Start, unsigned OrigLength, 233d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer llvm::StringRef Str) { 234aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner // If removal succeeded or warning disabled return with no warning. 235d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer if (!Rewrite.ReplaceText(Start, OrigLength, Str) || 236aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner SilenceRewriteMacroWarning) 237aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner return; 2381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 239aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner Diags.Report(Context->getFullLoc(Start), RewriteFailedDiag); 240aadaf78d65daef3ac1b45e4ad6136ce859962fe2Chris Lattner } 2411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 242f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Syntactic Rewriting. 243452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian void RewriteInclude(); 244a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteForwardClassDecl(ObjCClassDecl *Dcl); 245a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff void RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 246a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCImplementationDecl *IMD, 247a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCCategoryImplDecl *CID); 248a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteInterfaceDecl(ObjCInterfaceDecl *Dcl); 2494afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor void RewriteImplementationDecl(Decl *Dcl); 2502d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian void RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 2512d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian ObjCMethodDecl *MDecl, std::string &ResultStr); 2527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian void RewriteTypeIntoString(QualType T, std::string &ResultStr, 2537c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *&FPRetType); 254a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian void RewriteByRefString(std::string &ResultStr, const std::string &Name, 2551e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ValueDecl *VD, bool def=false); 256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteCategoryDecl(ObjCCategoryDecl *Dcl); 257a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteProtocolDecl(ObjCProtocolDecl *Dcl); 258a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteForwardProtocolDecl(ObjCForwardProtocolDecl *Dcl); 259a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteMethodDeclaration(ObjCMethodDecl *Method); 2606327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff void RewriteProperty(ObjCPropertyDecl *prop); 26109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void RewriteFunctionDecl(FunctionDecl *FD); 262fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar void RewriteBlockPointerType(std::string& Str, QualType Type); 263fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD); 264abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD); 265a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl); 2664c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian void RewriteTypeOfDecl(VarDecl *VD); 2674f95b750534f2111f28434b282bcbd5656002816Steve Naroff void RewriteObjCQualifiedInterfaceTypes(Expr *E); 268d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff bool needToScanForQualifiers(QualType T); 269874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType getSuperStructType(); 270d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType getConstantStringStructType(); 2711f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 272baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 2731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 274f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Expression Rewriting. 275f3473a7e48dfaaa88f58dd9304856e16754f9b1cSteve Naroff Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S); 276c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff void CollectPropertySetters(Stmt *S); 2771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2788599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Stmt *CurrentBody; 2798599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff ParentMap *PropParentMap; // created lazily. 2801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 281e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp); 2822b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV, SourceLocation OrigStart, 2832b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool &replaced); 2842b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *RewriteObjCNestedIvarRefExpr(Stmt *S, bool &replaced); 285f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Stmt *RewritePropertyOrImplicitGetter(Expr *PropOrGetterRefExpr); 286f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Stmt *RewritePropertyOrImplicitSetter(BinaryOperator *BinOp, Expr *newStmt, 287b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange); 288b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp); 289e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp); 290beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp); 29136ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 292b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void WarnAboutReturnGotoStmts(Stmt *S); 293b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void HasReturnStmts(Stmt *S, bool &hasReturns); 294b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void RewriteTryReturnStmts(Stmt *S); 295b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void RewriteSyncReturnStmts(Stmt *S, std::string buf); 296a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 297a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 298a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 299338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 300338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner SourceLocation OrigEnd); 30142f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian bool IsDeclStmtInForeachHeader(DeclStmt *DS); 3021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 3031d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Expr **args, unsigned nargs, 3041d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc=SourceLocation(), 3051d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc=SourceLocation()); 3061d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 3071d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc=SourceLocation(), 3081d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc=SourceLocation()); 309e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 310e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 31133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void SynthMsgSendFunctionDecl(); 314874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff void SynthMsgSendSuperFunctionDecl(); 31580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian void SynthMsgSendStretFunctionDecl(); 316acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 31780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 31809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void SynthGetClassFunctionDecl(); 3199bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff void SynthGetMetaClassFunctionDecl(); 320d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 321a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian void SynthSelGetUidFunctionDecl(); 322c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff void SynthSuperContructorFunctionDecl(); 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 324f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Metadata emission. 325a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 326ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result); 3271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 328a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 329ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result); 3301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 331653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor template<typename MethodIterator> 332653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 333653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor MethodIterator MethodEnd, 3348e991ba2e256e56959a65a049e161aa30b3c0decFariborz Jahanian bool IsInstanceMethod, 3354087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3364087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 337158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner std::string &Result); 3381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 339621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 3404087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3414087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 342621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result); 343621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void RewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Prots, 3444087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3454087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 346621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result); 347a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl, 34826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result); 3492d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian void SynthesizeIvarOffsetComputation(ObjCIvarDecl *ivar, 35026e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result); 351ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff void RewriteImplementations(); 352ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff void SynthesizeMetaDataIntoBuffer(std::string &Result); 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Block rewriting. 3551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 35654055232a5ddb9529726e934301b125cb720a273Steve Naroff void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35854055232a5ddb9529726e934301b125cb720a273Steve Naroff void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 35954055232a5ddb9529726e934301b125cb720a273Steve Naroff void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Block specific rewrite rules. 36254055232a5ddb9529726e934301b125cb720a273Steve Naroff void RewriteBlockPointerDecl(NamedDecl *VD); 36352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian void RewriteByRefVar(VarDecl *VD); 364ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 365f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian Stmt *RewriteBlockDeclRefExpr(Expr *VD); 3666cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 36754055232a5ddb9529726e934301b125cb720a273Steve Naroff void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 3704087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, std::string Tag); 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 3724087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, std::string Tag); 37301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string SynthesizeBlockImpl(BlockExpr *CE, 37401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string Tag, std::string Desc); 37501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string SynthesizeBlockDescriptor(std::string DescTag, 37601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string ImplTag, 3774087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar int i, llvm::StringRef funcName, 37801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned hasCopy); 3798a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 38054055232a5ddb9529726e934301b125cb720a273Steve Naroff void SynthesizeBlockLiterals(SourceLocation FunLocStart, 3814087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName); 3823d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff void RewriteRecordBody(RecordDecl *RD); 3831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38454055232a5ddb9529726e934301b125cb720a273Steve Naroff void CollectBlockDeclRefInfo(BlockExpr *Exp); 38554055232a5ddb9529726e934301b125cb720a273Steve Naroff void GetBlockDeclRefExprs(Stmt *S); 3865e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 3875e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 38872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 3891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39054055232a5ddb9529726e934301b125cb720a273Steve Naroff // We avoid calling Type::isBlockPointerType(), since it operates on the 39154055232a5ddb9529726e934301b125cb720a273Steve Naroff // canonical type. We only care if the top-level type is a closure pointer. 3928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool isTopLevelBlockPointerType(QualType T) { 3938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return isa<BlockPointerType>(T); 3948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3964fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 3974fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 3984fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian /// otherwise. 3994fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 4004fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 4014fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 4024fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 4034fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian return true; 4044fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian } 4054fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian return false; 4064fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian } 4074fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian 4088188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 4098188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian if (T->isObjCQualifiedIdType()) 4108188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T = Context->getObjCIdType(); 4118188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian else if (T->isObjCQualifiedClassType()) 4128188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T = Context->getObjCClassType(); 4138188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian else if (T->isObjCObjectPointerType() && 4148188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) 4158188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T = Context->getObjCIdType(); 4168188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian } 4178188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian 41854055232a5ddb9529726e934301b125cb720a273Steve Naroff // FIXME: This predicate seems like it would be useful to add to ASTContext. 41954055232a5ddb9529726e934301b125cb720a273Steve Naroff bool isObjCType(QualType T) { 42054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 42154055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 4221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42354055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 4241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 42654055232a5ddb9529726e934301b125cb720a273Steve Naroff OCT == Context->getCanonicalType(Context->getObjCClassType())) 42754055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 4281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = OCT->getAs<PointerType>()) { 4301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 431d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff PT->getPointeeType()->isObjCQualifiedIdType()) 43254055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 43354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 43454055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 43554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 43654055232a5ddb9529726e934301b125cb720a273Steve Naroff bool PointerTypeTakesAnyBlockArguments(QualType QT); 437e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 4388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void GetExtentOfArgList(const char *Name, const char *&LParen, 4398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const char *&RParen); 440b2f9e516327310d95840d442416084508f80c183Steve Naroff void RewriteCastExpr(CStyleCastExpr *CE); 4411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4424087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FunctionDecl *SynthBlockInitFunctionDecl(llvm::StringRef name); 4435e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 4445e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian const llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs); 4451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 446621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void QuoteDoublequotes(std::string &From, std::string &To) { 4471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (unsigned i = 0; i < From.length(); i++) { 448621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (From[i] == '"') 449621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff To += "\\\""; 450621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 451621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff To += From[i]; 452621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 453621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 454e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 455e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getSimpleFunctionType(QualType result, 456e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *args, 457e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned numArgs, 458e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool variadic = false) { 459e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo fpi; 460e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall fpi.Variadic = variadic; 461e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return Context->getFunctionType(result, args, numArgs, fpi); 462e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 46377cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner }; 4649d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 4659d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall // Helper function: create a CStyleCastExpr with trivial type source info. 4669d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 4672de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CastKind Kind, Expr *E) { 4689d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 469f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 470f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation(), SourceLocation()); 4719d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall } 47277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner} 47377cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 4751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *D) { 476f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const FunctionProtoType *fproto 477723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 47954055232a5ddb9529726e934301b125cb720a273Steve Naroff E = fproto->arg_type_end(); I && (I != E); ++I) 48001f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(*I)) { 48154055232a5ddb9529726e934301b125cb720a273Steve Naroff // All the args are checked/rewritten. Don't call twice! 48254055232a5ddb9529726e934301b125cb720a273Steve Naroff RewriteBlockPointerDecl(D); 48354055232a5ddb9529726e934301b125cb720a273Steve Naroff break; 48454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 48554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 48654055232a5ddb9529726e934301b125cb720a273Steve Naroff} 48754055232a5ddb9529726e934301b125cb720a273Steve Naroff 48854055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 4896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const PointerType *PT = funcType->getAs<PointerType>(); 49054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 49172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 49254055232a5ddb9529726e934301b125cb720a273Steve Naroff} 49354055232a5ddb9529726e934301b125cb720a273Steve Naroff 494b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 495b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 4961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 497b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian if (DotPos == std::string::npos) { 498b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // no file extension 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 500b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian } 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 502b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 503b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // C header: .h 504b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // C++ header: .hh or .H; 505b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 5061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 507b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian 50866d6f048471aad6daf67b3ea804b54fbea72a076Eli FriedmanRewriteObjC::RewriteObjC(std::string inFile, llvm::raw_ostream* OS, 509c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman Diagnostic &D, const LangOptions &LOpts, 510c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool silenceMacroWarn) 511c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 512c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman SilenceRewriteMacroWarning(silenceMacroWarn) { 513a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff IsHeader = IsHeaderFile(inFile); 5141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RewriteFailedDiag = Diags.getCustomDiagID(Diagnostic::Warning, 515a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff "rewriting sub-expression within a macro (may not be correct)"); 5161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TryFinallyContainsReturnDiag = Diags.getCustomDiagID(Diagnostic::Warning, 5178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek "rewriter doesn't support user-specified control flow semantics " 5188189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek "for @try/@finally (code may not execute properly)"); 519a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff} 520a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff 521bce831b1ecda51cd1abd3c07467294ffd21f5f86Eli FriedmanASTConsumer *clang::CreateObjCRewriter(const std::string& InFile, 522bce831b1ecda51cd1abd3c07467294ffd21f5f86Eli Friedman llvm::raw_ostream* OS, 5231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diagnostic &Diags, 524c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman const LangOptions &LOpts, 525c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool SilenceRewriteMacroWarning) { 526c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman return new RewriteObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 527e365c50a21cb02e0219433db0c4461566ad4a597Chris Lattner} 52877cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 529b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::Initialize(ASTContext &context) { 5309e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner Context = &context; 5319e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SM = &Context->getSourceManager(); 532ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TUDecl = Context->getTranslationUnitDecl(); 5339e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendFunctionDecl = 0; 5349e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendSuperFunctionDecl = 0; 5359e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendStretFunctionDecl = 0; 5369e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendSuperStretFunctionDecl = 0; 5379e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendFpretFunctionDecl = 0; 5389e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner GetClassFunctionDecl = 0; 5399e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner GetMetaClassFunctionDecl = 0; 540d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian GetSuperClassFunctionDecl = 0; 5419e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SelGetUidFunctionDecl = 0; 5429e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner CFStringFunctionDecl = 0; 5439e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner ConstantStringClassReference = 0; 5449e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner NSStringRecord = 0; 54554055232a5ddb9529726e934301b125cb720a273Steve Naroff CurMethodDef = 0; 54654055232a5ddb9529726e934301b125cb720a273Steve Naroff CurFunctionDef = 0; 547abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 548b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff GlobalVarDecl = 0; 5499e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SuperStructDecl = 0; 550621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolTypeDecl = 0; 5519630ec5b6785e5b6e1c71aeddcad05005beb7483Steve Naroff ConstantStringDecl = 0; 5529e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner BcLabelCount = 0; 553c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff SuperContructorFunctionDecl = 0; 554d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff NumObjCStringLiterals = 0; 55568272b86b36f89d7ceba1ec9a2826c2126adc72eSteve Naroff PropParentMap = 0; 55668272b86b36f89d7ceba1ec9a2826c2126adc72eSteve Naroff CurrentBody = 0; 557b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = false; 558f292fcf6bd5118499a830e0950429effeb373c28Fariborz Jahanian objc_impl_method = false; 5591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5609e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // Get the ID and start/end of the main file. 5619e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileID = SM->getMainFileID(); 5629e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 5639e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileStart = MainBuf->getBufferStart(); 5649e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileEnd = MainBuf->getBufferEnd(); 5651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5662c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOptions()); 5671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5689e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // declaring objc_selector outside the parameter list removes a silly 5699e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // scope related warning... 570ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff if (IsHeader) 57162c2632c555bc701d41f0eb1803bbf0660d7f0c0Steve Naroff Preamble = "#pragma once\n"; 572ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct objc_selector; struct objc_class;\n"; 57346a98a7df016b4a6835a1902c2f8ff2a3a8012baSteve Naroff Preamble += "struct __rw_objc_super { struct objc_object *object; "; 574ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct objc_object *superClass; "; 575c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff if (LangOpts.Microsoft) { 576c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff // Add a constructor for creating temporary objects. 5778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 5788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ": "; 579ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "object(o), superClass(s) {} "; 580c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff } 581ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "};\n"; 582ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 583ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "typedef struct objc_object Protocol;\n"; 584ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define _REWRITER_typedef_Protocol\n"; 585ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 5864ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff if (LangOpts.Microsoft) { 5874ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 5884ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 5894ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff } else 5907c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 5914ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend"; 592ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5934ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper"; 594ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 5954ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend_stret"; 596ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5974ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper_stret"; 598ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 5994ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret"; 600ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 6014ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 602ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(const char *);\n"; 603d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 604d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 6054ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 606ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(const char *);\n"; 6074ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n"; 6084ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n"; 6094ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n"; 6104ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n"; 6114ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match"; 612580ca7859330f8c92a66b09c21399ed9efa3991eSteve Naroff Preamble += "(struct objc_class *, struct objc_object *);\n"; 61359f05a48a7b0353090da2b8f878c2d760e55731cSteve Naroff // @synchronized hooks. 6144ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter(struct objc_object *);\n"; 6154ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit(struct objc_object *);\n"; 6164ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 617ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 618ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct __objcFastEnumerationState {\n\t"; 619ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long state;\n\t"; 620b10f273eb60db2f2205b955fe4f7a43e09a5e2f2Steve Naroff Preamble += "void **itemsPtr;\n\t"; 621ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long *mutationsPtr;\n\t"; 622ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long extra[5];\n};\n"; 6234ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 624ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define __FASTENUMERATIONSTATE\n"; 625ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 626ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 627ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct __NSConstantStringImpl {\n"; 628ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " int *isa;\n"; 629ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " int flags;\n"; 630ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " char *str;\n"; 631ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " long length;\n"; 632ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "};\n"; 63388bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 63488bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 63588bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#else\n"; 6364ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 63788bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#endif\n"; 638ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 639ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 64054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Blocks preamble. 64154055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#ifndef BLOCK_IMPL\n"; 64254055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#define BLOCK_IMPL\n"; 64354055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "struct __block_impl {\n"; 64454055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " void *isa;\n"; 64554055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " int Flags;\n"; 64601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Preamble += " int Reserved;\n"; 64754055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " void *FuncPtr;\n"; 64854055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "};\n"; 6495bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 650c9c1e9c4b513e83146eff1728142683980df26a7Steve Naroff Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 6517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 6527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 653a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 654a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 655a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 656a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "#else\n"; 657cd826370bb146a25bddea48399953dd3077710cfSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 658cd826370bb146a25bddea48399953dd3077710cfSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 659a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 660a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 661a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "#endif\n"; 66254055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#endif\n"; 663a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff if (LangOpts.Microsoft) { 6644ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 6654ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 666553e583e1d30fe30ac2de3526536bbebee6da1ceChris Lattner Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 667a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff Preamble += "#define __attribute__(X)\n"; 668553e583e1d30fe30ac2de3526536bbebee6da1ceChris Lattner Preamble += "#endif\n"; 66934204195de802e9d3cc8d54355b2ad4b3c27f188Fariborz Jahanian Preamble += "#define __weak\n"; 670a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff } 6712086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian else { 67252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Preamble += "#define __block\n"; 6732086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian Preamble += "#define __weak\n"; 6742086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian } 675df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 676df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 677df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 6789e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner} 6799e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner 6809e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner 681f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 682f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner// Top Level Driver Code 683f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 684f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 685682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattnervoid RewriteObjC::HandleTopLevelSingleDecl(Decl *D) { 686e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek if (Diags.hasErrorOccurred()) 687e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek return; 688e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek 6892c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // Two cases: either the decl could be in the main file, or it could be in a 6902c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // #included file. If the former, rewrite it now. If the later, check to see 6912c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // if we rewrote the #include/#import. 6922c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner SourceLocation Loc = D->getLocation(); 693f7cf85b330bedd2877e1371fb0a83e99751ae162Chris Lattner Loc = SM->getInstantiationLoc(Loc); 6941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6952c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // If this is for a builtin, ignore it. 6962c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner if (Loc.isInvalid()) return; 6972c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner 698ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Look for built-in declarations that we need to refer during the rewrite. 699ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 70009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff RewriteFunctionDecl(FD); 701248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 702beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // declared in <Foundation/NSString.h> 7034087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar if (FVD->getName() == "_NSConstantStringClassReference") { 704beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ConstantStringClassReference = FVD; 705beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return; 706beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff } 707a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCInterfaceDecl *MD = dyn_cast<ObjCInterfaceDecl>(D)) { 708bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff RewriteInterfaceDecl(MD); 709a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 710423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff RewriteCategoryDecl(CD); 711a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 712752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff RewriteProtocolDecl(PD); 7131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (ObjCForwardProtocolDecl *FP = 714a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek dyn_cast<ObjCForwardProtocolDecl>(D)){ 715d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian RewriteForwardProtocolDecl(FP); 716d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 717d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor // Recurse into linkage specifications 71817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (DeclContext::decl_iterator DI = LSD->decls_begin(), 71917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DIEnd = LSD->decls_end(); 720d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor DI != DIEnd; ++DI) 721682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner HandleTopLevelSingleDecl(*DI); 722ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff } 723f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // If we have a decl in the main file, see if we should rewrite it. 724cf7e958483735935de6e0a64aa1e55a967116303Ted Kremenek if (SM->isFromMainFile(Loc)) 7252c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner return HandleDeclInMainFile(D); 7262c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner} 7272c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner 728f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 729f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner// Syntactic (non-AST) Rewriting Code 730f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 731f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 732b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteInclude() { 7332b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 734f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer llvm::StringRef MainBuf = SM->getBufferData(MainFileID); 735f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer const char *MainBufStart = MainBuf.begin(); 736f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer const char *MainBufEnd = MainBuf.end(); 737452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian size_t ImportLen = strlen("import"); 7381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 739af57b46f12e9dd48485fa27f2088f85466ee9292Fariborz Jahanian // Loop over the whole file, looking for includes. 740452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 741452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (*BufPtr == '#') { 742452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (++BufPtr == MainBufEnd) 743452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian return; 744452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 745452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (++BufPtr == MainBufEnd) 746452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian return; 747452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 748452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian // replace import with include 7491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ImportLoc = 750452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian LocStart.getFileLocWithOffset(BufPtr-MainBufStart); 751d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(ImportLoc, ImportLen, "include"); 752452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian BufPtr += ImportLen; 753452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 754452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 755452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 7568a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner} 7578a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner 7582d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 7592d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 760eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff std::string S; 761eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S = "((struct "; 762eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S += ClassDecl->getIdentifier()->getName(); 763eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S += "_IMPL *)self)->"; 7645ffe14ca96bd662de7820f6875d3f04789a640c1Daniel Dunbar S += OID->getName(); 765eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return S; 766eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff} 767eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff 768a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroffvoid RewriteObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 769a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCImplementationDecl *IMD, 770a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCCategoryImplDecl *CID) { 7717c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian static bool objcGetPropertyDefined = false; 7727c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian static bool objcSetPropertyDefined = false; 773d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff SourceLocation startLoc = PID->getLocStart(); 774d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, "// "); 775eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 776eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff assert((*startBuf == '@') && "bogus @synthesize location"); 777eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 778eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 7798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation onePastSemiLoc = 7808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 781eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff 782eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 783eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return; // FIXME: is this correct? 7841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 785eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff // Generate the 'getter' function. 786eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCPropertyDecl *PD = PID->getPropertyDecl(); 787eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 7881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 789dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff if (!OID) 790dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff return; 7917c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 792ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 793ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 794ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 795ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 796ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian std::string Getr; 797ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 798ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian objcGetPropertyDefined = true; 799ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 800ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 801ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 802ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 803ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 804ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 805ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "{ "; 806ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 807ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 808ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (GenGetProperty) { 809ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 810ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "typedef "; 811ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian const FunctionType *FPRetType = 0; 812ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 813ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian FPRetType); 814ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += " _TYPE"; 815ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (FPRetType) { 816ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 8177c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 818ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // Now, emit the argument types (if any). 819ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 820ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "("; 821ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 822ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (i) Getr += ", "; 823ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 824ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Context->PrintingPolicy); 825ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ParamStr; 826ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 827ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (FT->isVariadic()) { 828ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 829ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "..."; 830ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 831ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ")"; 832ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } else 833ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "()"; 834ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 835ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ";\n"; 836ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "return (_TYPE)"; 837ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 838ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian SynthesizeIvarOffsetComputation(OID, Getr); 839ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ", 1)"; 8407c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 841ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian else 842ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 843ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "; }"; 844ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 8457c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 846ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian 847ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 848eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return; 8491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 850eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff // Generate the 'setter' function. 851eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff std::string Setr; 8527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 8537c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 8547c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 8557c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian objcSetPropertyDefined = true; 8567c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 8577c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 8587c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 8597c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8607c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 8612d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 8622d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 863eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff Setr += "{ "; 864dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff // Synthesize an explicit cast to initialize the ivar. 86515f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // See objc-act.c:objc_synthesize_new_setter() for details. 8667c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenSetProperty) { 8677c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 8682d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian SynthesizeIvarOffsetComputation(OID, Setr); 8697c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += ", (id)"; 8704087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Setr += PD->getName(); 8717c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += ", "; 8727c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 8737c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "0, "; 8747c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8757c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "1, "; 8767c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 8777c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "1)"; 8787c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8797c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "0)"; 8807c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8817c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else { 8822d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 8834087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Setr += PD->getName(); 8847c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 885dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff Setr += "; }"; 886d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, Setr); 887d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff} 8888a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner 889b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteForwardClassDecl(ObjCClassDecl *ClassDecl) { 890f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Get the start location and compute the semi location. 891f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner SourceLocation startLoc = ClassDecl->getLocation(); 892f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner const char *startBuf = SM->getCharacterData(startLoc); 893f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner const char *semiPtr = strchr(startBuf, ';'); 8941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 895f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Translate to typedef's that forward reference structs with the same name 896f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // as the class. As a convenience, we include the original declaration 897f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // as a comment. 898f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner std::string typedefString; 89991fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += "// @class "; 90091fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian for (ObjCClassDecl::iterator I = ClassDecl->begin(), E = ClassDecl->end(); 90191fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian I != E; ++I) { 90291fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = I->getInterface(); 90391fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 90491fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian if (I+1 != E) 90591fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ", "; 90691fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian else 90791fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ";\n"; 90891fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian } 90991fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian 91067956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner for (ObjCClassDecl::iterator I = ClassDecl->begin(), E = ClassDecl->end(); 91167956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner I != E; ++I) { 912321c22f1c4271c3d9a3d4d3fc18847f948ab595bTed Kremenek ObjCInterfaceDecl *ForwardDecl = I->getInterface(); 91332174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "#ifndef _REWRITER_typedef_"; 914d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 91532174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "\n"; 91632174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "#define _REWRITER_typedef_"; 917d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 91832174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "\n"; 919352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff typedefString += "typedef struct objc_object "; 920d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 92132174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += ";\n#endif\n"; 922934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 9231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 924934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Replace the @class with typedefs corresponding to the classes. 925d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 926f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner} 927f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 928b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 929d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 930d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian // nothing to rewrite. 931d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian if (Method->isSynthesized()) 932d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian return; 93358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation LocStart = Method->getLocStart(); 93458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation LocEnd = Method->getLocEnd(); 9351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93630fc933e5fbbb5f0ea60c47976d435254e378536Chris Lattner if (SM->getInstantiationLineNumber(LocEnd) > 93730fc933e5fbbb5f0ea60c47976d435254e378536Chris Lattner SM->getInstantiationLineNumber(LocStart)) { 938d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocStart, "#if 0\n"); 939d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocEnd, 1, ";\n#endif\n"); 94058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } else { 941d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocStart, "// "); 942423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff } 943423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff} 944423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 9451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::RewriteProperty(ObjCPropertyDecl *prop) { 946d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 9471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 948d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(Loc, 0, "// "); 9496327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff // FIXME: handle properties that are declared across multiple lines. 950957cf65bf32fe7c84886a2296d0b4ede40029850Fariborz Jahanian} 951957cf65bf32fe7c84886a2296d0b4ede40029850Fariborz Jahanian 952b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 953423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation LocStart = CatDecl->getLocStart(); 9541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 955423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // FIXME: handle category headers that are declared across multiple lines. 956d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95813751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 95913751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 96013751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian RewriteProperty(*I); 96113751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian 9621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCCategoryDecl::instmeth_iterator 9631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 9646ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 96558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCCategoryDecl::classmeth_iterator 96717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 9686ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 96958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 97058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 971423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // Lastly, comment out the @end. 97273d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 97373d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian strlen("@end"), "/* @end */"); 974423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff} 975423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 976b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 977752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff SourceLocation LocStart = PDecl->getLocStart(); 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 979752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff // FIXME: handle protocol headers that are declared across multiple lines. 980d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::instmeth_iterator 9831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 9846ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 98558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 9866ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (ObjCProtocolDecl::classmeth_iterator 98717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 9886ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 98958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 99058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 99107acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 99207acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 99307acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian RewriteProperty(*I); 99407acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian 995752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff // Lastly, comment out the @end. 996782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 99773d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 9988cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff 999b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian // Must comment out @optional/@required 1000b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 1001b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1002b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 1003b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 10048cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff SourceLocation OptionalLoc = LocStart.getFileLocWithOffset(p-startBuf); 1005d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 10061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1007b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 1008b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 10098cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff SourceLocation OptionalLoc = LocStart.getFileLocWithOffset(p-startBuf); 1010d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 10111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1012b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 1013b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 1014752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff} 1015752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff 1016b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteForwardProtocolDecl(ObjCForwardProtocolDecl *PDecl) { 1017d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian SourceLocation LocStart = PDecl->getLocation(); 1018b7fa992be16668b61f722e6e125137216860469eSteve Naroff if (LocStart.isInvalid()) 1019b7fa992be16668b61f722e6e125137216860469eSteve Naroff assert(false && "Invalid SourceLocation"); 1020d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 1021d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 1022d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian} 1023d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian 10247c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanianvoid RewriteObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 10257c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *&FPRetType) { 10267c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (T->isObjCQualifiedIdType()) 1027c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian ResultStr += "id"; 10287c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else if (T->isFunctionPointerType() || 10297c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian T->isBlockPointerType()) { 103076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // needs special handling, since pointer-to-functions have special 103176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // syntax (where a decaration models use). 10327c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian QualType retType = T; 1033f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff QualType PointeeTy; 10346217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* PT = retType->getAs<PointerType>()) 1035f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff PointeeTy = PT->getPointeeType(); 10366217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 1037f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff PointeeTy = BPT->getPointeeType(); 1038183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 1039fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += FPRetType->getResultType().getAsString( 1040fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 1041f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff ResultStr += "(*"; 104276e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 104376e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } else 1044fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += T.getAsString(Context->PrintingPolicy); 10457c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian} 10467c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 10472d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanianvoid RewriteObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 10482d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian ObjCMethodDecl *OMD, 10497c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian std::string &ResultStr) { 10507c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 10517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *FPRetType = 0; 10527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ResultStr += "\nstatic "; 10537c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 1054531a1ea2f4c88817f3dc0f4628dfc34536f54c5eFariborz Jahanian ResultStr += " "; 10551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 105648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Unique method name 1057b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian std::string NameStr; 10581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1059f8d49f64ef6ab7e632717a31631fc289aab69428Douglas Gregor if (OMD->isInstanceMethod()) 1060b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_I_"; 106148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian else 1062b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_C_"; 10631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10642d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian NameStr += IDecl->getNameAsString(); 1065b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_"; 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ObjCCategoryImplDecl *CID = 10683e0a540b6d846178857289ec0eb8470a278d11a3Steve Naroff dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 1069d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner NameStr += CID->getNameAsString(); 1070b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_"; 107148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 10721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Append selector names, replacing ':' with '_' 1073077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner { 1074077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner std::string selString = OMD->getSelector().getAsString(); 107548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian int len = selString.size(); 107648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian for (int i = 0; i < len; i++) 107748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian if (selString[i] == ':') 107848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian selString[i] = '_'; 1079b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += selString; 108048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 1081b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian // Remember this name for metadata emission 1082b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 1083b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian ResultStr += NameStr; 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Rewrite arguments 108648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += "("; 10871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // invisible arguments 1089f8d49f64ef6ab7e632717a31631fc289aab69428Douglas Gregor if (OMD->isInstanceMethod()) { 10902d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 109148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 109205b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff if (!LangOpts.Microsoft) { 10932d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 109405b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff ResultStr += "struct "; 109505b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff } 109605b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff // When rewriting for Microsoft, explicitly omit the structure name. 10972d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 109861ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff ResultStr += " *"; 109948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 110048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian else 1101fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += Context->getObjCClassType().getAsString( 1102fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += " self, "; 1105fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += Context->getObjCSelType().getAsString(Context->PrintingPolicy); 110648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += " _cmd"; 11071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Method arguments. 110989951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 111089951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) { 111189951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PDecl = *PI; 111248a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += ", "; 1113543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff if (PDecl->getType()->isObjCQualifiedIdType()) { 1114543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff ResultStr += "id "; 1115d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += PDecl->getNameAsString(); 1116543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff } else { 1117d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = PDecl->getNameAsString(); 11184fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QualType QT = PDecl->getType(); 11194fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 11204fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 11214fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QT.getAsStringInternal(Name, Context->PrintingPolicy); 11224fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian else 1123d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor PDecl->getType().getAsStringInternal(Name, Context->PrintingPolicy); 1124543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff ResultStr += Name; 1125543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff } 112648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 11277c39ff7eb3dd7ae9b2b81cb66a139c9b52f47f1dFariborz Jahanian if (OMD->isVariadic()) 11287c39ff7eb3dd7ae9b2b81cb66a139c9b52f47f1dFariborz Jahanian ResultStr += ", ..."; 1129531a1ea2f4c88817f3dc0f4628dfc34536f54c5eFariborz Jahanian ResultStr += ") "; 11301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FPRetType) { 113276e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ")"; // close the precedence "scope" for "*". 11331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // Now, emit the argument types (if any). 113572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 113676e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "("; 113776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 113876e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (i) ResultStr += ", "; 1139fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string ParamStr = FT->getArgType(i).getAsString( 1140fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 114176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ParamStr; 114276e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 114376e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FT->isVariadic()) { 114476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FT->getNumArgs()) ResultStr += ", "; 114576e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "..."; 114676e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 114776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ")"; 114876e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } else { 114976e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "()"; 115076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 115176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 115248a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian} 11534afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorvoid RewriteObjC::RewriteImplementationDecl(Decl *OID) { 1154a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 1155a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1157a135216595c00ddb5ce5f5b853a3d1f4037a13b7Fariborz Jahanian InsertText(IMD ? IMD->getLocStart() : CID->getLocStart(), "// "); 11581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1159a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek for (ObjCCategoryImplDecl::instmeth_iterator 116017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 116117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 1162653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 116348a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian std::string ResultStr; 1164a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *OMD = *I; 11652d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 116648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 11676fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 1168d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 116948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 117048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1171d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, ResultStr); 117248a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 11731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1174a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek for (ObjCCategoryImplDecl::classmeth_iterator 117517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 117617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 1177653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 117848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian std::string ResultStr; 1179a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *OMD = *I; 11802d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 118148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 11826fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 11831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 118548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1186d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, ResultStr); 118748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 1188d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff for (ObjCCategoryImplDecl::propimpl_iterator 118917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 11901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 1191653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 1192a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff RewritePropertyImplDecl(*I, IMD, CID); 1193d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff } 1194d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff 1195d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 119648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian} 119748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian 1198b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 1199f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff std::string ResultStr; 1200a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCForwardDecls.count(ClassDecl)) { 12016c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff // we haven't seen a forward decl - generate a typedef. 12025086a8df9a269acc2e4f0deb1895d4a9e9d13f4dSteve Naroff ResultStr = "#ifndef _REWRITER_typedef_"; 1203d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 120432174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "\n"; 120532174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "#define _REWRITER_typedef_"; 1206d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 120732174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "\n"; 120861ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff ResultStr += "typedef struct objc_object "; 1209d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 121032174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += ";\n#endif\n"; 12116c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff // Mark this typedef as having been generated. 1212a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCForwardDecls.insert(ClassDecl); 12136c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff } 1214a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek SynthesizeObjCInternalStruct(ClassDecl, ResultStr); 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 121717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = ClassDecl->prop_end(); I != E; ++I) 12186327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff RewriteProperty(*I); 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::instmeth_iterator 122017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 12216ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 122258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::classmeth_iterator 12241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 12256ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 122658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 122758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 12282feac5e559ca5c9693a3a19905ab106b9c52e193Steve Naroff // Lastly, comment out the @end. 122973d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 123073d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian "/* @end */"); 1231bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff} 1232bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff 1233f2ad2c92720f0e25c032188783a1d6374155f03aFariborz JahanianStmt *RewriteObjC::RewritePropertyOrImplicitSetter(BinaryOperator *BinOp, Expr *newStmt, 1234b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange) { 1235f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMethodDecl *OMD = 0; 1236f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian QualType Ty; 1237f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Selector Sel; 123854bd4577762228fdca4367dbc3af5e13e7f21389Duncan Sands Stmt *Receiver = 0; 12398ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian bool Super = false; 12408ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian QualType SuperTy; 12418ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SourceLocation SuperLocation; 1242f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SourceLocation SelectorLoc; 1243f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr or ObjCImplicitSetterGetterRefExpr. 1244c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // This allows us to reuse all the fun and games in SynthMessageExpr(). 124512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (ObjCPropertyRefExpr *PropRefExpr = 124612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall dyn_cast<ObjCPropertyRefExpr>(BinOp->getLHS())) { 1247f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SelectorLoc = PropRefExpr->getLocation(); 124812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (PropRefExpr->isExplicitProperty()) { 124912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ObjCPropertyDecl *PDecl = PropRefExpr->getExplicitProperty(); 125012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PDecl->getSetterMethodDecl(); 125112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PDecl->getType(); 125212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = PDecl->getSetterName(); 125312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 125412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PropRefExpr->getImplicitPropertySetter(); 125512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = OMD->getSelector(); 125612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PropRefExpr->getType(); 125712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } 12588ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Super = PropRefExpr->isSuperReceiver(); 125912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (!Super) { 12608ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Receiver = PropRefExpr->getBase(); 126112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 126212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperTy = PropRefExpr->getSuperReceiverType(); 126312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperLocation = PropRefExpr->getReceiverLocation(); 12648ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian } 1265f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian } 1266f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 1267f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian assert(OMD && "RewritePropertyOrImplicitSetter - null OMD"); 1268c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff llvm::SmallVector<Expr *, 1> ExprVec; 1269c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff ExprVec.push_back(newStmt); 12701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1271f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMessageExpr *MsgExpr; 12728ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian if (Super) 127304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1274f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1275f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 127604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME?*/SourceLocation(), 12778ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperLocation, 127804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*IsInstanceSuper=*/true, 12798ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperTy, 1280f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 128104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ExprVec[0], 1, 128204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1283e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian else { 1284e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // FIXME. Refactor this into common code with that in 1285e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // RewritePropertyOrImplicitGetter 1286e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian assert(Receiver && "RewritePropertyOrImplicitSetter - null Receiver"); 1287e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (Expr *Exp = dyn_cast<Expr>(Receiver)) 1288e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (PropGetters[Exp]) 1289e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // This allows us to handle chain/nested property/implicit getters. 1290e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian Receiver = PropGetters[Exp]; 1291e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian 129204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1293f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1294f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 129504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME: */SourceLocation(), 129604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver), 1297f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 129804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ExprVec[0], 1, 129904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1300e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian } 1301c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *ReplacingStmt = SynthMessageExpr(MsgExpr); 13021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1303c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Now do the actual rewrite. 1304b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff ReplaceStmtWithRange(BinOp, ReplacingStmt, SrcRange); 1305e58ee0ca7cfad6ee75a088e7a6a090526e18da50Steve Naroff //delete BinOp; 13068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 13078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 13088189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 1309c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff return ReplacingStmt; 131015f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff} 131115f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 1312f2ad2c92720f0e25c032188783a1d6374155f03aFariborz JahanianStmt *RewriteObjC::RewritePropertyOrImplicitGetter(Expr *PropOrGetterRefExpr) { 1313f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr or ImplicitGetter. 131415f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // This allows us to reuse all the fun and games in SynthMessageExpr(). 13153b562af1b3675d22e8ad0cef6f48343b3c2ee02dTed Kremenek Stmt *Receiver = 0; 1316f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMethodDecl *OMD = 0; 1317f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian QualType Ty; 1318f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Selector Sel; 13198ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian bool Super = false; 13208ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian QualType SuperTy; 13218ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SourceLocation SuperLocation; 1322f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SourceLocation SelectorLoc; 1323f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian if (ObjCPropertyRefExpr *PropRefExpr = 1324f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian dyn_cast<ObjCPropertyRefExpr>(PropOrGetterRefExpr)) { 1325f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SelectorLoc = PropRefExpr->getLocation(); 132612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (PropRefExpr->isExplicitProperty()) { 132712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ObjCPropertyDecl *PDecl = PropRefExpr->getExplicitProperty(); 132812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PDecl->getGetterMethodDecl(); 132912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PDecl->getType(); 133012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = PDecl->getGetterName(); 133112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 133212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PropRefExpr->getImplicitPropertyGetter(); 133312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = OMD->getSelector(); 133412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PropRefExpr->getType(); 133512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } 13368ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Super = PropRefExpr->isSuperReceiver(); 13378ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian if (!Super) 13388ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Receiver = PropRefExpr->getBase(); 13398ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian else { 134012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperTy = PropRefExpr->getSuperReceiverType(); 134112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperLocation = PropRefExpr->getReceiverLocation(); 13428ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian } 13438599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 1344f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 1345f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian assert (OMD && "RewritePropertyOrImplicitGetter - OMD is null"); 1346f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 1347f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMessageExpr *MsgExpr; 13488ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian if (Super) 134904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1350f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1351f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 1352baac58d1a67aa76199418f82eab69ea36bd99acfFariborz Jahanian PropOrGetterRefExpr->getLocStart(), 13538ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperLocation, 135404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*IsInstanceSuper=*/true, 13558ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperTy, 1356f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 135704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 0, 0, 1358baac58d1a67aa76199418f82eab69ea36bd99acfFariborz Jahanian PropOrGetterRefExpr->getLocEnd()); 1359e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian else { 1360e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian assert (Receiver && "RewritePropertyOrImplicitGetter - Receiver is null"); 1361e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (Expr *Exp = dyn_cast<Expr>(Receiver)) 1362e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (PropGetters[Exp]) 1363e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // This allows us to handle chain/nested property/implicit getters. 1364e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian Receiver = PropGetters[Exp]; 136504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1366f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1367f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 1368baac58d1a67aa76199418f82eab69ea36bd99acfFariborz Jahanian PropOrGetterRefExpr->getLocStart(), 136904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver), 1370f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 137104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 0, 0, 1372baac58d1a67aa76199418f82eab69ea36bd99acfFariborz Jahanian PropOrGetterRefExpr->getLocEnd()); 1373e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian } 137415f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 1375baac58d1a67aa76199418f82eab69ea36bd99acfFariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(MsgExpr, MsgExpr->getLocStart(), 1376baac58d1a67aa76199418f82eab69ea36bd99acfFariborz Jahanian MsgExpr->getLocEnd()); 13778599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff 13788599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (!PropParentMap) 13798599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = new ParentMap(CurrentBody); 13803cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian bool NestedPropertyRef = false; 1381f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Stmt *Parent = PropParentMap->getParent(PropOrGetterRefExpr); 13823cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian ImplicitCastExpr*ICE=0; 13833cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian if (Parent) 13843cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian if ((ICE = dyn_cast<ImplicitCastExpr>(Parent))) { 13853cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian assert((ICE->getCastKind() == CK_GetObjCProperty) 13863cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian && "RewritePropertyOrImplicitGetter"); 13873cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian Parent = PropParentMap->getParent(Parent); 13883cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian NestedPropertyRef = (Parent && isa<ObjCPropertyRefExpr>(Parent)); 13893cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian } 13903cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian if (NestedPropertyRef) { 13918599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // We stash away the ReplacingStmt since actually doing the 13928599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // replacement/rewrite won't work for nested getters (e.g. obj.p.i) 13933cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian PropGetters[ICE] = ReplacingStmt; 13948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 13958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 13968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 1397f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian return PropOrGetterRefExpr; // return the original... 13988599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } else { 1399f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ReplaceStmt(PropOrGetterRefExpr, ReplacingStmt); 14001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // delete PropRefExpr; elsewhere... 14018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 14028189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 14038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 14048599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff return ReplacingStmt; 14058599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 140615f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff} 140715f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 14081eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpStmt *RewriteObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV, 14092b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian SourceLocation OrigStart, 14102b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool &replaced) { 1411a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl *D = IV->getDecl(); 141284ed600154d48d75f204795410aae808d7e4b7bdFariborz Jahanian const Expr *BaseExpr = IV->getBase(); 141354055232a5ddb9529726e934301b125cb720a273Steve Naroff if (CurMethodDef) { 14148f0954309eb885891908ecdfbb06d720c63128edFariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 1415f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const ObjCInterfaceType *iFaceDecl = 141684ed600154d48d75f204795410aae808d7e4b7bdFariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 1417ffbdead156eb0bc94d1cc7e28eadcca52dfb8194Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 1418f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // lookup which class implements the instance variable. 1419f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff ObjCInterfaceDecl *clsDeclared = 0; 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 14216ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor clsDeclared); 1422f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1424f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 1425f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff std::string RecName = clsDeclared->getIdentifier()->getName(); 1426f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff RecName += "_IMPL"; 1427d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer IdentifierInfo *II = &Context->Idents.get(RecName); 1428465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 1429ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 1430ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara II); 1431f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 1432f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 14339d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 1434a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 14359d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall IV->getBase()); 1436f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // Don't forget the parens to enforce the proper binding. 14378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 1438f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall IV->getBase()->getLocEnd(), 1439f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr); 14402b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced = true; 14411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IV->isFreeIvar() && 144254055232a5ddb9529726e934301b125cb720a273Steve Naroff CurMethodDef->getClassInterface() == iFaceDecl->getDecl()) { 14438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek MemberExpr *ME = new (Context) MemberExpr(PE, true, D, 1444f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall IV->getLocation(), 1445f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall D->getType(), 1446f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, OK_Ordinary); 1447f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete IV; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 1448f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff return ME; 1449c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 14507e20ffe322866f6a2e820e054da9bd0f6e9b0af4Fariborz Jahanian // Get the new text 14513b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // Cannot delete IV->getBase(), since PE points to it. 14523b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // Replace the old base with the cast. This is important when doing 14533b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // embedded rewrites. For example, [newInv->_container addObject:0]. 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IV->setBase(PE); 14553b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner return IV; 1456c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 145784472a897a99db80d49eb5ac1ac85d54b1cc6554Steve Naroff } else { // we are outside a method. 14589f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(!IV->isFreeIvar() && "Cannot have a free standing ivar outside a method"); 14591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14609f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Explicit ivar refs need to have a cast inserted. 14619f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // FIXME: consider sharing some of this code with the code above. 146226337b2f6d4b8dc7458a6e24dca05cb021a21861Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 1463f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const ObjCInterfaceType *iFaceDecl = 1464c374cd978abdeb289d360426129886f6e354a459Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 14659f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // lookup which class implements the instance variable. 14669f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff ObjCInterfaceDecl *clsDeclared = 0; 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 14686ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor clsDeclared); 14699f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14719f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 14729f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff std::string RecName = clsDeclared->getIdentifier()->getName(); 14739f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff RecName += "_IMPL"; 1474d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer IdentifierInfo *II = &Context->Idents.get(RecName); 1475465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 1476ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 1477ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara II); 14789f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 14799f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 14809d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 1481a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 14829d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall IV->getBase()); 14839f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Don't forget the parens to enforce the proper binding. 14848189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 14858d36616a093f65f667d22bc1136a4c2be0bae7dfChris Lattner IV->getBase()->getLocEnd(), castExpr); 14862b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced = true; 14879f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Cannot delete IV->getBase(), since PE points to it. 14889f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Replace the old base with the cast. This is important when doing 14899f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // embedded rewrites. For example, [newInv->_container addObject:0]. 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IV->setBase(PE); 14919f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff return IV; 14929f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff } 1493c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 149484472a897a99db80d49eb5ac1ac85d54b1cc6554Steve Naroff return IV; 14957e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff} 14967e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff 14972b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz JahanianStmt *RewriteObjC::RewriteObjCNestedIvarRefExpr(Stmt *S, bool &replaced) { 14987502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) { 14992b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (*CI) { 15002b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt = RewriteObjCNestedIvarRefExpr(*CI, replaced); 15012b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (newStmt) 15022b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian *CI = newStmt; 15032b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 15042b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 15052b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 15062b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 15072b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt = RewriteObjCIvarRefExpr(IvarRefExpr, OrigStmtRange.getBegin(), 15082b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced); 15092b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian return newStmt; 1510376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian } 1511376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian if (ObjCMessageExpr *MsgRefExpr = dyn_cast<ObjCMessageExpr>(S)) { 1512376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian Stmt *newStmt = SynthMessageExpr(MsgRefExpr); 1513376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian return newStmt; 1514376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian } 15152b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian return S; 15162b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian} 15172b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian 1518fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// SynthCountByEnumWithState - To print: 1519fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// ((unsigned int (*) 1520fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 15211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (void *)objc_msgSend)((id)l_collection, 1522fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// sel_registerName( 15231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// "countByEnumeratingWithState:objects:count:"), 15241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// &enumState, 1525fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// (id *)items, (unsigned int)16) 1526fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1527fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroffvoid RewriteObjC::SynthCountByEnumWithState(std::string &buf) { 1528fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 1529fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff "id *, unsigned int))(void *)objc_msgSend)"; 1530fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "\n\t\t"; 1531fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "((id)l_collection,\n\t\t"; 1532fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 1533fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "\n\t\t"; 1534fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "&enumState, " 1535fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff "(id *)items, (unsigned int)16)"; 1536fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 1537b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff 1538fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 1539fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// statement to exit to its outer synthesized loop. 1540fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1541fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteBreakStmt(BreakStmt *S) { 1542fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 1543fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 1544fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // replace break with goto __break_label 1545fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string buf; 15461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1547fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = S->getLocStart(); 1548fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf = "goto __break_label_"; 1549fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += utostr(ObjCBcLabelNo.back()); 1550d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, strlen("break"), buf); 15512bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff 1552fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return 0; 1553fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 1554a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian 1555fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 1556fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// statement to continue with its inner synthesized loop. 1557fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1558fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteContinueStmt(ContinueStmt *S) { 1559fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 1560fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 1561fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // replace continue with goto __continue_label 1562fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string buf; 15631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = S->getLocStart(); 1565fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf = "goto __continue_label_"; 1566fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += utostr(ObjCBcLabelNo.back()); 1567d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, strlen("continue"), buf); 15681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1569e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian return 0; 1570e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian} 1571e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian 1572a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 157310d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// It rewrites: 157410d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// for ( type elem in collection) { stmts; } 15751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// Into: 157710d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// { 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// type elem; 157933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 158010d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// id items[16]; 158133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// id l_collection = (id)collection; 15821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 158333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objects:items count:16]; 158410d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// if (limit) { 158510d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 158610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// do { 158710d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// unsigned long counter = 0; 158810d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// do { 15891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// if (startMutations != *enumState.mutationsPtr) 159033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objc_enumerationMutation(l_collection); 159188f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 159210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// stmts; 1593e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian/// __continue_label: ; 159410d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } while (counter < limit); 15951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 159633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objects:items count:16]); 159733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// elem = nil; 1598e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian/// __break_label: ; 159910d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } 160010d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// else 160110d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// elem = nil; 160210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } 160310d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// 1604b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 1605338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner SourceLocation OrigEnd) { 1606e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 1608e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 16091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!ObjCBcLabelNo.empty() && 1610e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 16111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 161233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 161333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 16144087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef elementName; 161588f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian std::string elementTypeAsString; 161633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian std::string buf; 161733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf = "\n{\n\t"; 161833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 161933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // type elem; 16207e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 16211ed8e2a39456d064a346a6a5c2f6bd53e6d57345Ted Kremenek QualType ElementType = cast<ValueDecl>(D)->getType(); 1622e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff if (ElementType->isObjCQualifiedIdType() || 1623e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff ElementType->isObjCQualifiedInterfaceType()) 1624e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff // Simply use 'id' for all qualified types. 1625e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff elementTypeAsString = "id"; 1626e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff else 1627fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar elementTypeAsString = ElementType.getAsString(Context->PrintingPolicy); 162888f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += elementTypeAsString; 162933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += " "; 16304087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar elementName = D->getName(); 163133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 163233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ";\n\t"; 163333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian } 163406767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner else { 163506767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 16364087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar elementName = DR->getDecl()->getName(); 1637e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 1638e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff if (VD->getType()->isObjCQualifiedIdType() || 1639e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff VD->getType()->isObjCQualifiedInterfaceType()) 1640e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff // Simply use 'id' for all qualified types. 1641e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff elementTypeAsString = "id"; 1642e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff else 1643fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar elementTypeAsString = VD->getType().getAsString(Context->PrintingPolicy); 164488f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian } 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 164733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 164833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // id items[16]; 164933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "id items[16];\n\t"; 165033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // id l_collection = (id) 165133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "id l_collection = (id)"; 16527571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian // Find start location of 'collection' the hard way! 16537571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian const char *startCollectionBuf = startBuf; 16547571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 16557571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 16567571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf++; // skip '(' 16577571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian // find 'in' and skip it. 16587571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian while (*startCollectionBuf != ' ' || 16597571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 16607571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 16617571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 16627571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf++; 16637571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf += 3; 16641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Replace: "for (type element in" with string constructed thus far. 1666d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 166733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 16687571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 16697571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 16707571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian SourceLocation lparenLoc = startLoc.getFileLocWithOffset(rparenBuf-startBuf); 167133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf = ";\n\t"; 16721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 167333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 167433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // objects:items count:16]; 167533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // which is synthesized into: 16761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // unsigned int limit = 167733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // ((unsigned int (*) 167833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 16791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (void *)objc_msgSend)((id)l_collection, 168033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // sel_registerName( 16811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // "countByEnumeratingWithState:objects:count:"), 16821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (struct __objcFastEnumerationState *)&state, 168333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // (id *)items, (unsigned int)16); 168433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 168533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SynthCountByEnumWithState(buf); 168633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ";\n\t"; 168733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// if (limit) { 168833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 168933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// do { 169033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// unsigned long counter = 0; 169133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// do { 16921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// if (startMutations != *enumState.mutationsPtr) 169333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// objc_enumerationMutation(l_collection); 169488f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 169533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "if (limit) {\n\t"; 169633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 169733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "do {\n\t\t"; 169833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 169933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "do {\n\t\t\t"; 170033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 170133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 170233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 170388f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += " = ("; 170488f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += elementTypeAsString; 170588f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 170633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 1707d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lparenLoc, 1, buf); 17081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1709e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian /// __continue_label: ; 171033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } while (counter < limit); 17111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 171233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// objects:items count:16]); 171333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// elem = nil; 1714e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian /// __break_label: ; 171533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } 171633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// else 171733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// elem = nil; 171833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } 17191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 1720e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf = ";\n\t"; 1721e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "__continue_label_"; 1722e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 1723e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += ": ;"; 1724e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "\n\t\t"; 172533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 172633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "} while (limit = "; 172733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SynthCountByEnumWithState(buf); 172833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ");\n\t"; 172933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 173065b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += " = (("; 173165b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += elementTypeAsString; 173265b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += ")0);\n\t"; 1733e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "__break_label_"; 1734e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 1735e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += ": ;\n\t"; 173633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "}\n\t"; 173733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "else\n\t\t"; 173833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 173965b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += " = (("; 174065b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += elementTypeAsString; 174165b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += ")0);\n\t"; 174233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "}\n"; 17431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 174433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Insert all these *after* the statement body. 1745d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl // FIXME: If this should support Obj-C++, support CXXTryStmt 1746600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff if (isa<CompoundStmt>(S->getBody())) { 1747600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff SourceLocation endBodyLoc = OrigEnd.getFileLocWithOffset(1); 1748d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endBodyLoc, buf); 1749600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff } else { 1750600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff /* Need to treat single statements specially. For example: 1751600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * 1752600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * for (A *a in b) if (stuff()) break; 1753600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * for (A *a in b) xxxyy; 1754600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * 1755600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * The following code simply scans ahead to the semi to find the actual end. 1756600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff */ 1757600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff const char *stmtBuf = SM->getCharacterData(OrigEnd); 1758600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff const char *semiBuf = strchr(stmtBuf, ';'); 1759600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff assert(semiBuf && "Can't find ';'"); 1760600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff SourceLocation endBodyLoc = OrigEnd.getFileLocWithOffset(semiBuf-stmtBuf+1); 1761d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endBodyLoc, buf); 1762600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff } 1763e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmts.pop_back(); 1764e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian ObjCBcLabelNo.pop_back(); 176533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return 0; 176610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian} 176710d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian 17681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// RewriteObjCSynchronizedStmt - 1769a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 1770a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// into: 1771a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// objc_sync_enter(expr); 1772a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 1773a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// 1774b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 1775a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian // Get the start location and compute the semi location. 1776a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 1777a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 17781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1779a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 17801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string buf; 17823498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff buf = "objc_sync_enter((id)"; 17833498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff const char *lparenBuf = startBuf; 17843498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff while (*lparenBuf != '(') lparenBuf++; 1785d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 17861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 17871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // the sync expression is typically a message expression that's already 1788c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff // been rewritten! (which implies the SourceLocation's are invalid). 1789c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff SourceLocation endLoc = S->getSynchBody()->getLocStart(); 1790a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 1791c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff while (*endBuf != ')') endBuf--; 1792c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff SourceLocation rparenLoc = startLoc.getFileLocWithOffset(endBuf-startBuf); 1793a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf = ");\n"; 1794a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 1795a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n"; 1796a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 1797a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 1798a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 1799a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 1800a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 1801d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(rparenLoc, 1, buf); 1802a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian startLoc = S->getSynchBody()->getLocEnd(); 1803a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 18041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1805c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff assert((*startBuf == '}') && "bogus @synchronized block"); 1806a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 1807a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf = "}\nelse {\n"; 1808a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 1809621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff buf += "}\n"; 1810621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff buf += "{ /* implicit finally clause */\n"; 1811a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 1812b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1813b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string syncBuf; 1814b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += " objc_sync_exit("; 18159d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Expr *syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 1816a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 18179d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall S->getSynchExpr()); 1818a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek std::string syncExprBufS; 1819a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek llvm::raw_string_ostream syncExprBuf(syncExprBufS); 1820e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner syncExpr->printPretty(syncExprBuf, *Context, 0, 1821e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner PrintingPolicy(LangOpts)); 1822b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += syncExprBuf.str(); 1823b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += ");"; 1824b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1825b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += syncBuf; 1826b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n"; 1827a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "}\n"; 1828a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "}"; 18291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1830d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1831b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1832b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff bool hasReturns = false; 1833b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(S->getSynchBody(), hasReturns); 1834b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (hasReturns) 1835b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteSyncReturnStmts(S->getSynchBody(), syncBuf); 1836b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1837a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return 0; 1838a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian} 1839a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian 1840b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::WarnAboutReturnGotoStmts(Stmt *S) 1841b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff{ 18428c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff // Perform a bottom up traversal of all children. 18437502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 18448c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff if (*CI) 1845b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff WarnAboutReturnGotoStmts(*CI); 18468c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff 1847b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 18481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diags.Report(Context->getFullLoc(S->getLocStart()), 18498c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff TryFinallyContainsReturnDiag); 18508c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff } 18518c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff return; 18528c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff} 18538c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff 1854b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::HasReturnStmts(Stmt *S, bool &hasReturns) 1855b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff{ 1856b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 18577502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 1858b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) 1859b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(*CI, hasReturns); 1860b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1861b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) 1862b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff hasReturns = true; 1863b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1864b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1865b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1866b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::RewriteTryReturnStmts(Stmt *S) { 1867b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 18687502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 1869b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) { 1870b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteTryReturnStmts(*CI); 1871b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1872b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) { 1873b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation startLoc = S->getLocStart(); 1874b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 1875b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1876b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 1877b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'"); 1878b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation onePastSemiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 1879b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1880b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string buf; 1881b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf = "{ objc_exception_try_exit(&_stack); return"; 1882b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1883d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 6, buf); 1884d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, "}"); 1885b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1886b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1887b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1888b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1889b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) { 1890b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 18917502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 1892b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) { 1893b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteSyncReturnStmts(*CI, syncExitBuf); 1894b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1895b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) { 1896b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation startLoc = S->getLocStart(); 1897b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 1898b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1899b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 1900b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'"); 1901b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation onePastSemiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 1902b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1903b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string buf; 1904b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf = "{ objc_exception_try_exit(&_stack);"; 1905b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += syncExitBuf; 1906b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += " return"; 1907b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1908d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 6, buf); 1909d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, "}"); 1910b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1911b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1912b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1913b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1914b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 19157573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Get the start location and compute the semi location. 19167573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation startLoc = S->getLocStart(); 19177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 19181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19197573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @try location"); 19207573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19217573098b83e780d1c5bea13b384b610d8f155676Steve Naroff std::string buf; 19227573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // declare a new scope with two variables, _stack and _rethrow. 19237573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "/* @try scope begin */ { struct _objc_exception_data {\n"; 19247573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "int buf[18/*32-bit i386*/];\n"; 19257573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "char *pointers[4];} _stack;\n"; 19267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "id volatile _rethrow = 0;\n"; 19277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "objc_exception_try_enter(&_stack);\n"; 192821867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 19297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1930d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 4, buf); 19311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = S->getTryBody()->getLocEnd(); 19337573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 19347573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19357573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '}') && "bogus @try block"); 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1937c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff SourceLocation lastCurlyLoc = startLoc; 19388f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (S->getNumCatchStmts()) { 1939c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff startLoc = startLoc.getFileLocWithOffset(1); 1940c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf = " /* @catch begin */ else {\n"; 1941c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " id _caught = objc_exception_extract(&_stack);\n"; 1942c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " objc_exception_try_enter (&_stack);\n"; 1943c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " if (_setjmp(_stack.buf))\n"; 1944c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " _rethrow = objc_exception_extract(&_stack);\n"; 1945c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " else { /* @catch continue */"; 19461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1947d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, buf); 19488bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff } else { /* no catch list */ 19498bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf = "}\nelse {\n"; 19508bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf += " _rethrow = objc_exception_extract(&_stack);\n"; 19518bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf += "}"; 1952d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1953c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff } 19547573098b83e780d1c5bea13b384b610d8f155676Steve Naroff Stmt *lastCatchBody = 0; 19558f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 19568f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 1957c00d8e18ad3d903acfeb5d05163ce90713066a3fDouglas Gregor VarDecl *catchDecl = Catch->getCatchParamDecl(); 19587573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19598f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (I == 0) 19607573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "if ("; // we are generating code for the first catch clause 19617573098b83e780d1c5bea13b384b610d8f155676Steve Naroff else 19627573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "else if ("; 19638f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor startLoc = Catch->getLocStart(); 19647573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 19651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19667573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @catch location"); 19671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19687573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *lParenLoc = strchr(startBuf, '('); 19697573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19708f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (Catch->hasEllipsis()) { 1971e12e69223ec279e89ac681023d42184b115e0068Steve Naroff // Now rewrite the body... 19728f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor lastCatchBody = Catch->getCatchBody(); 1973e12e69223ec279e89ac681023d42184b115e0068Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocStart(); 1974e12e69223ec279e89ac681023d42184b115e0068Steve Naroff const char *bodyBuf = SM->getCharacterData(bodyLoc); 19758f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' && 197606767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @catch paren location"); 1977e12e69223ec279e89ac681023d42184b115e0068Steve Naroff assert((*bodyBuf == '{') && "bogus @catch body location"); 19781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1979e12e69223ec279e89ac681023d42184b115e0068Steve Naroff buf += "1) { id _tmp = _caught;"; 1980d7407dc92c7d19cafce429e7e1cf9819d3fc0b92Daniel Dunbar Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf); 19817ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } else if (catchDecl) { 19827ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff QualType t = catchDecl->getType(); 1983a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (t == Context->getObjCIdType()) { 19847573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "1) { "; 1985d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 1986506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall } else if (const ObjCObjectPointerType *Ptr = 1987506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall t->getAs<ObjCObjectPointerType>()) { 1988506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall // Should be a pointer to a class. 1989506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 1990506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall if (IDecl) { 199121867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "objc_exception_match((struct objc_class *)objc_getClass(\""; 1992506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall buf += IDecl->getNameAsString(); 199321867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "\"), (struct objc_object *)_caught)) { "; 1994d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 19957573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19967573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19977573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Now rewrite the body... 19988f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor lastCatchBody = Catch->getCatchBody(); 19998f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor SourceLocation rParenLoc = Catch->getRParenLoc(); 20007573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocStart(); 20017573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *bodyBuf = SM->getCharacterData(bodyLoc); 20027573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *rParenBuf = SM->getCharacterData(rParenLoc); 20037573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*rParenBuf == ')') && "bogus @catch paren location"); 20047573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*bodyBuf == '{') && "bogus @catch body location"); 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Here we replace ") {" with "= _caught;" (which initializes and 20077573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // declares the @catch parameter). 2008d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;"); 20097ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } else { 20107573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert(false && "@catch rewrite bug"); 20112bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff } 20127573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 20137573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Complete the catch list... 20147573098b83e780d1c5bea13b384b610d8f155676Steve Naroff if (lastCatchBody) { 20157573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocEnd(); 201606767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner assert(*SM->getCharacterData(bodyLoc) == '}' && 201706767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @catch body location"); 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2019378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff // Insert the last (implicit) else clause *before* the right curly brace. 2020378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff bodyLoc = bodyLoc.getFileLocWithOffset(-1); 2021378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf = "} /* last catch end */\n"; 2022378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "else {\n"; 2023378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " _rethrow = _caught;\n"; 2024378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " objc_exception_try_exit(&_stack);\n"; 2025378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "} } /* @catch end */\n"; 2026378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff if (!S->getFinallyStmt()) 2027378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "}\n"; 2028d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(bodyLoc, buf); 20291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20307573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Set lastCurlyLoc 20317573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = lastCatchBody->getLocEnd(); 20327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 2033a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) { 20347573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = finalStmt->getLocStart(); 20357573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 20367573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @finally start"); 20371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2038d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 8, "/* @finally */"); 20391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20407573098b83e780d1c5bea13b384b610d8f155676Steve Naroff Stmt *body = finalStmt->getFinallyBody(); 20417573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation startLoc = body->getLocStart(); 20427573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation endLoc = body->getLocEnd(); 204306767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner assert(*SM->getCharacterData(startLoc) == '{' && 204406767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @finally body location"); 20451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(*SM->getCharacterData(endLoc) == '}' && 204606767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @finally body location"); 20471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20487573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = startLoc.getFileLocWithOffset(1); 2049d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n"); 20507573098b83e780d1c5bea13b384b610d8f155676Steve Naroff endLoc = endLoc.getFileLocWithOffset(-1); 2051d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n"); 20521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20537573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Set lastCurlyLoc 20547573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = body->getLocEnd(); 20551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20568c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff // Now check for any return/continue/go statements within the @try. 2057b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff WarnAboutReturnGotoStmts(S->getTryBody()); 2058378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff } else { /* no finally clause - make sure we synthesize an implicit one */ 2059378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf = "{ /* implicit finally clause */\n"; 2060378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 2061378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; 2062378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "}"; 2063d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 2064b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 2065b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Now check for any return/continue/go statements within the @try. 2066b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // The implicit finally clause won't called if the @try contains any 2067b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // jump statements. 2068b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff bool hasReturns = false; 2069b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(S->getTryBody(), hasReturns); 2070b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (hasReturns) 2071b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteTryReturnStmts(S->getTryBody()); 20727573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 20737573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Now emit the final closing curly brace... 20747573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = lastCurlyLoc.getFileLocWithOffset(1); 2075d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(lastCurlyLoc, " } /* @try scope end */\n"); 2076909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian return 0; 2077909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian} 2078909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian 20791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// This can't be done with ReplaceStmt(S, ThrowExpr), since 20801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// the throw expression is typically a message expression that's already 20812bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff// been rewritten! (which implies the SourceLocation's are invalid). 2082b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 20832bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff // Get the start location and compute the semi location. 20842bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff SourceLocation startLoc = S->getLocStart(); 20852bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff const char *startBuf = SM->getCharacterData(startLoc); 20861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20872bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff assert((*startBuf == '@') && "bogus @throw location"); 20882bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff 20892bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff std::string buf; 20902bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff /* void objc_exception_throw(id) __attribute__((noreturn)); */ 209120ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (S->getThrowExpr()) 209220ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff buf = "objc_exception_throw("; 209320ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff else // add an implicit argument 209420ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff buf = "objc_exception_throw(_caught"; 20951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20964ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff // handle "@ throw" correctly. 20974ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff const char *wBuf = strchr(startBuf, 'w'); 20984ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff assert((*wBuf == 'w') && "@throw: can't find 'w'"); 2099d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, wBuf-startBuf+1, buf); 21001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21012bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff const char *semiBuf = strchr(startBuf, ';'); 21022bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff assert((*semiBuf == ';') && "@throw: can't find ';'"); 21032bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff SourceLocation semiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf); 2104d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(semiLoc, 1, ");"); 21052bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff return 0; 21062bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff} 2107909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian 2108b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 210901c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner // Create a new string expression. 211001c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner QualType StrType = Context->getPointerType(Context->CharTy); 211185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson std::string StrEncoding; 21120d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 21132085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner Expr *Replacement = StringLiteral::Create(*Context,StrEncoding.c_str(), 21143e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson StrEncoding.length(), 21153e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson false, false, StrType, 21162085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner SourceLocation()); 2117dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, Replacement); 21181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21190750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner // Replace this subexpr in the parent. 2120f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 2121e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner return Replacement; 2122311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner} 2123311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner 2124b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 21251a9376408941d65c285ddad8a0f1a2ac518df344Steve Naroff if (!SelGetUidFunctionDecl) 21261a9376408941d65c285ddad8a0f1a2ac518df344Steve Naroff SynthSelGetUidFunctionDecl(); 2127b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 2128b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff // Create a call to sel_registerName("selName"). 2129b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff llvm::SmallVector<Expr*, 8> SelExprs; 2130b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff QualType argType = Context->getPointerType(Context->CharTy); 21311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SelExprs.push_back(StringLiteral::Create(*Context, 21326e94ef5696cfb005d3fc7bbac8dcf7690b64f0a5Ted Kremenek Exp->getSelector().getAsString().c_str(), 2133077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Exp->getSelector().getAsString().size(), 21343e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson false, false, argType, 21353e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson SourceLocation())); 2136b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 2137b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff &SelExprs[0], SelExprs.size()); 2138dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, SelExp); 2139f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 2140b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff return SelExp; 2141b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff} 2142b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff 2143b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffCallExpr *RewriteObjC::SynthesizeCallToFunctionDecl( 21441d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 21451d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc) { 2146ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Get the type, we will need to reference it in a couple spots. 2147934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff QualType msgSendType = FD->getType(); 21481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2149ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Create a reference to the objc_msgSend() declaration. 2150f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = 2151f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Context) DeclRefExpr(FD, msgSendType, VK_LValue, SourceLocation()); 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2153ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Now, we cast the reference to a pointer to the objc_msgSend type. 2154f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner QualType pToFunc = Context->getPointerType(msgSendType); 215588465d3e996e627bbaa11099b039ddab66d5af2cAnders Carlsson ImplicitCastExpr *ICE = 2156a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 21575baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall DRE, 0, VK_RValue); 21581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2159183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = msgSendType->getAs<FunctionType>(); 21601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21611d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian CallExpr *Exp = 21625291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor new (Context) CallExpr(*Context, ICE, args, nargs, 2163f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FT->getCallResultType(*Context), 2164f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, EndLoc); 21651d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian return Exp; 2166934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff} 2167934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff 2168d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroffstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 2169d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *&startRef, const char *&endRef) { 2170d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff while (startBuf < endBuf) { 2171d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (*startBuf == '<') 2172d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startRef = startBuf; // mark the start. 2173d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (*startBuf == '>') { 217432174826f58d38c20f376fe64ceac4a278133883Steve Naroff if (startRef && *startRef == '<') { 217532174826f58d38c20f376fe64ceac4a278133883Steve Naroff endRef = startBuf; // mark the end. 217632174826f58d38c20f376fe64ceac4a278133883Steve Naroff return true; 217732174826f58d38c20f376fe64ceac4a278133883Steve Naroff } 217832174826f58d38c20f376fe64ceac4a278133883Steve Naroff return false; 2179d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2180d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startBuf++; 2181d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2182d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff return false; 2183d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff} 2184d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff 218561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 218661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian int angle = 0; 218761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 218861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (*argRef == '<') 218961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian angle++; 219061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else if (*argRef == '>') 219161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian angle--; 219261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian argRef++; 219361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 219461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 219561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian} 2196291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian 2197b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffbool RewriteObjC::needToScanForQualifiers(QualType T) { 219832132a08c0aecc316728d81e1d93726707fde14bFariborz Jahanian if (T->isObjCQualifiedIdType()) 219932132a08c0aecc316728d81e1d93726707fde14bFariborz Jahanian return true; 220084aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 220184aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 220284aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return true; 220384aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian } 220484aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (T->isObjCObjectPointerType()) { 220584aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian T = T->getPointeeType(); 220684aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 220784aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian } 220824f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian if (T->isArrayType()) { 220924f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 221024f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian return needToScanForQualifiers(ElemTy); 221124f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian } 221284aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return false; 2213d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff} 2214d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff 22154f95b750534f2111f28434b282bcbd5656002816Steve Naroffvoid RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 22164f95b750534f2111f28434b282bcbd5656002816Steve Naroff QualType Type = E->getType(); 22174f95b750534f2111f28434b282bcbd5656002816Steve Naroff if (needToScanForQualifiers(Type)) { 2218cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff SourceLocation Loc, EndLoc; 22191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2220cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 2221cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff Loc = ECE->getLParenLoc(); 2222cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff EndLoc = ECE->getRParenLoc(); 2223cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff } else { 2224cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff Loc = E->getLocStart(); 2225cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff EndLoc = E->getLocEnd(); 2226cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff } 2227cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff // This will defend against trying to rewrite synthesized expressions. 2228cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff if (Loc.isInvalid() || EndLoc.isInvalid()) 2229cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff return; 2230cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff 22314f95b750534f2111f28434b282bcbd5656002816Steve Naroff const char *startBuf = SM->getCharacterData(Loc); 2232cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff const char *endBuf = SM->getCharacterData(EndLoc); 22334f95b750534f2111f28434b282bcbd5656002816Steve Naroff const char *startRef = 0, *endRef = 0; 22344f95b750534f2111f28434b282bcbd5656002816Steve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 22354f95b750534f2111f28434b282bcbd5656002816Steve Naroff // Get the locations of the startRef, endRef. 22364f95b750534f2111f28434b282bcbd5656002816Steve Naroff SourceLocation LessLoc = Loc.getFileLocWithOffset(startRef-startBuf); 22374f95b750534f2111f28434b282bcbd5656002816Steve Naroff SourceLocation GreaterLoc = Loc.getFileLocWithOffset(endRef-startBuf+1); 22384f95b750534f2111f28434b282bcbd5656002816Steve Naroff // Comment out the protocol references. 2239d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2240d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 22414f95b750534f2111f28434b282bcbd5656002816Steve Naroff } 22424f95b750534f2111f28434b282bcbd5656002816Steve Naroff } 22434f95b750534f2111f28434b282bcbd5656002816Steve Naroff} 22444f95b750534f2111f28434b282bcbd5656002816Steve Naroff 2245b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 224661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian SourceLocation Loc; 224761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian QualType Type; 224872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = 0; 224961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 225061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Loc = VD->getLocation(); 225161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Type = VD->getType(); 225261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 225361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 225461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Loc = FD->getLocation(); 225561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 225661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 2257183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 225861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian assert(funcType && "missing function type"); 225972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor proto = dyn_cast<FunctionProtoType>(funcType); 226061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (!proto) 226161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian return; 226261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Type = proto->getResultType(); 226361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 22643d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 22653d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff Loc = FD->getLocation(); 22663d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff Type = FD->getType(); 22673d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } 226861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else 2269e66894c3dea9aeab4403e67bf5baabc20da61cb3Fariborz Jahanian return; 22701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 227161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (needToScanForQualifiers(Type)) { 2272d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Since types are unique, we need to scan the buffer. 22731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2274d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *endBuf = SM->getCharacterData(Loc); 2275d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startBuf = endBuf; 22766cafbf2a678c95d4cdc09ecaa782319bbcf56944Steve Naroff while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 2277d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startBuf--; // scan backward (from the decl location) for return type. 2278d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startRef = 0, *endRef = 0; 2279d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 2280d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Get the locations of the startRef, endRef. 2281d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff SourceLocation LessLoc = Loc.getFileLocWithOffset(startRef-endBuf); 2282d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff SourceLocation GreaterLoc = Loc.getFileLocWithOffset(endRef-endBuf+1); 2283d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Comment out the protocol references. 2284d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2285d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 2286d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2287d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 228861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (!proto) 228961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian return; // most likely, was a variable 22909165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff // Now check arguments. 229161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 229261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian const char *startFuncBuf = startBuf; 22939165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff for (unsigned i = 0; i < proto->getNumArgs(); i++) { 2294d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (needToScanForQualifiers(proto->getArgType(i))) { 2295d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Since types are unique, we need to scan the buffer. 22961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2297d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *endBuf = startBuf; 229861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // scan forward (from the decl location) for argument types. 229961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian scanToNextArgument(endBuf); 2300d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startRef = 0, *endRef = 0; 2301d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 2302d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Get the locations of the startRef, endRef. 23031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LessLoc = 2304291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian Loc.getFileLocWithOffset(startRef-startFuncBuf); 23051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation GreaterLoc = 2306291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian Loc.getFileLocWithOffset(endRef-startFuncBuf+1); 2307d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Comment out the protocol references. 2308d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2309d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 2310d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 231161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf = ++endBuf; 231261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 231361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else { 2314aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff // If the function name is derived from a macro expansion, then the 2315aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff // argument buffer will not follow the name. Need to speak with Chris. 2316aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff while (*startBuf && *startBuf != ')' && *startBuf != ',') 231761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 231861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf++; 231961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 23209165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff } 23219165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff} 23229165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff 23234c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanianvoid RewriteObjC::RewriteTypeOfDecl(VarDecl *ND) { 23244c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian QualType QT = ND->getType(); 23254c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 23264c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 23274c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian return; 23284c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 23294c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 23304c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 23314c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian TypePtr = QT->getAs<Type>(); 23324c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 23334c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 23344c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian // __typeof__(a) b,c,d; 2335fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeAsString(QT.getAsString(Context->PrintingPolicy)); 23364c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 23374c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 23384c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (ND->getInit()) { 23394c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian std::string Name(ND->getNameAsString()); 23404c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian TypeAsString += " " + Name + " = "; 23414c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian Expr *E = ND->getInit(); 23424c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation startLoc; 23434c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 23444c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = ECE->getLParenLoc(); 23454c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else 23464c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = E->getLocStart(); 23474c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = SM->getInstantiationLoc(startLoc); 23484c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 2349d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 23504c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 23514c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else { 23524c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation X = ND->getLocEnd(); 23534c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian X = SM->getInstantiationLoc(X); 23544c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *endBuf = SM->getCharacterData(X); 2355d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 23564c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 23574c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian} 23584c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian 2359a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 2360b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthSelGetUidFunctionDecl() { 2361a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 2362a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 23630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2364e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getFuncType = 2365e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 2366ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 23671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2368ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2369a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis SelGetUidIdent, getFuncType, 0, 2370d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2371d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2372a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian} 2373a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian 2374b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteFunctionDecl(FunctionDecl *FD) { 237509b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff // declared in <objc/objc.h> 237651efe56116a6283ba707cfb8bf8b4e0b13cb41acDouglas Gregor if (FD->getIdentifier() && 23774087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD->getName() == "sel_registerName") { 237809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SelGetUidFunctionDecl = FD; 23799165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff return; 23809165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff } 2381a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCQualifiedInterfaceTypes(FD); 238209b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 238309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2384fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbarvoid RewriteObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 2385fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeString(Type.getAsString(Context->PrintingPolicy)); 238652b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian const char *argPtr = TypeString.c_str(); 238752b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian if (!strchr(argPtr, '^')) { 238852b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian Str += TypeString; 238952b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian return; 239052b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian } 239152b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian while (*argPtr) { 239252b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 239352b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian argPtr++; 239452b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian } 239552b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian} 239652b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian 2397e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 2398fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbarvoid RewriteObjC::RewriteBlockPointerTypeVariable(std::string& Str, 2399fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ValueDecl *VD) { 2400e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian QualType Type = VD->getType(); 2401fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeString(Type.getAsString(Context->PrintingPolicy)); 2402e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian const char *argPtr = TypeString.c_str(); 2403e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian int paren = 0; 2404e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian while (*argPtr) { 2405e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian switch (*argPtr) { 2406e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case '(': 2407e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2408e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian paren++; 2409e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2410e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case ')': 2411e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2412e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian paren--; 2413e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2414e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case '^': 2415e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += '*'; 2416e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian if (paren == 1) 2417e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += VD->getNameAsString(); 2418e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2419e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian default: 2420e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2421e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2422e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 2423e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian argPtr++; 2424e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 2425e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian} 2426e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian 2427e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian 2428abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanianvoid RewriteObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 2429abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 2430abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 2431abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 2432abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (!proto) 2433abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian return; 2434abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian QualType Type = proto->getResultType(); 2435fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string FdStr = Type.getAsString(Context->PrintingPolicy); 2436abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += " "; 24374087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FdStr += FD->getName(); 2438abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += "("; 2439abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 2440abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 2441abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian QualType ArgType = proto->getArgType(i); 244252b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 2443abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (i+1 < numArgs) 2444abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += ", "; 2445abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian } 2446abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += ");\n"; 2447d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, FdStr); 2448abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 2449abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian} 2450abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian 2451c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 2452b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthSuperContructorFunctionDecl() { 2453c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff if (SuperContructorFunctionDecl) 2454c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff return; 245546a98a7df016b4a6835a1902c2f8ff2a3a8012baSteve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 2456c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2457c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff QualType argT = Context->getObjCIdType(); 2458c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff assert(!argT.isNull() && "Can't find 'id' type"); 2459c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff ArgTys.push_back(argT); 2460c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff ArgTys.push_back(argT); 2461e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2462e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2463ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2465ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2466a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2467d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2468d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2469c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff} 2470c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff 247109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 2472b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendFunctionDecl() { 247309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 247409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2475a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 247609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff assert(!argT.isNull() && "Can't find 'id' type"); 247709b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff ArgTys.push_back(argT); 2478a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 247909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff assert(!argT.isNull() && "Can't find 'SEL' type"); 248009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff ArgTys.push_back(argT); 2481e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2482e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2483e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2484ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24850ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2486ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2487a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2488d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2489d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 249009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 249109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2492874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 2493b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendSuperFunctionDecl() { 2494874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 2495874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2496465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 2497ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 2498df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 2499874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 2500874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 2501874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff ArgTys.push_back(argT); 2502a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 2503874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff assert(!argT.isNull() && "Can't find 'SEL' type"); 2504874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff ArgTys.push_back(argT); 2505e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2506e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2507e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2508ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2510ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2511a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2512d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2513d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2514874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff} 2515874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff 251680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 2517b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendStretFunctionDecl() { 251880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 251980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2520a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 252180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 252280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2523a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 252480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 252580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2526e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2527e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2528e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2529ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2531ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2532a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2533d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2534d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 253580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian} 253680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian 25371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// SynthMsgSendSuperStretFunctionDecl - 253880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 2539b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendSuperStretFunctionDecl() { 25401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IdentifierInfo *msgSendIdent = 254180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 254280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2543465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 2544ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 2545df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 254680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 254780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 254880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2549a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 255080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 255180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2552e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2553e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2554e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2555ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2557ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2558a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2559d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2560d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 256180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian} 256280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian 25631284db8d85782c4eb1d41eb02358613c8681f07fSteve Naroff// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 2564b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendFpretFunctionDecl() { 2565acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 2566acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2567a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 2568acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 2569acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian ArgTys.push_back(argT); 2570a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 2571acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 2572acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian ArgTys.push_back(argT); 2573e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 2574e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2575e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2576ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2578ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2579a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2580d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2581d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2582acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian} 2583acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian 258409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 2585b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthGetClassFunctionDecl() { 258609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 258709b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 25880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2589e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 2590e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2591ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2593ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2594a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis getClassIdent, getClassType, 0, 2595d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2596d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 259709b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 259809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2599d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 2600d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanianvoid RewriteObjC::SynthGetSuperClassFunctionDecl() { 2601d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 2602d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 2603d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2604d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 2605e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 2606e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2607d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 260816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor SourceLocation(), 2609ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 261016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor getSuperClassIdent, 261116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor getClassType, 0, 2612d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2613d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, 261416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 2615d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian} 2616d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian 26179bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff// SynthGetMetaClassFunctionDecl - id objc_getClass(const char *name); 2618b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthGetMetaClassFunctionDecl() { 26199bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 26209bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 26210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2622e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 2623e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2624ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 26251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2626ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2627a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis getClassIdent, getClassType, 0, 2628d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2629d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 26309bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff} 26319bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff 2632b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 2633d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType strType = getConstantStringStructType(); 2634d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 2635d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff std::string S = "__NSConstantStringImpl_"; 26367691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff 26377691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff std::string tmpName = InFileName; 26387691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff unsigned i; 26397691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff for (i=0; i < tmpName.length(); i++) { 26407691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff char c = tmpName.at(i); 26417691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff // replace any non alphanumeric characters with '_'. 26427691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff if (!isalpha(c) && (c < '0' || c > '9')) 26437691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff tmpName[i] = '_'; 26447691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff } 26457691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff S += tmpName; 26467691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff S += "_"; 2647d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff S += utostr(NumObjCStringLiterals++); 2648d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 2649ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "static __NSConstantStringImpl " + S; 2650ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 2651ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "0x000007c8,"; // utf8_str 2652d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // The pretty printer for StringLiteral handles escape characters properly. 2653a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek std::string prettyBufS; 2654a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek llvm::raw_string_ostream prettyBuf(prettyBufS); 2655e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner Exp->getString()->printPretty(prettyBuf, *Context, 0, 2656e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner PrintingPolicy(LangOpts)); 2657ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += prettyBuf.str(); 2658ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += ","; 2659fd5b76fe99a123630321b45667a78f1a15be7241Steve Naroff Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 26601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 2662ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), &Context->Idents.get(S), 2663ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara strType, 0, SC_Static, SC_None); 2664f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, strType, VK_LValue, 2665f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 26662de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(DRE->getType()), 2668f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 2669f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 26709698464266660346fa2da1bddc3e6404a9819b25Steve Naroff // cast to NSConstantString * 26719d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 2672a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Unop); 2673dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, cast); 2674f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 26759698464266660346fa2da1bddc3e6404a9819b25Steve Naroff return cast; 2676beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff} 2677beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff 2678874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 2679b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffQualType RewriteObjC::getSuperStructType() { 2680874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff if (!SuperStructDecl) { 2681465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 2682ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 2683df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 2684874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType FieldTypes[2]; 26851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2686874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // struct objc_object *receiver; 26871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[0] = Context->getObjCIdType(); 2688874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // struct objc_class *super; 26891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[1] = Context->getObjCClassType(); 269044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2691874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // Create fields 269244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 2; ++i) { 26931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 2694ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 26951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2696a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], 0, 2697a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis /*BitWidth=*/0, 26984afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false)); 269944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 27001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2701838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor SuperStructDecl->completeDefinition(); 2702874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } 2703874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff return Context->getTagDeclType(SuperStructDecl); 2704874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff} 2705874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff 2706b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffQualType RewriteObjC::getConstantStringStructType() { 2707d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff if (!ConstantStringDecl) { 2708465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 2709ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 2710df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("__NSConstantStringImpl")); 2711d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType FieldTypes[4]; 27121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2713d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // struct objc_object *receiver; 27141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[0] = Context->getObjCIdType(); 2715d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // int flags; 27161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[1] = Context->IntTy; 2717d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // char *str; 27181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[2] = Context->getPointerType(Context->CharTy); 2719d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // long length; 27201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = Context->LongTy; 272144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2722d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // Create fields 272344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 27241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 27251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantStringDecl, 2726ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 272744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2728a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], 0, 272944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /*BitWidth=*/0, 27304afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/true)); 273144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 273244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2733838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ConstantStringDecl->completeDefinition(); 2734d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff } 2735d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff return Context->getTagDeclType(ConstantStringDecl); 2736d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff} 2737d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 27381d35b168348a308696d1fce29a18c14143f61d6aFariborz JahanianStmt *RewriteObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 27391d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc, 27401d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc) { 2741a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian if (!SelGetUidFunctionDecl) 2742a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian SynthSelGetUidFunctionDecl(); 274309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff if (!MsgSendFunctionDecl) 274409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SynthMsgSendFunctionDecl(); 2745874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff if (!MsgSendSuperFunctionDecl) 2746874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff SynthMsgSendSuperFunctionDecl(); 274780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (!MsgSendStretFunctionDecl) 274880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SynthMsgSendStretFunctionDecl(); 274980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 275080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 2751acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 2752acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 275309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff if (!GetClassFunctionDecl) 275409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SynthGetClassFunctionDecl(); 2755d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian if (!GetSuperClassFunctionDecl) 2756d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 27579bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff if (!GetMetaClassFunctionDecl) 27589bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff SynthGetMetaClassFunctionDecl(); 27591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2760874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // default to objc_msgSend(). 276180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 276280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // May need to use objc_msgSend_stret() as well. 276380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 2764621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 2765621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QualType resultType = mDecl->getResultType(); 2766fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor if (resultType->isRecordType()) 276780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 27688b51fd76319d8b71f401cc6ad56e6f4f7be77958Chris Lattner else if (resultType->isRealFloatingType()) 2769acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 277080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian } 27711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2772934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Synthesize a call to objc_msgSend(). 2773934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff llvm::SmallVector<Expr*, 8> MsgExprs; 277404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor switch (Exp->getReceiverKind()) { 277504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperClass: { 277604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendFlavor = MsgSendSuperFunctionDecl; 277704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (MsgSendStretFlavor) 277804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 277904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 278004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 278104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 278204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 278304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 4> InitExprs; 278404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 278504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // set the receiver to self, the first argument to all methods. 278604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 278704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2788a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 278904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2790f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getObjCIdType(), 2791f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, 2792f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation())) 279304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ); // set the 'receiver'. 279404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 279504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 279604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 279704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 279804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 279904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getNameStart(), 280004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getLength(), 28013e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson false, false, argType, SourceLocation())); 280204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 280304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 280404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 280504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, 280604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor EndLoc); 280704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (Class)objc_getClass("CurrentClass") 280804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 280904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCClassType(), 2810a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls); 281104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.clear(); 281204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(ArgExpr); 281304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 281404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], ClsExprs.size(), 281504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 281604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 281704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 281804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // To turn off a warning, type-cast to 'id' 281904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( // set 'super class', using class_getSuperclass(). 282004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, 282104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCIdType(), 2822a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls)); 282304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super 282404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType superType = getSuperStructType(); 282504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *SuperRep; 282604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 282704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (LangOpts.Microsoft) { 282804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SynthSuperContructorFunctionDecl(); 282904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Simulate a contructor call... 283004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2831f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2832f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 283304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 283404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.size(), 2835f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2836f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 283704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // The code for super is a little tricky to prevent collision with 283804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // the structure definition in the header. The rewriter has it's own 283904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // internal definition (__rw_objc_super) that is uses. This is why 284004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // we need the cast below. For example: 284104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 284204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // 28432de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 284404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 2845f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 2846f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 284704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = NoTypeInfoCStyleCastExpr(Context, 284804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(superType), 2849a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, SuperRep); 28509bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff } else { 285104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super) { <exprs from above> } 285204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitListExpr *ILE = 285304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) InitListExpr(*Context, SourceLocation(), 285404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &InitExprs[0], InitExprs.size(), 285504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 285604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *superTInfo 285704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = Context->getTrivialTypeSourceInfo(superType); 285804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 2859f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2860f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ILE, false); 286104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super * 28622de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 286304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 2864f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 2865f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 28669bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff } 286704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(SuperRep); 286804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 286904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 287004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 287104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Class: { 287204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 287304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 287404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *Class 2875506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 287604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor IdentifierInfo *clsName = Class->getIdentifier(); 287704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 287804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor clsName->getNameStart(), 287904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor clsName->getLength(), 28803e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson false, false, 28813e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson argType, SourceLocation())); 288204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 288304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 288404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 288504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 288604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(Cls); 288704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 288804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 288904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 289004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperInstance:{ 289104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendFlavor = MsgSendSuperFunctionDecl; 289204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (MsgSendStretFlavor) 289304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 289404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 289504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 289604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 4> InitExprs; 289704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 289804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 289904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2900a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 290104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2902f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getObjCIdType(), 2903f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, SourceLocation())) 290404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ); // set the 'receiver'. 290504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 290604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 290704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 290804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 290904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 291004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getNameStart(), 291104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getLength(), 29123e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson false, false, argType, SourceLocation())); 291304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 291404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 291504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 291604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 291704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (Class)objc_getClass("CurrentClass") 291804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 291904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCClassType(), 2920a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls); 292104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.clear(); 292204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(ArgExpr); 292304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 292404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], ClsExprs.size(), 292504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 292604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 292704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 292804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // To turn off a warning, type-cast to 'id' 292904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 293004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // set 'super class', using class_getSuperclass(). 293104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2932a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls)); 293304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super 293404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType superType = getSuperStructType(); 293504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *SuperRep; 293604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 293704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (LangOpts.Microsoft) { 293804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SynthSuperContructorFunctionDecl(); 293904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Simulate a contructor call... 294004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2941f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2942f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 294304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 294404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.size(), 2945f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, SourceLocation()); 294604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // The code for super is a little tricky to prevent collision with 294704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // the structure definition in the header. The rewriter has it's own 294804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // internal definition (__rw_objc_super) that is uses. This is why 294904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // we need the cast below. For example: 295004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 295104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // 29522de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 295304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 2954f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 295504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 295604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = NoTypeInfoCStyleCastExpr(Context, 295704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(superType), 2958a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, SuperRep); 2959874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } else { 296004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super) { <exprs from above> } 296104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitListExpr *ILE = 296204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) InitListExpr(*Context, SourceLocation(), 296304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &InitExprs[0], InitExprs.size(), 296404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 296504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *superTInfo 296604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = Context->getTrivialTypeSourceInfo(superType); 296704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 2968f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_RValue, ILE, 2969f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall false); 2970874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } 297104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(SuperRep); 297204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 29736568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff } 297404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 297504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Instance: { 297604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Remove all type-casts because it may contain objc-style types; e.g. 297704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Foo<Proto> *. 297804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *recExpr = Exp->getInstanceReceiver(); 297904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 298004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor recExpr = CE->getSubExpr(); 298104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2982a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, recExpr); 298304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(recExpr); 298404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 298504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 298604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 298704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 2988beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // Create a call to sel_registerName("selName"), it will be the 2nd argument. 2989934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff llvm::SmallVector<Expr*, 8> SelExprs; 2990934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff QualType argType = Context->getPointerType(Context->CharTy); 29911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SelExprs.push_back(StringLiteral::Create(*Context, 29926e94ef5696cfb005d3fc7bbac8dcf7690b64f0a5Ted Kremenek Exp->getSelector().getAsString().c_str(), 2993077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Exp->getSelector().getAsString().size(), 29943e2193ce5feb2feb092e5ae615e85148e06e9fd2Anders Carlsson false, false, argType, SourceLocation())); 2995934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 29961d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian &SelExprs[0], SelExprs.size(), 29971d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian StartLoc, 29981d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian EndLoc); 2999934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff MsgExprs.push_back(SelExp); 30001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3001934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Now push any user supplied arguments. 3002934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 30036568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff Expr *userExpr = Exp->getArg(i); 30047e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff // Make all implicit casts explicit...ICE comes in handy:-) 30057e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 30067e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff // Reuse the ICE type, it is exactly what the doctor ordered. 3007dff3f018e0bf93a08f135954a5771bfe664a7744Fariborz Jahanian QualType type = ICE->getType(); 3008dff3f018e0bf93a08f135954a5771bfe664a7744Fariborz Jahanian if (needToScanForQualifiers(type)) 3009dff3f018e0bf93a08f135954a5771bfe664a7744Fariborz Jahanian type = Context->getObjCIdType(); 30101f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 30114fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 3012a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK_BitCast, 30139d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall userExpr); 3014d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian } 3015d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 30166eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 3017a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (CE->getType()->isObjCQualifiedIdType()) { 30186eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 3019d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian userExpr = CE->getSubExpr(); 30209d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 3021a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, userExpr); 3022d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian } 30231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 30246568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff MsgExprs.push_back(userExpr); 3025621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // We've transferred the ownership to MsgExprs. For now, we *don't* null 3026621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // out the argument in the original expression (since we aren't deleting 3027f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 3028621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff //Exp->setArg(i, 0); 3029934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 3030ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Generate the funky cast. 3031ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff CastExpr *cast; 3032ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff llvm::SmallVector<QualType, 8> ArgTypes; 3033ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff QualType returnType; 30341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3035ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Push 'id' and 'SEL', the 2 implicit arguments. 3036c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff if (MsgSendFlavor == MsgSendSuperFunctionDecl) 3037c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 3038c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff else 3039a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ArgTypes.push_back(Context->getObjCIdType()); 3040a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ArgTypes.push_back(Context->getObjCSelType()); 304189951a86b594513c2a013532ed45d197413b1087Chris Lattner if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 3042ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Push any user argument types. 304389951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 304489951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) { 304589951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType t = (*PI)->getType()->isObjCQualifiedIdType() 30461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ? Context->getObjCIdType() 304789951a86b594513c2a013532ed45d197413b1087Chris Lattner : (*PI)->getType(); 3048a206b0614a392cfef19aaaa894f9d3c756006421Steve Naroff // Make sure we convert "t (^)(...)" to "t (*)(...)". 30494fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 3050352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff ArgTypes.push_back(t); 3051352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff } 305289951a86b594513c2a013532ed45d197413b1087Chris Lattner returnType = OMD->getResultType()->isObjCQualifiedIdType() 305389951a86b594513c2a013532ed45d197413b1087Chris Lattner ? Context->getObjCIdType() : OMD->getResultType(); 30544fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 3055ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff } else { 3056a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek returnType = Context->getObjCIdType(); 3057ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff } 3058ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Get the type, we will need to reference it in a couple spots. 3059874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType msgSendType = MsgSendFlavor->getType(); 30601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3061ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Create a reference to the objc_msgSend() declaration. 30621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, msgSendType, 3063f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, SourceLocation()); 3064ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff 30651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 3066ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // If we don't do this cast, we get the following bizarre warning/note: 3067ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // xx.m:13: warning: function called through a non-compatible type 3068ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // xx.m:13: note: if this code is reached, the program will abort 30699d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast = NoTypeInfoCStyleCastExpr(Context, 30709d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Context->getPointerType(Context->VoidTy), 3071a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, DRE); 30721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3073ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Now do the "normal" pointer to function cast. 3074e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType castType = 3075e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 3076e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall // If we don't have a method decl, force a variadic cast. 3077e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 3078ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff castType = Context->getPointerType(castType); 3079a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 30809d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast); 3081ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff 3082ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Don't forget the parens to enforce the proper binding. 30831d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 30841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3085183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = msgSendType->getAs<FunctionType>(); 3086668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 30871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MsgExprs.size(), 3088f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FT->getResultType(), VK_RValue, 3089f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall EndLoc); 309033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian Stmt *ReplacingStmt = CE; 309180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (MsgSendStretFlavor) { 309280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // We have the method which returns a struct/union. Must also generate 309380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 309480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // expression which dictate which one to envoke depending on size of 309580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // method's return type. 30961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 309780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 30981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, msgSendType, 3099f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, SourceLocation()); 310080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 31019d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast = NoTypeInfoCStyleCastExpr(Context, 31029d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Context->getPointerType(Context->VoidTy), 3103a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, STDRE); 310480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Now do the "normal" pointer to function cast. 3105e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 3106e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 310780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian castType = Context->getPointerType(castType); 3108a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 31099d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast); 31101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Don't forget the parens to enforce the proper binding. 31128189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 31131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3114183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FT = msgSendType->getAs<FunctionType>(); 3115668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 31161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MsgExprs.size(), 3117f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FT->getResultType(), VK_RValue, 3118f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 31191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Build sizeof(returnType) 3121f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne UnaryExprOrTypeTraitExpr *sizeofExpr = 3122f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne new (Context) UnaryExprOrTypeTraitExpr(UETT_SizeOf, 3123f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Context->getTrivialTypeSourceInfo(returnType), 3124f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne Context->getSizeType(), SourceLocation(), 3125f4e3cfbe8abd124be6341ef5d714819b4fbd9082Peter Collingbourne SourceLocation()); 312680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 312780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 312880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 312980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // is needed to decide what to do. 31301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned IntSize = 313198be4943e8dc4f3905629a7102668960873cf863Chris Lattner static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 31329996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IntegerLiteral *limit = IntegerLiteral::Create(*Context, 31339996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt(IntSize, 8), 31349996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Context->IntTy, 31359996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis SourceLocation()); 3136f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall BinaryOperator *lessThanExpr = 3137f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 3138f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 313980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 31401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConditionalOperator *CondExpr = 314147e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor new (Context) ConditionalOperator(lessThanExpr, 314247e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation(), CE, 314356ca35d396d8692c384c785f9aeebcf22563fe1eJohn McCall SourceLocation(), STCE, 31440943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall returnType, VK_RValue, OK_Ordinary); 3145f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 3146f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian CondExpr); 314780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian } 3148f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 314933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return ReplacingStmt; 315033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian} 315133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian 3152b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 31531d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 31541d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Exp->getLocEnd()); 31551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3156934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Now do the actual rewrite. 3157dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, ReplacingStmt); 31581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3159f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 316033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return ReplacingStmt; 3161ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff} 3162ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff 3163621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// typedef struct objc_object Protocol; 3164621edce9cd7d4e06979daf911cc306350619f33bSteve NaroffQualType RewriteObjC::getProtocolType() { 3165621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!ProtocolTypeDecl) { 3166a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo 3167a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 3168621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 3169344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), SourceLocation(), 3170621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff &Context->Idents.get("Protocol"), 3171a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo); 3172621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3173621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return Context->getTypeDeclType(ProtocolTypeDecl); 3174621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff} 3175621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 317636ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 3177621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// a synthesized/forward data reference (to the protocol's metadata). 3178621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// The forward references (and metadata) are generated in 3179621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// RewriteObjC::HandleTranslationUnit(). 3180b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 3181621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString(); 3182621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff IdentifierInfo *ID = &Context->Idents.get(Name); 31831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 3184ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), ID, getProtocolType(), 0, 3185d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, SC_None); 3186f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, getProtocolType(), VK_LValue, 3187f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 31882de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 3189621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getPointerType(DRE->getType()), 3190f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 31919d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 3192a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 31939d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall DerefExpr); 3194621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ReplaceStmt(Exp, castExpr); 3195621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolExprDecls.insert(Exp->getProtocol()); 3196f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 3197621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return castExpr; 31981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 319936ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian} 320036ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian 32011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool RewriteObjC::BufferContainsPPDirectives(const char *startBuf, 3202baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff const char *endBuf) { 3203baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff while (startBuf < endBuf) { 3204baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (*startBuf == '#') { 3205baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // Skip whitespace. 3206baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 3207baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff ; 3208baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (!strncmp(startBuf, "if", strlen("if")) || 3209baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "ifdef", strlen("ifdef")) || 3210baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "ifndef", strlen("ifndef")) || 3211baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "define", strlen("define")) || 3212baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "undef", strlen("undef")) || 3213baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "else", strlen("else")) || 3214baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "elif", strlen("elif")) || 3215baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "endif", strlen("endif")) || 3216baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "pragma", strlen("pragma")) || 3217baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "include", strlen("include")) || 3218baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "import", strlen("import")) || 3219baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "include_next", strlen("include_next"))) 3220baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff return true; 3221baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3222baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff startBuf++; 3223baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3224baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff return false; 3225baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff} 3226baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff 3227a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// SynthesizeObjCInternalStruct - Rewrite one internal struct corresponding to 322826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// an objective-c class with ivars. 3229b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl, 323026e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result) { 3231a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 32324087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar assert(CDecl->getName() != "" && 32332e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor "Name missing in SynthesizeObjCInternalStruct"); 3234212b768a4b39479bc8cce1268a95a1adbd825542Fariborz Jahanian // Do not synthesize more than once. 3235a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCSynthesizedStructs.count(CDecl)) 3236212b768a4b39479bc8cce1268a95a1adbd825542Fariborz Jahanian return; 3237a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3238f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner int NumIvars = CDecl->ivar_size(); 32392c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 32402c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian SourceLocation LocEnd = CDecl->getLocEnd(); 32411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32422c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 32432c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 32441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3245aff56d0bffdad7ed75db938d5e61e1ce3d5cd195Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 3246f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3247f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner if ((CDecl->isForwardDecl() || NumIvars == 0) && 3248f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 32492c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3250d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, Result); 325126e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian return; 32522c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian } 32531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This has potential of causing problem. If 3255a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // SynthesizeObjCInternalStruct is ever called recursively. 3256fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result += "\nstruct "; 3257d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 325861ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff if (LangOpts.Microsoft) 325961ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff Result += "_IMPL"; 326005b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff 3261fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian if (NumIvars > 0) { 3262fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff const char *cursor = strchr(startBuf, '{'); 32631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((cursor && endBuf) 3264a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek && "SynthesizeObjCInternalStruct - malformed @interface"); 3265baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // If the buffer contains preprocessor directives, we do more fine-grained 3266baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrites. This is intended to fix code that looks like (which occurs in 3267baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // NSURL.h, for example): 3268baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // 3269baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #ifdef XYZ 3270baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @interface Foo : NSObject 3271baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #else 3272baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @interface FooBar : NSObject 3273baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #endif 3274baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // { 3275baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // int i; 3276baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // } 3277baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @end 3278baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // 3279baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // This clause is segregated to avoid breaking the common case. 3280baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (BufferContainsPPDirectives(startBuf, cursor)) { 32811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation L = RCDecl ? CDecl->getSuperClassLoc() : 3282baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff CDecl->getClassLoc(); 3283baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff const char *endHeader = SM->getCharacterData(L); 32842c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endHeader += Lexer::MeasureTokenLength(L, *SM, LangOpts); 3285baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff 3286cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 3287baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // advance to the end of the referenced protocols. 3288baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff while (endHeader < cursor && *endHeader != '>') endHeader++; 3289baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff endHeader++; 3290baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3291baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrite the original header 3292d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endHeader-startBuf, Result); 3293baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } else { 3294baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrite the original header *without* disturbing the '{' 3295d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, cursor-startBuf, Result); 3296baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3297a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3298fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result = "\n struct "; 3299d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 330039bbd9f5918950436821585afc6244b1fe2c7295Steve Naroff Result += "_IMPL "; 3301d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 3302819173c41e395744480e8f325dc5c02438420604Steve Naroff Result += "_IVARS;\n"; 33031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3304fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // insert the super class structure definition. 3305f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner SourceLocation OnePastCurly = 3306f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner LocStart.getFileLocWithOffset(cursor-startBuf+1); 3307d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(OnePastCurly, Result); 3308fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff } 3309fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff cursor++; // past '{' 33101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3311fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // Now comment out any visibility specifiers. 3312fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff while (cursor < endBuf) { 3313fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff if (*cursor == '@') { 3314fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff SourceLocation atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3315df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner // Skip whitespace. 3316df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner for (++cursor; cursor[0] == ' ' || cursor[0] == '\t'; ++cursor) 3317df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner /*scan*/; 3318df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner 3319fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian // FIXME: presence of @public, etc. inside comment results in 3320fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian // this transformation as well, which is still correct c-code. 3321fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff if (!strncmp(cursor, "public", strlen("public")) || 3322fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff !strncmp(cursor, "private", strlen("private")) || 3323c5e327712499caa2a9f3b6591490de8cb7df0b5bSteve Naroff !strncmp(cursor, "package", strlen("package")) || 33249567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian !strncmp(cursor, "protected", strlen("protected"))) 3325d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, "// "); 3326fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian } 33279567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // FIXME: If there are cases where '<' is used in ivar declaration part 33289567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // of user code, then scan the ivar list and use needToScanForQualifiers 33299567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // for type checking. 33309567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian else if (*cursor == '<') { 33319567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian SourceLocation atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3332d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, "/* "); 33339567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian cursor = strchr(cursor, '>'); 33349567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian cursor++; 33359567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3336d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, " */"); 3337ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff } else if (*cursor == '^') { // rewrite block specifier. 3338ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff SourceLocation caretLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3339d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(caretLoc, 1, "*"); 33409567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian } 3341fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff cursor++; 3342fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian } 3343fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // Don't forget to add a ';'!! 3344d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocEnd.getFileLocWithOffset(1), ";"); 3345fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff } else { // we don't have any instance variables - insert super struct. 33462c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3347fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result += " {\n struct "; 3348d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 334939bbd9f5918950436821585afc6244b1fe2c7295Steve Naroff Result += "_IMPL "; 3350d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 3351819173c41e395744480e8f325dc5c02438420604Steve Naroff Result += "_IVARS;\n};\n"; 3352d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, Result); 335326e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian } 335426e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian // Mark this struct as having been generated. 3355a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCSynthesizedStructs.insert(CDecl)) 3356fbfe82527dadb09c95609a742744d75a2322850cSteve Naroff assert(false && "struct already synthesize- SynthesizeObjCInternalStruct"); 335726e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian} 335826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian 3359a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 33602e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian/// class methods. 3361653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregortemplate<typename MethodIterator> 3362653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregorvoid RewriteObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 3363653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor MethodIterator MethodEnd, 33648e991ba2e256e56959a65a049e161aa30b3c0decFariborz Jahanian bool IsInstanceMethod, 33654087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 33664087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 3367158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner std::string &Result) { 3368ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner if (MethodBegin == MethodEnd) return; 33691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3370ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner if (!objc_impl_method) { 33712e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_method { 3372e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian SEL _cmd; 3373e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian char *method_types; 3374e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian void *_imp; 3375e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 33762e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 3377158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\nstruct _objc_method {\n"; 3378158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tSEL _cmd;\n"; 3379158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tchar *method_types;\n"; 3380158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tvoid *_imp;\n"; 3381158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "};\n"; 33821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3383ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian objc_impl_method = true; 3384ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 33851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3386ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian // Build _objc_method_list for class's methods if needed 33871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3388946a693aea83123f4039012c3bca7bc70800018bSteve Naroff /* struct { 3389946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_method_list *next_method; 3390946a693aea83123f4039012c3bca7bc70800018bSteve Naroff int method_count; 3391946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_method method_list[]; 3392946a693aea83123f4039012c3bca7bc70800018bSteve Naroff } 3393946a693aea83123f4039012c3bca7bc70800018bSteve Naroff */ 3394653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 3395946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\nstatic struct {\n"; 3396946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_method_list *next_method;\n"; 3397946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tint method_count;\n"; 3398946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_method method_list["; 3399653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Result += utostr(NumMethods); 3400946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "];\n} _OBJC_"; 3401ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += prefix; 3402ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 3403ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "_METHODS_"; 3404ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += ClassName; 3405dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __"; 3406ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += IsInstanceMethod ? "inst" : "cls"; 3407ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "_meth\")))= "; 3408653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 3409ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner 3410ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t,{{(SEL)\""; 3411077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Result += (*MethodBegin)->getSelector().getAsString().c_str(); 3412ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner std::string MethodTypeString; 3413a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 3414ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\", \""; 3415ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodTypeString; 3416946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\", (void *)"; 3417ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodInternalNames[*MethodBegin]; 3418ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "}\n"; 3419ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 3420ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t ,{(SEL)\""; 3421077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Result += (*MethodBegin)->getSelector().getAsString().c_str(); 342233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian std::string MethodTypeString; 3423a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 342433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian Result += "\", \""; 342533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian Result += MethodTypeString; 3426946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\", (void *)"; 3427ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodInternalNames[*MethodBegin]; 3428b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian Result += "}\n"; 3429e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3430ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t }\n};\n"; 34312e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 34322e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3433621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 3434780f329cb011bff0da5763e2e9744eec093d0509Chris Lattnervoid RewriteObjC:: 34354087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarRewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, llvm::StringRef prefix, 34364087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, std::string &Result) { 3437e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian static bool objc_protocol_methods = false; 3438621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3439621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output struct protocol_methods holder of method selector and type. 3440621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!objc_protocol_methods && !PDecl->isForwardDecl()) { 3441621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct protocol_methods { 3442621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff SEL _cmd; 3443621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff char *method_types; 3444621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3445621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3446621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstruct _protocol_methods {\n"; 3447621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct objc_selector *_cmd;\n"; 3448621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tchar *method_types;\n"; 3449621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "};\n"; 34501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3451621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff objc_protocol_methods = true; 3452621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3453621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Do not synthesize the protocol more than once. 3454621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ObjCSynthesizedProtocols.count(PDecl)) 3455621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return; 34561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 345717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->instmeth_begin() != PDecl->instmeth_end()) { 345817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumMethods = std::distance(PDecl->instmeth_begin(), 345917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PDecl->instmeth_end()); 3460621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol_method_list { 3461621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff int protocol_method_count; 3462621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct protocol_methods protocols[]; 3463621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3464621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3465621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct {\n"; 3466621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tint protocol_method_count;\n"; 3467621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _protocol_methods protocol_methods["; 3468621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3469621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "];\n} _OBJC_PROTOCOL_INSTANCE_METHODS_"; 3470621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3471621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __cat_inst_meth\")))= " 3472621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t" + utostr(NumMethods) + "\n"; 34731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3474621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output instance methods declared in this protocol. 34751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::instmeth_iterator 34761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 3477621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff I != E; ++I) { 347817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (I == PDecl->instmeth_begin()) 3479621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{{(struct objc_selector *)\""; 3480621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3481621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{(struct objc_selector *)\""; 34824087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Result += (*I)->getSelector().getAsString(); 3483621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string MethodTypeString; 3484621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForMethodDecl((*I), MethodTypeString); 3485621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", \""; 3486621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += MethodTypeString; 3487621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\"}\n"; 34889d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 3489621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t }\n};\n"; 3490621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 34911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3492621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output class methods declared in this protocol. 349317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumMethods = std::distance(PDecl->classmeth_begin(), 349417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PDecl->classmeth_end()); 3495621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (NumMethods > 0) { 3496621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol_method_list { 3497621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff int protocol_method_count; 3498621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct protocol_methods protocols[]; 3499621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 35009d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner */ 3501621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct {\n"; 3502621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tint protocol_method_count;\n"; 3503621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _protocol_methods protocol_methods["; 3504621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3505621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "];\n} _OBJC_PROTOCOL_CLASS_METHODS_"; 3506d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += PDecl->getNameAsString(); 3507621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 3508621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t"; 3509621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3510621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\n"; 35111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3512621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output instance methods declared in this protocol. 35131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::classmeth_iterator 351417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 3515621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff I != E; ++I) { 351617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (I == PDecl->classmeth_begin()) 3517621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{{(struct objc_selector *)\""; 3518621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3519621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{(struct objc_selector *)\""; 35204087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Result += (*I)->getSelector().getAsString(); 3521621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string MethodTypeString; 3522621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForMethodDecl((*I), MethodTypeString); 3523621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", \""; 3524621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += MethodTypeString; 3525621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\"}\n"; 3526e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3527621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t }\n};\n"; 3528621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3529621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3530621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output: 3531621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol { 3532621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Objective-C 1.0 extensions 3533621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_extension *isa; 3534621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff char *protocol_name; 3535621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol **protocol_list; 3536621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_method_list *instance_methods; 3537621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_method_list *class_methods; 35381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3539621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3540621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff static bool objc_protocol = false; 3541621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!objc_protocol) { 3542621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstruct _objc_protocol {\n"; 3543621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_extension *isa;\n"; 3544621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tchar *protocol_name;\n"; 3545621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol **protocol_list;\n"; 3546621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_method_list *instance_methods;\n"; 3547621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_method_list *class_methods;\n"; 35489d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "};\n"; 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3550621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff objc_protocol = true; 3551621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 35521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3553621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct _objc_protocol _OBJC_PROTOCOL_"; 3554621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3555621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __protocol\")))= " 3556621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t0, \""; 3557621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3558621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", 0, "; 355917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->instmeth_begin() != PDecl->instmeth_end()) { 3560621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 3561621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3562621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += ", "; 35639d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 3564621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3565621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "0, "; 356617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->classmeth_begin() != PDecl->classmeth_end()) { 3567621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 3568621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3569621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\n"; 3570621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3571621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3572621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "0\n"; 3573621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "};\n"; 35741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3575621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Mark this protocol as having been generated. 3576621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!ObjCSynthesizedProtocols.insert(PDecl)) 3577621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff assert(false && "protocol already synthesized"); 3578621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3579621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff} 3580621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3581621edce9cd7d4e06979daf911cc306350619f33bSteve Naroffvoid RewriteObjC:: 3582621edce9cd7d4e06979daf911cc306350619f33bSteve NaroffRewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Protocols, 35834087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, llvm::StringRef ClassName, 3584621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result) { 3585621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (Protocols.empty()) return; 35861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3587621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff for (unsigned i = 0; i != Protocols.size(); i++) 3588621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolMetaData(Protocols[i], prefix, ClassName, Result); 3589621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 35909d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner // Output the top lovel protocol meta-data for the class. 35919d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner /* struct _objc_protocol_list { 35929d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner struct _objc_protocol_list *next; 35939d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner int protocol_count; 35949d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner struct _objc_protocol *class_protocols[]; 35959d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 35969d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner */ 35979d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\nstatic struct {\n"; 35989d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tstruct _objc_protocol_list *next;\n"; 35999d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tint protocol_count;\n"; 36009d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tstruct _objc_protocol *class_protocols["; 36019d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += utostr(Protocols.size()); 36029d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "];\n} _OBJC_"; 36039d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += prefix; 36049d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "_PROTOCOLS_"; 36059d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += ClassName; 36069d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 36079d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner "{\n\t0, "; 36089d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += utostr(Protocols.size()); 36099d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\n"; 36101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36119d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t,{&_OBJC_PROTOCOL_"; 3612d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += Protocols[0]->getNameAsString(); 36139d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += " \n"; 36141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36159d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner for (unsigned i = 1; i != Protocols.size(); i++) { 36169d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t ,&_OBJC_PROTOCOL_"; 3617d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += Protocols[i]->getNameAsString(); 36189d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\n"; 36199d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 36209d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t }\n};\n"; 36212e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 36222e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3623621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 36241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 36252e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian/// implementation. 3626b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 3627ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result) { 3628a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 36292e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Find category declaration for this implementation. 3630a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl *CDecl; 36311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (CDecl = ClassDecl->getCategoryList(); CDecl; 36322e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian CDecl = CDecl->getNextClassCategory()) 36332e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 36342e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian break; 36351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3636d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FullCategoryName = ClassDecl->getNameAsString(); 3637eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner FullCategoryName += '_'; 3638d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner FullCategoryName += IDecl->getNameAsString(); 36391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36402e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 36411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::SmallVector<ObjCMethodDecl *, 32> 364217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 3643653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor 3644653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // If any of our property implementations have associated getters or 3645653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // setters, produce metadata for them as well. 364617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 364717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PropEnd = IDecl->propimpl_end(); 3648653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Prop != PropEnd; ++Prop) { 3649653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 3650653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3651653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!(*Prop)->getPropertyIvarDecl()) 3652653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3653653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 3654653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!PD) 3655653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3656653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 3657653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Getter); 3658653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (PD->isReadOnly()) 3659653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3660653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 3661653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Setter); 3662653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor } 3663653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 3664eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner true, "CATEGORY_", FullCategoryName.c_str(), 3665eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner Result); 36661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36672e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's class methods if needed 366817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 3669eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner false, "CATEGORY_", FullCategoryName.c_str(), 3670eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner Result); 36711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36722e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Protocols referenced in class declaration? 3673bac97d43c9552ac0e084bb81fb7404908f1e9970Fariborz Jahanian // Null CDecl is case of a category implementation with no category interface 3674bac97d43c9552ac0e084bb81fb7404908f1e9970Fariborz Jahanian if (CDecl) 3675621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), "CATEGORY", 36764087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FullCategoryName, Result); 36772e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_category { 36782e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *category_name; 36792e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *class_name; 36802e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_method_list *instance_methods; 36812e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_method_list *class_methods; 36822e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_protocol_list *protocols; 36832e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Objective-C 1.0 extensions 36842e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian uint32_t size; // sizeof (struct _objc_category) 36851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump struct _objc_property_list *instance_properties; // category's own 36862e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // @property decl. 36871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 36882e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 36891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36902e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian static bool objc_category = false; 36912e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (!objc_category) { 3692ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_category {\n"; 3693ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *category_name;\n"; 3694ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *class_name;\n"; 3695ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *instance_methods;\n"; 3696ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *class_methods;\n"; 3697ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 36981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\tunsigned int size;\n"; 3699ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_property_list *instance_properties;\n"; 3700ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 37012e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian objc_category = true; 3702e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3703ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_category _OBJC_CATEGORY_"; 3704ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3705dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __category\")))= {\n\t\""; 3706d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 3707ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\"\n\t, \""; 3708d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ClassDecl->getNameAsString(); 3709ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\"\n"; 37101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 371117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 3712ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 3713ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "&_OBJC_CATEGORY_INSTANCE_METHODS_"; 3714ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3715ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3716ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 37172e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3718ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 371917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 3720ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 3721ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "&_OBJC_CATEGORY_CLASS_METHODS_"; 3722ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3723ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3724ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 37252e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3726ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 37271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3728cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl && CDecl->protocol_begin() != CDecl->protocol_end()) { 37291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_"; 3730ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3731ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3732ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 37332e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3734ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 3735ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, sizeof(struct _objc_category), 0\n};\n"; 37362e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 37372e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 373826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// SynthesizeIvarOffsetComputation - This rutine synthesizes computation of 373926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// ivar offset. 37402d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanianvoid RewriteObjC::SynthesizeIvarOffsetComputation(ObjCIvarDecl *ivar, 374126e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result) { 37428f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff if (ivar->isBitField()) { 37438f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff // FIXME: The hack below doesn't work for bitfields. For now, we simply 37448f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff // place all bitfields at offset 0. 37458f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "0"; 37468f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff } else { 37478f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "__OFFSETOFIVAR__(struct "; 37482d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 37498f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff if (LangOpts.Microsoft) 37508f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "_IMPL"; 37518f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += ", "; 3752d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ivar->getNameAsString(); 37538f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += ")"; 37548f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff } 375526e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian} 375626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian 37572e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian//===----------------------------------------------------------------------===// 37582e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian// Meta Data Emission 37592e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian//===----------------------------------------------------------------------===// 37602e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3761b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 3762ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result) { 3763a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 37641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3765fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner // Explicitly declared @interface's are already synthesized. 376633feeb019a5742b286eededd5446ec0fe87c5a61Steve Naroff if (CDecl->isImplicitInterfaceDecl()) { 37671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: Implementation of a class with no @interface (legacy) doese not 3768ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian // produce correct synthesis as yet. 3769a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek SynthesizeObjCInternalStruct(CDecl, Result); 3770ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian } 37711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3772be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner // Build _objc_ivar_list metadata for classes ivars if needed 377317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumIvars = !IDecl->ivar_empty() 37741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ? IDecl->ivar_size() 3775f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner : (CDecl ? CDecl->ivar_size() : 0); 37762e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (NumIvars > 0) { 37772e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian static bool objc_ivar = false; 37782e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (!objc_ivar) { 37792e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_ivar { 37802e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *ivar_name; 37812e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *ivar_type; 37822e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian int ivar_offset; 37831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 37842e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 3785ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_ivar {\n"; 3786ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *ivar_name;\n"; 3787ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *ivar_type;\n"; 3788ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tint ivar_offset;\n"; 3789ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 37901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37912e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian objc_ivar = true; 37922e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian } 37932e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3794946a693aea83123f4039012c3bca7bc70800018bSteve Naroff /* struct { 3795946a693aea83123f4039012c3bca7bc70800018bSteve Naroff int ivar_count; 3796946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_ivar ivar_list[nIvars]; 37971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3798946a693aea83123f4039012c3bca7bc70800018bSteve Naroff */ 37991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\nstatic struct {\n"; 3800946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tint ivar_count;\n"; 3801946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_ivar ivar_list["; 3802946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += utostr(NumIvars); 3803946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "];\n} _OBJC_INSTANCE_VARIABLES_"; 3804d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 3805dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __instance_vars\")))= " 3806ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t"; 3807ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += utostr(NumIvars); 3808ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 38091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3810a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl::ivar_iterator IVI, IVE; 38118f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor llvm::SmallVector<ObjCIvarDecl *, 8> IVars; 381217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (!IDecl->ivar_empty()) { 381311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator 381417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis IV = IDecl->ivar_begin(), IVEnd = IDecl->ivar_end(); 38158f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor IV != IVEnd; ++IV) 38168f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor IVars.push_back(*IV); 381711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian IVI = IDecl->ivar_begin(); 381811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian IVE = IDecl->ivar_end(); 3819be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner } else { 3820be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner IVI = CDecl->ivar_begin(); 3821be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner IVE = CDecl->ivar_end(); 3822be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner } 3823ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,{{\""; 3824d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (*IVI)->getNameAsString(); 3825160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", \""; 3826621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string TmpString, StrEncoding; 3827621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 3828621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QuoteDoublequotes(TmpString, StrEncoding); 3829160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += StrEncoding; 3830160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", "; 38312d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian SynthesizeIvarOffsetComputation(*IVI, Result); 383226e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian Result += "}\n"; 3833be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner for (++IVI; IVI != IVE; ++IVI) { 3834ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t ,{\""; 3835d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (*IVI)->getNameAsString(); 3836160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", \""; 3837621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string TmpString, StrEncoding; 3838621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 3839621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QuoteDoublequotes(TmpString, StrEncoding); 3840160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += StrEncoding; 3841160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", "; 38422d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian SynthesizeIvarOffsetComputation((*IVI), Result); 384326e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian Result += "}\n"; 3844ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 38451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3846ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t }\n};\n"; 38472e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian } 38481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38492e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 38501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::SmallVector<ObjCMethodDecl *, 32> 385117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 3852653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor 3853653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // If any of our property implementations have associated getters or 3854653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // setters, produce metadata for them as well. 385517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 385617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PropEnd = IDecl->propimpl_end(); 3857653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Prop != PropEnd; ++Prop) { 3858653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 3859653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3860653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!(*Prop)->getPropertyIvarDecl()) 3861653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3862653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 3863653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!PD) 3864653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3865653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 3866ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (!Getter->isDefined()) 3867ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian InstanceMethods.push_back(Getter); 3868653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (PD->isReadOnly()) 3869653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3870653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 3871ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (!Setter->isDefined()) 3872ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian InstanceMethods.push_back(Setter); 3873653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor } 3874653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 38754087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar true, "", IDecl->getName(), Result); 38761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38772e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's class methods if needed 387817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 38794087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar false, "", IDecl->getName(), Result); 38801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38812e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Protocols referenced in class declaration? 3882621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), 38834087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar "CLASS", CDecl->getName(), Result); 38841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3885deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // Declaration of class/meta-class metadata 3886deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian /* struct _objc_class { 3887deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_class *isa; // or const char *root_class_name when metadata 38889f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian const char *super_class_name; 38899f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian char *name; 38909f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long version; 38919f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long info; 38929f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long instance_size; 3893deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_ivar_list *ivars; 3894deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_method_list *methods; 38959f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct objc_cache *cache; 38969f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct objc_protocol_list *protocols; 38979f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian const char *ivar_layout; 38989f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct _objc_class_ext *ext; 38991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 39009f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian */ 3901deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian static bool objc_class = false; 3902deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian if (!objc_class) { 3903ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_class {\n"; 3904ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_class *isa;\n"; 3905ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *super_class_name;\n"; 3906ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *name;\n"; 3907ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong version;\n"; 3908ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong info;\n"; 3909ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong instance_size;\n"; 3910ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_ivar_list *ivars;\n"; 3911ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *methods;\n"; 3912ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct objc_cache *cache;\n"; 3913ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 3914ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *ivar_layout;\n"; 3915ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_class_ext *ext;\n"; 3916ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 3917deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian objc_class = true; 39189f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian } 39191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39209f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian // Meta-class metadata generation. 3921a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *RootClass = 0; 3922a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass(); 39239f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian while (SuperClass) { 39249f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian RootClass = SuperClass; 39259f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian SuperClass = SuperClass->getSuperClass(); 39269f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian } 39279f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian SuperClass = CDecl->getSuperClass(); 39281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3929ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_METACLASS_"; 3930d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3931dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __meta_class\")))= " 3932ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t(struct _objc_class *)\""; 3933d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (RootClass ? RootClass->getNameAsString() : CDecl->getNameAsString()); 3934ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3935ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian 3936ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (SuperClass) { 3937ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", \""; 3938d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += SuperClass->getNameAsString(); 3939ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\", \""; 3940d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3941ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3942ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3943ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian else { 3944ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0, \""; 3945d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3946ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3947ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3948a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // Set 'ivars' field for root class to 0. ObjC1 runtime does not use it. 39499f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian // 'info' field is initialized to CLS_META(2) for metaclass 3950ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0,2, sizeof(struct _objc_class), 0"; 395117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 395223f4127411d926fc6a1fe9af7c2bf97e653f16ebSteve Naroff Result += "\n\t, (struct _objc_method_list *)&_OBJC_CLASS_METHODS_"; 3953d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 39541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\n"; 3955ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 39569f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian else 3957ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0\n"; 3958cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 39598eb4a5e70a1bc3d832f90a150fdd84096532c2e2Steve Naroff Result += "\t,0, (struct _objc_protocol_list *)&_OBJC_CLASS_PROTOCOLS_"; 3960d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3961ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0\n"; 3962ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3963454cb012a948ab3dfef5e80ee32b470689c42ba5Fariborz Jahanian else 3964ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,0,0,0,0\n"; 3965ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 39661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3967deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // class metadata generation. 3968ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_CLASS_"; 3969d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3970dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __class\")))= " 3971ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t&_OBJC_METACLASS_"; 3972d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3973ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (SuperClass) { 3974ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", \""; 3975d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += SuperClass->getNameAsString(); 3976ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\", \""; 3977d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3978ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3979ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3980ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian else { 3981ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0, \""; 3982d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3983ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3984ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3985deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // 'info' field is initialized to CLS_CLASS(1) for class 39864d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ", 0,1"; 3987a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCSynthesizedStructs.count(CDecl)) 39884d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ",0"; 39894d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian else { 39904d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian // class has size. Must synthesize its size. 3991909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian Result += ",sizeof(struct "; 3992d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3993ba9ac4e5b86842216a0a0eef5886d41e0d7fed0eSteve Naroff if (LangOpts.Microsoft) 3994ba9ac4e5b86842216a0a0eef5886d41e0d7fed0eSteve Naroff Result += "_IMPL"; 39954d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ")"; 39964d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian } 3997ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (NumIvars > 0) { 3998c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff Result += ", (struct _objc_ivar_list *)&_OBJC_INSTANCE_VARIABLES_"; 3999d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 4000ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n\t"; 4001ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 4002deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 4003ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0"; 400417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 4005946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += ", (struct _objc_method_list *)&_OBJC_INSTANCE_METHODS_"; 4006d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 40071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += ", 0\n\t"; 4008ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 4009deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 4010ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0"; 4011cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 40128eb4a5e70a1bc3d832f90a150fdd84096532c2e2Steve Naroff Result += ", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_"; 4013d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 4014ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0,0\n"; 4015ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 4016deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 4017ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0,0\n"; 4018ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 40199f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian} 4020f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian 40217a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 40227a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian/// and emits meta-data. 40237a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian 4024ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroffvoid RewriteObjC::RewriteImplementations() { 4025545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 4026545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 40271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40287a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian // Rewrite implemented methods 40297a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 40307a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian RewriteImplementationDecl(ClassImplementation[i]); 40311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 403266d6b294af6f114c718039e3279cfd23040cad7bFariborz Jahanian for (int i = 0; i < CatDefCount; i++) 403366d6b294af6f114c718039e3279cfd23040cad7bFariborz Jahanian RewriteImplementationDecl(CategoryImplementation[i]); 4034ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff} 40351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4036ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroffvoid RewriteObjC::SynthesizeMetaDataIntoBuffer(std::string &Result) { 4037ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff int ClsDefCount = ClassImplementation.size(); 4038ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff int CatDefCount = CategoryImplementation.size(); 40397c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 40402e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // For each implemented class, write out all its meta data. 4041f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 4042a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCClassMetaData(ClassImplementation[i], Result); 40431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40442e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // For each implemented category, write out all its meta data. 40452e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian for (int i = 0; i < CatDefCount; i++) 4046a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 4047621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 4048545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian // Write objc_symtab metadata 4049545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian /* 4050545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_symtab 4051545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian { 4052545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long sel_ref_cnt; 4053545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian SEL *refs; 4054545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian short cls_def_cnt; 4055545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian short cat_def_cnt; 4056545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian void *defs[cls_def_cnt + cat_def_cnt]; 40571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 4058545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian */ 40591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4060ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_symtab {\n"; 4061ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong sel_ref_cnt;\n"; 4062ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tSEL *refs;\n"; 4063ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tshort cls_def_cnt;\n"; 4064ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tshort cat_def_cnt;\n"; 4065ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tvoid *defs[" + utostr(ClsDefCount + CatDefCount)+ "];\n"; 4066ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 40671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4068ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "static struct _objc_symtab " 4069dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff "_OBJC_SYMBOLS __attribute__((used, section (\"__OBJC, __symbols\")))= {\n"; 40701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t0, 0, " + utostr(ClsDefCount) 4071ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian + ", " + utostr(CatDefCount) + "\n"; 4072ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 4073ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,&_OBJC_CLASS_"; 4074d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ClassImplementation[i]->getNameAsString(); 4075ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 4076ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 40771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4078ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 4079ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,&_OBJC_CATEGORY_"; 4080d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CategoryImplementation[i]->getClassInterface()->getNameAsString(); 4081ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "_"; 4082d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CategoryImplementation[i]->getNameAsString(); 4083ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 4084ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 40851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4086ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 40871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4088545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian // Write objc_module metadata 40891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4090545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian /* 4091545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_module { 4092545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long version; 4093545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long size; 4094545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian const char *name; 4095545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_symtab *symtab; 4096545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian } 4097545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian */ 40981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4099ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_module {\n"; 4100ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong version;\n"; 4101ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong size;\n"; 4102ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *name;\n"; 4103ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_symtab *symtab;\n"; 4104ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 4105ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "static struct _objc_module " 4106dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff "_OBJC_MODULES __attribute__ ((used, section (\"__OBJC, __module_info\")))= {\n"; 41071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t" + utostr(OBJC_ABI_VERSION) + 410826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian ", sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n"; 4109ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 41104f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff 41114f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff if (LangOpts.Microsoft) { 4112621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ProtocolExprDecls.size()) { 4113621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma section(\".objc_protocol$B\",long,read,write)\n"; 4114621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma data_seg(push, \".objc_protocol$B\")\n"; 41151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 4116621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff E = ProtocolExprDecls.end(); I != E; ++I) { 4117621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "static struct _objc_protocol *_POINTER_OBJC_PROTOCOL_"; 4118621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += (*I)->getNameAsString(); 4119621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " = &_OBJC_PROTOCOL_"; 4120621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += (*I)->getNameAsString(); 4121621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += ";\n"; 4122621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 4123621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma data_seg(pop)\n\n"; 4124621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 41254f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "#pragma section(\".objc_module_info$B\",long,read,write)\n"; 41261919032c9b6e9969e42093ee2e75a4de6abcb2b0Steve Naroff Result += "#pragma data_seg(push, \".objc_module_info$B\")\n"; 41274f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "static struct _objc_module *_POINTER_OBJC_MODULES = "; 41284f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "&_OBJC_MODULES;\n"; 41294f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "#pragma data_seg(pop)\n\n"; 41304f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff } 4131545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian} 4132311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner 4133a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanianvoid RewriteObjC::RewriteByRefString(std::string &ResultStr, 4134a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian const std::string &Name, 41351e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ValueDecl *VD, bool def) { 4136a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 4137a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 41381e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian if (def) 41391e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ResultStr += "struct "; 41401e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 4141a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 4142a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian} 4143a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian 41446cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 41456cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 41466cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 41476cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return false; 41486cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian} 41496cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 415054055232a5ddb9529726e934301b125cb720a273Steve Naroffstd::string RewriteObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 41514087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, 415254055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Tag) { 415354055232a5ddb9529726e934301b125cb720a273Steve Naroff const FunctionType *AFT = CE->getFunctionType(); 415454055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType RT = AFT->getResultType(); 415554055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string StructRef = "struct " + Tag; 4156fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string S = "static " + RT.getAsString(Context->PrintingPolicy) + " __" + 41574087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar funcName.str() + "_" + "block_func_" + utostr(i); 415854055232a5ddb9529726e934301b125cb720a273Steve Naroff 415954055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDecl *BD = CE->getBlockDecl(); 41601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 416172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(AFT)) { 41621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // No user-supplied arguments. Still need to pass in a pointer to the 4163df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff // block (to reference imported block decl refs). 4164df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff S += "(" + StructRef + " *__cself)"; 416554055232a5ddb9529726e934301b125cb720a273Steve Naroff } else if (BD->param_empty()) { 416654055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef + " *__cself)"; 416754055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 416872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 416954055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(FT && "SynthesizeBlockFunc: No function proto"); 417054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += '('; 417154055232a5ddb9529726e934301b125cb720a273Steve Naroff // first add the implicit argument. 417254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += StructRef + " *__cself, "; 417354055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ParamStr; 417454055232a5ddb9529726e934301b125cb720a273Steve Naroff for (BlockDecl::param_iterator AI = BD->param_begin(), 417554055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BD->param_end(); AI != E; ++AI) { 417654055232a5ddb9529726e934301b125cb720a273Steve Naroff if (AI != BD->param_begin()) S += ", "; 4177d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ParamStr = (*AI)->getNameAsString(); 41781f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType QT = (*AI)->getType(); 41794fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 41804fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->PrintingPolicy); 41811f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian else 41821f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->PrintingPolicy); 418354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += ParamStr; 418454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 418554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FT->isVariadic()) { 418654055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!BD->param_empty()) S += ", "; 418754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "..."; 418854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 418954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += ')'; 419054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 419154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " {\n"; 41921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 419354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Create local declarations to avoid rewriting all closure decl ref exprs. 419454055232a5ddb9529726e934301b125cb720a273Steve Naroff // First, emit a declaration for all "by ref" decls. 4195bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 419654055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 419754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4198d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 4199a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string TypeString; 4200a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 4201a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian TypeString += " *"; 420252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Name = TypeString + Name; 4203d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 42041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 420554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Next, emit a declaration for all "by copy" declarations. 4206bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 420754055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 420854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 420954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 421054055232a5ddb9529726e934301b125cb720a273Steve Naroff // 421154055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedClosure)(void); 421254055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 42131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 421454055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherClosure)(void); 421554055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherClosure = ^(void) { 421654055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedClosure(); // import and invoke the closure 421754055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 421854055232a5ddb9529726e934301b125cb720a273Steve Naroff // 4219e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 4220e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 4221e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += " = ("; 4222e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 4223e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += ")"; 4224e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 4225e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 4226e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian else { 4227210c248449788d9ef910c8222267029653f83a2fFariborz Jahanian std::string Name = (*I)->getNameAsString(); 42286cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 42296cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 42306cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 42316cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(Name, Context->PrintingPolicy); 4232e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += Name + " = __cself->" + 4233e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 4234e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 423554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 423654055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string RewrittenStr = RewrittenBlockExprs[CE]; 423754055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *cstr = RewrittenStr.c_str(); 423854055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*cstr++ != '{') ; 423954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += cstr; 424054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "\n"; 424154055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 424254055232a5ddb9529726e934301b125cb720a273Steve Naroff} 424354055232a5ddb9529726e934301b125cb720a273Steve Naroff 424454055232a5ddb9529726e934301b125cb720a273Steve Naroffstd::string RewriteObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 42454087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, 424654055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Tag) { 424754055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string StructRef = "struct " + Tag; 424854055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string S = "static void __"; 42491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 425054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += funcName; 425154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "_block_copy_" + utostr(i); 425254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef; 425354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*dst, " + StructRef; 425454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*src) {"; 42551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 425654055232a5ddb9529726e934301b125cb720a273Steve Naroff E = ImportedBlockDecls.end(); I != E; ++I) { 42575bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff S += "_Block_object_assign((void*)&dst->"; 4258d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 425947a242208867fa433d05a78bf346bbb37721a507Steve Naroff S += ", (void*)src->"; 4260d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 4261bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 426273e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 4263d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian else 426473e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 426554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4266d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian S += "}\n"; 4267d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian 426854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "\nstatic void __"; 426954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += funcName; 427054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "_block_dispose_" + utostr(i); 427154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef; 427254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*src) {"; 42731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 427454055232a5ddb9529726e934301b125cb720a273Steve Naroff E = ImportedBlockDecls.end(); I != E; ++I) { 42755bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff S += "_Block_object_dispose((void*)src->"; 4276d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 4277bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 427873e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 4279d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian else 428073e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 428154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 42821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump S += "}\n"; 428354055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 428454055232a5ddb9529726e934301b125cb720a273Steve Naroff} 4285ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 428601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroffstd::string RewriteObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 428701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string Desc) { 4288ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff std::string S = "\nstruct " + Tag; 428954055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Constructor = " " + Tag; 42901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " {\n struct __block_impl impl;\n"; 429201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " struct " + Desc; 429301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "* Desc;\n"; 42941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += "(void *fp, "; // Invoke function pointer. 429601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += "struct " + Desc; // Descriptor pointer. 429701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " *desc"; 42981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 429954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs.size()) { 430054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Output all "by copy" declarations. 4301bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 430254055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 430354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4304d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FieldName = (*I)->getNameAsString(); 430554055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ArgName = "_" + FieldName; 430654055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 430754055232a5ddb9529726e934301b125cb720a273Steve Naroff // 430854055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedBlock)(void); 430954055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 43101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 431154055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherBlock)(void); 431254055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherBlock = ^(void) { 431354055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock(); // import and invoke the closure 431454055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 431554055232a5ddb9529726e934301b125cb720a273Steve Naroff // 431601f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) { 431754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "struct __block_impl *"; 431854055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", void *" + ArgName; 431954055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 43206cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 43216cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 43226cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 43236cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->PrintingPolicy); 43246cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->PrintingPolicy); 432554055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", " + ArgName; 432654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 432754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += FieldName + ";\n"; 432854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 432954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Output all "by ref" declarations. 4330bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 433154055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 433254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4333d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FieldName = (*I)->getNameAsString(); 433454055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ArgName = "_" + FieldName; 4335651ba520f9e1b38eeadbfc9bd21d0b7e570d69b7Fariborz Jahanian { 4336a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string TypeString; 4337a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 433852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian TypeString += " *"; 433952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian FieldName = TypeString + FieldName; 434052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ArgName = TypeString + ArgName; 434154055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", " + ArgName; 434254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 434354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += FieldName + "; // by ref\n"; 434454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 434554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Finish writing the constructor. 434620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", int flags=0)"; 434754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Initialize all "by copy" arguments. 434820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian bool firsTime = true; 4349bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 435054055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 4351d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 435220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (firsTime) { 435320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " : "; 435420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian firsTime = false; 435520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian } 435620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 435720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", "; 435820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 435920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 436020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 436120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 436254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 436354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Initialize all "by ref" arguments. 4364bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 436554055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 4366d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 436720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (firsTime) { 436820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " : "; 436920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian firsTime = false; 437020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian } 437120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 437220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", "; 4373651ba520f9e1b38eeadbfc9bd21d0b7e570d69b7Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 437454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 437520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian 437620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " {\n"; 437720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (GlobalVarDecl) 437820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 437920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 438020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 438120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 438220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian 438320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " Desc = desc;\n"; 438454055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 438554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Finish writing the constructor. 438654055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", int flags=0) {\n"; 4387621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (GlobalVarDecl) 4388621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 4389621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 4390621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 439101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 439201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " Desc = desc;\n"; 439354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 439454055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += " "; 439554055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += "}\n"; 439654055232a5ddb9529726e934301b125cb720a273Steve Naroff S += Constructor; 439754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "};\n"; 439854055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 439954055232a5ddb9529726e934301b125cb720a273Steve Naroff} 440039ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis 440101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroffstd::string RewriteObjC::SynthesizeBlockDescriptor(std::string DescTag, 440201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string ImplTag, int i, 44034087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName, 440401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned hasCopy) { 440501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string S = "\nstatic struct " + DescTag; 440601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 440701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " {\n unsigned long reserved;\n"; 440801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " unsigned long Block_size;\n"; 440901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff if (hasCopy) { 44104fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += " void (*copy)(struct "; 44114fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*, struct "; 44124fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*);\n"; 44134fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian 44144fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += " void (*dispose)(struct "; 44154fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*);\n"; 441601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 441701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "} "; 441801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 441901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += DescTag + "_DATA = { 0, sizeof(struct "; 442001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += ImplTag + ")"; 442101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff if (hasCopy) { 44224087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 44234087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 442401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 442501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "};\n"; 442601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff return S; 442701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff} 442801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 442954055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 44304087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName) { 4431abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // Insert declaration for the function in which block literal is used. 4432bf07012cf92253380ce427924870288a34230d1bFariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 4433abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 44348611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian bool RewriteSC = (GlobalVarDecl && 44358611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian !Blocks.empty() && 4436d931b086984257de68868a64a235c2b4b34003fbJohn McCall GlobalVarDecl->getStorageClass() == SC_Static && 44378611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 44388611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (RewriteSC) { 44398611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian std::string SC(" void __"); 44408611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 44418611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += "() {}"; 44428611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian InsertText(FunLocStart, SC); 44438611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian } 44448611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian 444554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Insert closures that were part of the function. 444672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 444772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 44485e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 44495e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // block. 445072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 445172952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockDeclRefExpr *Exp = InnerDeclRefs[count++]; 445272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian ValueDecl *VD = Exp->getDecl(); 445372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockDeclRefs.push_back(Exp); 445472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 445572952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 445672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByCopyDecls.push_back(VD); 445772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 445872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 445972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 446072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByRefDecls.push_back(VD); 446172952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 446292c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian // imported objects in the inner blocks not used in the outer 446392c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 446492c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian if (Exp->isByRef() || 446592c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian VD->getType()->isObjCObjectPointerType() || 446692c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian VD->getType()->isBlockPointerType()) 446792c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian ImportedBlockDecls.insert(VD); 446872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 446954055232a5ddb9529726e934301b125cb720a273Steve Naroff 44704087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 44714087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 44721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 447301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 447454055232a5ddb9529726e934301b125cb720a273Steve Naroff 4475d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, CI); 447654055232a5ddb9529726e934301b125cb720a273Steve Naroff 447701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 44781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4479d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, CF); 448054055232a5ddb9529726e934301b125cb720a273Steve Naroff 448154055232a5ddb9529726e934301b125cb720a273Steve Naroff if (ImportedBlockDecls.size()) { 448201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 4483d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, HF); 448454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 448501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 448601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff ImportedBlockDecls.size() > 0); 4487d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, BD); 44881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 448954055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDeclRefs.clear(); 449054055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockByRefDecls.clear(); 4491bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.clear(); 449254055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockByCopyDecls.clear(); 4493bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 449454055232a5ddb9529726e934301b125cb720a273Steve Naroff ImportedBlockDecls.clear(); 449554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 44968611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (RewriteSC) { 449761b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 449861b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian // removed as result of rewriting of block literals. 449961b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian std::string SC; 4500d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (GlobalVarDecl->getStorageClass() == SC_Static) 450161b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC = "static "; 450261b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 450361b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC += "const "; 450461b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 450561b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC += "volatile "; 45068611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 45078611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += "restrict "; 45088611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian InsertText(FunLocStart, SC); 450961b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian } 451061b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian 451154055232a5ddb9529726e934301b125cb720a273Steve Naroff Blocks.clear(); 45125e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefsCount.clear(); 45135e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefs.clear(); 451454055232a5ddb9529726e934301b125cb720a273Steve Naroff RewrittenBlockExprs.clear(); 451554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 451654055232a5ddb9529726e934301b125cb720a273Steve Naroff 451754055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 451854055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 45194087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FuncName = FD->getName(); 45201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 452154055232a5ddb9529726e934301b125cb720a273Steve Naroff SynthesizeBlockLiterals(FunLocStart, FuncName); 452254055232a5ddb9529726e934301b125cb720a273Steve Naroff} 452354055232a5ddb9529726e934301b125cb720a273Steve Naroff 4524e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 4525e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian ObjCMethodDecl *MD) { 4526e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 45274087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Name = IFace->getName(); 4528e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 4529e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian // Convert colons to underscores. 4530e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian std::string::size_type loc = 0; 4531e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 4532e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian Name.replace(loc, 1, "_"); 4533e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian} 4534e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian 453554055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 4536ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 4537ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff //SourceLocation FunLocStart = MD->getLocStart(); 45380e1c99a1a9068020daa7d85fcafb18490ea6a475Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 4539e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian std::string FuncName; 4540e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 45414087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar SynthesizeBlockLiterals(FunLocStart, FuncName); 454254055232a5ddb9529726e934301b125cb720a273Steve Naroff} 454354055232a5ddb9529726e934301b125cb720a273Steve Naroff 454454055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::GetBlockDeclRefExprs(Stmt *S) { 45457502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 454654055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*CI) { 454754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 454854055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(CBE->getBody()); 454954055232a5ddb9529726e934301b125cb720a273Steve Naroff else 455054055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(*CI); 455154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 455254055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle specific things. 45536cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 455454055232a5ddb9529726e934301b125cb720a273Steve Naroff // FIXME: Handle enums. 455554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!isa<FunctionDecl>(CDRE->getDecl())) 455654055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDeclRefs.push_back(CDRE); 45576cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45586cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 45596cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(DRE->getDecl())) { 45606cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian BlockDeclRefExpr *BDRE = 45616b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall new (Context)BlockDeclRefExpr(cast<VarDecl>(DRE->getDecl()), 45626b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall DRE->getType(), 4563f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, DRE->getLocation(), false); 45646cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian BlockDeclRefs.push_back(BDRE); 45656cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45666cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 456754055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 456854055232a5ddb9529726e934301b125cb720a273Steve Naroff} 456954055232a5ddb9529726e934301b125cb720a273Steve Naroff 45705e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanianvoid RewriteObjC::GetInnerBlockDeclRefExprs(Stmt *S, 45715e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 457272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 45737502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 45745e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian if (*CI) { 457572952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 457672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 45775e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 45785e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs, 457972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts); 458072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 45815e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian else 45825e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 45835e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs, 458472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts); 45855e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 45865e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian } 45875e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Handle specific things. 45886cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 45895e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl()) && 459072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian !InnerContexts.count(CDRE->getDecl()->getDeclContext())) 45915e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs.push_back(CDRE); 45926cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45936cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 45946cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 45956cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (Var->isFunctionOrMethodVarDecl()) 45966cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.insert(Var); 45976cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 459872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian 45995e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian return; 46005e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian} 46015e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 46021f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 46031f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 4604fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// might be block pointers to an equivalent function type replacing 46051f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// all block pointers to function pointers. 46061f90622e9d24064164df1608ea125d0ed451ac68Fariborz JahanianQualType RewriteObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 46071f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 46081f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // FTP will be null for closures that don't take arguments. 46091f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Generate a funky cast. 46101f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian llvm::SmallVector<QualType, 8> ArgTypes; 46111f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType Res = FT->getResultType(); 46124fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian bool HasBlockType = convertBlockPointerToFunctionPointer(Res); 46131f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian 46141f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian if (FTP) { 46151f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 46161f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 46171f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType t = *I; 46181f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 46194fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(t)) 46201f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian HasBlockType = true; 46211f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian ArgTypes.push_back(t); 46221f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian } 46231f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian } 46241f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType FuncType; 46251f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // FIXME. Does this work if block takes no argument but has a return type 46261f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // which is of block type? 46271f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian if (HasBlockType) 4628e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 46291f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian else FuncType = QualType(FT, 0); 46301f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian return FuncType; 46311f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian} 46321f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian 46338a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz JahanianStmt *RewriteObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 463454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Navigate to relevant type information. 463554055232a5ddb9529726e934301b125cb720a273Steve Naroff const BlockPointerType *CPT = 0; 46361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46378a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 46386217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = DRE->getType()->getAs<BlockPointerType>(); 46398a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } else if (const BlockDeclRefExpr *CDRE = 46408a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian dyn_cast<BlockDeclRefExpr>(BlockExp)) { 46416217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = CDRE->getType()->getAs<BlockPointerType>(); 46428a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 46436217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = MExpr->getType()->getAs<BlockPointerType>(); 46448a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } 46458a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 46468a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 46478a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } 46488a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 46498a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 46508a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ConditionalOperator *CEXPR = 46518a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 46528a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 46538a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 46548a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 46558a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 46568a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 46578a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian ConditionalOperator *CondExpr = 46588a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian new (Context) ConditionalOperator(CONDExp, 46598a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 4660f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 46610943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall Exp->getType(), VK_RValue, OK_Ordinary); 46628a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian return CondExpr; 4663e24b22bb58e38253da0bda26da51da7663ca743bFariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 4664e24b22bb58e38253da0bda26da51da7663ca743bFariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 466554055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 466654055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(1 && "RewriteBlockClass: Bad type"); 466754055232a5ddb9529726e934301b125cb720a273Steve Naroff } 466854055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(CPT && "RewriteBlockClass: Bad type"); 4669183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 467054055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(FT && "RewriteBlockClass: Bad type"); 467172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 467254055232a5ddb9529726e934301b125cb720a273Steve Naroff // FTP will be null for closures that don't take arguments. 46731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 4675ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 4676aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff &Context->Idents.get("__block_impl")); 4677aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 467854055232a5ddb9529726e934301b125cb720a273Steve Naroff 4679aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Generate a funky cast. 4680aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff llvm::SmallVector<QualType, 8> ArgTypes; 46811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4682aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Push the block argument type. 4683aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ArgTypes.push_back(PtrBlock); 468454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FTP) { 46851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 4686aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff E = FTP->arg_type_end(); I && (I != E); ++I) { 4687aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff QualType t = *I; 4688aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Make sure we convert "t (^)(...)" to "t (*)(...)". 46898188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 46908188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian convertToUnqualifiedObjCType(t); 4691aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ArgTypes.push_back(t); 4692aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 4693aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 4694aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Now do the pointer to function cast. 4695e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType PtrToFuncCastType 4696e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 46971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4698aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 46991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47009d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 4701a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 47029d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall const_cast<Expr*>(BlockExp)); 4703aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Don't forget the parens to enforce the proper binding. 47048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 47058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek BlkCast); 4706aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff //PE->dump(); 47071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 4709ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 4710ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara &Context->Idents.get("FuncPtr"), 4711ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara Context->VoidPtrTy, 0, 47124afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*BitWidth=*/0, /*Mutable=*/true); 47138189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 4714f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FD->getType(), VK_LValue, 4715f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary); 47161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47178188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian 47189d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 4719a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, ME); 47208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 47211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4722aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff llvm::SmallVector<Expr*, 8> BlkExprs; 4723aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Add the implicit argument. 4724aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff BlkExprs.push_back(BlkCast); 4725aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Add the user arguments. 47261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (CallExpr::arg_iterator I = Exp->arg_begin(), 472754055232a5ddb9529726e934301b125cb720a273Steve Naroff E = Exp->arg_end(); I != E; ++I) { 4728aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff BlkExprs.push_back(*I); 472954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4730668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 4731668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek BlkExprs.size(), 4732f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp->getType(), VK_RValue, 4733f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 4734aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff return CE; 473554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 473654055232a5ddb9529726e934301b125cb720a273Steve Naroff 4737621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// We need to return the rewritten expression to handle cases where the 4738621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// BlockDeclRefExpr is embedded in another expression being rewritten. 4739621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// For example: 4740621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// 4741621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// int main() { 4742621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// __block Foo *f; 4743621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// __block int i; 47441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// 4745621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// void (^myblock)() = ^() { 4746621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// [f test]; // f is a BlockDeclRefExpr embedded in a message (which is being rewritten). 4747621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// i = 77; 4748621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// }; 4749621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff//} 4750f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz JahanianStmt *RewriteObjC::RewriteBlockDeclRefExpr(Expr *DeclRefExp) { 4751bbf37e232b10793b9ec91f4ea01ec168123d5026Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 4752f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 4753f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ValueDecl *VD; 4754f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian bool isArrow = true; 4755f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(DeclRefExp)) 4756f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian VD = BDRE->getDecl(); 4757f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian else { 4758f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian VD = cast<DeclRefExpr>(DeclRefExp)->getDecl(); 4759f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian isArrow = false; 4760f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 4761f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 4762ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 4763ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 4764ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian &Context->Idents.get("__forwarding"), 4765ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian Context->VoidPtrTy, 0, 4766ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true); 4767f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 4768f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian FD, SourceLocation(), 4769f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FD->getType(), VK_LValue, 4770f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary); 4771f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 47724087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef Name = VD->getName(); 4773ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FD = FieldDecl::Create(*Context, 0, SourceLocation(), SourceLocation(), 4774ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian &Context->Idents.get(Name), 4775ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian Context->VoidPtrTy, 0, 4776ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true); 4777ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 4778f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExp->getType(), VK_LValue, OK_Ordinary); 4779ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4780ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4781ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4782df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff // Need parens to enforce precedence. 4783380ee502b1d91615a753dc490e1e8f83306500b6Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(DeclRefExp->getExprLoc(), 4784380ee502b1d91615a753dc490e1e8f83306500b6Fariborz Jahanian DeclRefExp->getExprLoc(), 4785ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ME); 4786f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ReplaceStmt(DeclRefExp, PE); 4787621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return PE; 478854055232a5ddb9529726e934301b125cb720a273Steve Naroff} 478954055232a5ddb9529726e934301b125cb720a273Steve Naroff 47906cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// Rewrites the imported local variable V with external storage 47916cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// (static, extern, etc.) as *V 47926cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// 47936cb6eb4c792b504ad652d9230640656852e18ee9Fariborz JahanianStmt *RewriteObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 47946cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 47956cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 47966cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 47976cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return DRE; 4798f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 4799f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, OK_Ordinary, 4800f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DRE->getLocation()); 48016cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian // Need parens to enforce precedence. 48026cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 48036cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian Exp); 48046cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ReplaceStmt(DRE, PE); 48056cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return PE; 48066cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian} 48076cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 4808b2f9e516327310d95840d442416084508f80c183Steve Naroffvoid RewriteObjC::RewriteCastExpr(CStyleCastExpr *CE) { 4809b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LocStart = CE->getLParenLoc(); 4810b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LocEnd = CE->getRParenLoc(); 4811fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 4812fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Need to avoid trying to rewrite synthesized casts. 4813fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (LocStart.isInvalid()) 4814fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 48158f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff // Need to avoid trying to rewrite casts contained in macros. 48168f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 48178f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff return; 48181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481954055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(LocStart); 482054055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *endBuf = SM->getCharacterData(LocEnd); 48211d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian QualType QT = CE->getType(); 48221d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 48231d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 48241d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 48251d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 48261d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian std::string TypeAsString = "("; 4827afad76f6134e635c3cb240ec725d3b7989e7a625Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 48281d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian TypeAsString += ")"; 4829d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 48301d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian return; 48311d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian } 483254055232a5ddb9529726e934301b125cb720a273Steve Naroff // advance the location to startArgList. 483354055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = startBuf; 48341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 483554055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr++ && (argPtr < endBuf)) { 483654055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4837b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '^': 4838b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump // Replace the '^' with '*'. 4839b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump LocStart = LocStart.getFileLocWithOffset(argPtr-startBuf); 4840d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 1, "*"); 4841b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 484254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 484354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 484454055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 484554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 484654055232a5ddb9529726e934301b125cb720a273Steve Naroff 484754055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 484854055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation DeclLoc = FD->getLocation(); 484954055232a5ddb9529726e934301b125cb720a273Steve Naroff unsigned parenCount = 0; 48501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485154055232a5ddb9529726e934301b125cb720a273Steve Naroff // We have 1 or more arguments that have closure pointers. 485254055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(DeclLoc); 485354055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startArgList = strchr(startBuf, '('); 48541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485554055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 48561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485754055232a5ddb9529726e934301b125cb720a273Steve Naroff parenCount++; 485854055232a5ddb9529726e934301b125cb720a273Steve Naroff // advance the location to startArgList. 485954055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = DeclLoc.getFileLocWithOffset(startArgList-startBuf); 486054055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 48611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 486254055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = startArgList; 48631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 486454055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr++ && parenCount) { 486554055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4866b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '^': 4867b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump // Replace the '^' with '*'. 4868b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump DeclLoc = DeclLoc.getFileLocWithOffset(argPtr-startArgList); 4869d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, 1, "*"); 4870b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4871b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '(': 4872b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump parenCount++; 4873b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4874b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case ')': 4875b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump parenCount--; 4876b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 487754055232a5ddb9529726e934301b125cb720a273Steve Naroff } 487854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 487954055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 488054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 488154055232a5ddb9529726e934301b125cb720a273Steve Naroff 488254055232a5ddb9529726e934301b125cb720a273Steve Naroffbool RewriteObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 488372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FTP; 48846217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const PointerType *PT = QT->getAs<PointerType>(); 488554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PT) { 4886183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 488754055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 48886217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 488954055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 4890183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 489154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 489254055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FTP) { 48931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 489454055232a5ddb9529726e934301b125cb720a273Steve Naroff E = FTP->arg_type_end(); I != E; ++I) 489501f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(*I)) 489654055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 489754055232a5ddb9529726e934301b125cb720a273Steve Naroff } 489854055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 489954055232a5ddb9529726e934301b125cb720a273Steve Naroff} 490054055232a5ddb9529726e934301b125cb720a273Steve Naroff 4901e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanianbool RewriteObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 4902e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian const FunctionProtoType *FTP; 4903e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 4904e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (PT) { 4905e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 4906e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } else { 4907e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 4908e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 4909e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 4910e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 4911e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (FTP) { 4912e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 491306de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 491406de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 491506de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian return true; 491606de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 491706de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 4918e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian return true; 491906de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian } 492006de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian 4921e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 4922e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian return false; 4923e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian} 4924e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian 49258189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekvoid RewriteObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 49268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const char *&RParen) { 492754055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = strchr(Name, '('); 492854055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 49291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493054055232a5ddb9529726e934301b125cb720a273Steve Naroff LParen = argPtr; // output the start. 493154055232a5ddb9529726e934301b125cb720a273Steve Naroff argPtr++; // skip past the left paren. 493254055232a5ddb9529726e934301b125cb720a273Steve Naroff unsigned parenCount = 1; 49331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 493454055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr && parenCount) { 493554055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4936b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '(': parenCount++; break; 4937b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case ')': parenCount--; break; 4938b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: break; 493954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 494054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (parenCount) argPtr++; 494154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 494254055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 494354055232a5ddb9529726e934301b125cb720a273Steve Naroff RParen = argPtr; // output the end 494454055232a5ddb9529726e934301b125cb720a273Steve Naroff} 494554055232a5ddb9529726e934301b125cb720a273Steve Naroff 494654055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 494754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 494854055232a5ddb9529726e934301b125cb720a273Steve Naroff RewriteBlockPointerFunctionArgs(FD); 494954055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 49501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 495154055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle Variables and Typedefs. 495254055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation DeclLoc = ND->getLocation(); 495354055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType DeclT; 495454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 495554055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = VD->getType(); 4956162e1c1b487352434552147967c3dd296ebee2f7Richard Smith else if (TypedefNameDecl *TDD = dyn_cast<TypedefNameDecl>(ND)) 495754055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = TDD->getUnderlyingType(); 495854055232a5ddb9529726e934301b125cb720a273Steve Naroff else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 495954055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = FD->getType(); 49601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 496154055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(0 && "RewriteBlockPointerDecl(): Decl type not yet handled"); 49621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496354055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(DeclLoc); 496454055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *endBuf = startBuf; 496554055232a5ddb9529726e934301b125cb720a273Steve Naroff // scan backward (from the decl location) for the end of the previous decl. 496654055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 496754055232a5ddb9529726e934301b125cb720a273Steve Naroff startBuf--; 4968e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian SourceLocation Start = DeclLoc.getFileLocWithOffset(startBuf-endBuf); 4969e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian std::string buf; 4970e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian unsigned OrigLength=0; 497154055232a5ddb9529726e934301b125cb720a273Steve Naroff // *startBuf != '^' if we are dealing with a pointer to function that 497254055232a5ddb9529726e934301b125cb720a273Steve Naroff // may take block argument types (which will be handled below). 497354055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*startBuf == '^') { 497454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Replace the '^' with '*', computing a negative offset. 4975e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf = '*'; 4976e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian startBuf++; 4977e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 497854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4979e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian while (*startBuf != ')') { 4980e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *startBuf; 4981e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian startBuf++; 4982e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 4983e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 4984e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += ')'; 4985e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 4986e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian 4987e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 4988e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 498954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Replace the '^' with '*' for arguments. 4990e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian // Replace id<P> with id/*<>*/ 499154055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = ND->getLocation(); 499254055232a5ddb9529726e934301b125cb720a273Steve Naroff startBuf = SM->getCharacterData(DeclLoc); 499354055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argListBegin, *argListEnd; 499454055232a5ddb9529726e934301b125cb720a273Steve Naroff GetExtentOfArgList(startBuf, argListBegin, argListEnd); 499554055232a5ddb9529726e934301b125cb720a273Steve Naroff while (argListBegin < argListEnd) { 4996e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (*argListBegin == '^') 4997e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += '*'; 4998e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian else if (*argListBegin == '<') { 4999e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += "/*"; 5000e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin++; 5001e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++;; 5002e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian while (*argListBegin != '>') { 5003e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin++; 5004e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 5005e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 5006e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin; 5007e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += "*/"; 500854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 5009e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian else 5010e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin; 501154055232a5ddb9529726e934301b125cb720a273Steve Naroff argListBegin++; 5012e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 501354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 5014e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += ')'; 5015e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 501654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 5017e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 5018e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian 501954055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 502054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 502154055232a5ddb9529726e934301b125cb720a273Steve Naroff 5022d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5023d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 5024d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 5025d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// struct Block_byref_id_object *src) { 5026d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 5027d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 5028d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 5029d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 5030d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 5031d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 5032d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// } 5033d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// And: 5034d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 5035d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_dispose(_src->object, 5036d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 5037d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 5038d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_dispose(_src->object, 5039d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 5040d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 5041d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// } 5042d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5043ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanianstd::string RewriteObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 5044ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian int flag) { 5045d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian std::string S; 50461211a71912f263f6991eebfc27a8421a8800b9ecBenjamin Kramer if (CopyDestroyCache.count(flag)) 5047d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian return S; 5048ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian CopyDestroyCache.insert(flag); 5049ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 5050ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += utostr(flag); 5051ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "(void *dst, void *src) {\n"; 5052ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian 5053d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // offset into the object pointer is computed as: 5054d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // void * + void* + int + int + void* + void * 5055d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned IntSize = 5056d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 5057d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned VoidPtrSize = 5058d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 5059d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5060d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/8; 5061d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 5062d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 5063d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 5064d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 5065d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += "), "; 5066d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(flag); 5067d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ");\n}\n"; 5068d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5069ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 5070ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += utostr(flag); 5071ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "(void *src) {\n"; 5072d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 5073d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 5074d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += "), "; 5075d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(flag); 5076d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ");\n}\n"; 5077d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian return S; 5078d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian} 5079d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 508052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 508152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// the declaration into: 508252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND { 508352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 508452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND *__forwarding; 508552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// int32_t __flags; 508652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// int32_t __size; 5087d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 5088d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 508952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// typex ND; 509052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// }; 509152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 509252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// It then replaces declaration of ND variable with: 509352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 509452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 509552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// ND=initializer-if-any}; 509652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 509752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 509852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanianvoid RewriteObjC::RewriteByRefVar(VarDecl *ND) { 5099abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // Insert declaration for the function in which block literal is 5100abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // used. 5101abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 5102abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 51032086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian int flag = 0; 51042086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian int isa = 0; 510552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 5106d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian if (DeclLoc.isInvalid()) 5107d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 5108d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian // Use variable's location which is good for this case. 5109d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian DeclLoc = ND->getLocation(); 511052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 51116f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian SourceLocation X = ND->getLocEnd(); 51126f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian X = SM->getInstantiationLoc(X); 51136f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian const char *endBuf = SM->getCharacterData(X); 511452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian std::string Name(ND->getNameAsString()); 5115a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string ByrefType; 51161e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 511752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " {\n"; 511852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " void *__isa;\n"; 5119a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5120a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += " *__forwarding;\n"; 512152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " int __flags;\n"; 512252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " int __size;\n"; 5123d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 5124d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 5125f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian QualType Ty = ND->getType(); 5126f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 5127f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (HasCopyAndDispose) { 5128d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 5129d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 5130f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 5131822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian 5132822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian QualType T = Ty; 5133822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian (void)convertBlockPointerToFunctionPointer(T); 5134822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian T.getAsStringInternal(Name, Context->PrintingPolicy); 5135822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian 513652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " " + Name + ";\n"; 513752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += "};\n"; 513852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // Insert this type in global scope. It is needed by helper function. 5139dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian SourceLocation FunLocStart; 5140dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian if (CurFunctionDef) 5141dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 5142dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian else { 5143dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 5144dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 5145dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian } 5146d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, ByrefType); 51472086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian if (Ty.isObjCGCWeak()) { 51482086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 51492086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian isa = 1; 51502086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian } 51512086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian 5152d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5153ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 5154ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian QualType Ty = ND->getType(); 5155ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 5156ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian if (Ty->isBlockPointerType()) 5157ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 5158ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian else 5159ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 5160ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 5161d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (!HF.empty()) 5162d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, HF); 5163d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 516452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian 516552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // struct __Block_byref_ND ND = 516652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 516752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // initializer-if-any}; 516852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian bool hasInit = (ND->getInit() != 0); 5169e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian unsigned flags = 0; 5170e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian if (HasCopyAndDispose) 5171e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 517252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Name = ND->getNameAsString(); 5173a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType.clear(); 5174a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 51752663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string ForwardingCastType("("); 51762663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ForwardingCastType += ByrefType + " *)"; 517752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian if (!hasInit) { 51782086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 51792086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += utostr(isa); 51802663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 5181ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flags); 5182f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ByrefType += ", "; 5183a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "sizeof("; 5184a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5185a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += ")"; 5186d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5187ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 5188ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5189ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 5190ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5191d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 519252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += "};\n"; 5193822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian unsigned nameSize = Name.size(); 5194822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian // for block or function pointer declaration. Name is aleady 5195822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian // part of the declaration. 5196822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian if (Ty->isBlockPointerType() || Ty->isFunctionPointerType()) 5197822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian nameSize = 1; 5198822ac874ae99f326b59eb340bd47e96f69c0cf3bFariborz Jahanian ReplaceText(DeclLoc, endBuf-startBuf+nameSize, ByrefType); 519952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian } 520052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian else { 5201dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian SourceLocation startLoc; 5202dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian Expr *E = ND->getInit(); 5203dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 5204dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian startLoc = ECE->getLParenLoc(); 5205dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian else 5206dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian startLoc = E->getLocStart(); 5207791b10d03570ca8c5d3e344cc09900d1a8313999Fariborz Jahanian startLoc = SM->getInstantiationLoc(startLoc); 5208dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 520952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " " + Name; 5210dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian ByrefType += " = {(void*)"; 52112086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += utostr(isa); 52122663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 5213ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flags); 5214f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ByrefType += ", "; 5215a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "sizeof("; 5216a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5217a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "), "; 5218d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5219ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 5220ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5221ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 5222ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5223ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", "; 5224d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 5225d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 5226c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff 5227c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // Complete the newly synthesized compound expression by inserting a right 5228c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // curly brace before the end of the declaration. 5229c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // FIXME: This approach avoids rewriting the initializer expression. It 5230c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // also assumes there is only one declarator. For example, the following 5231c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // isn't currently supported by this routine (in general): 5232c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // 5233c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 5234c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // 52355f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 52365f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 5237c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 5238c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff SourceLocation semiLoc = 52395f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian startLoc.getFileLocWithOffset(semiBuf-startInitializerBuf); 5240c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff 5241d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(semiLoc, "}"); 524252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian } 52431be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian return; 52441be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian} 52451be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian 52461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 524754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Add initializers for any closure decl refs. 524854055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(Exp->getBody()); 524954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs.size()) { 525054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Unique all "by copy" declarations. 525154055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 5252bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockDeclRefs[i]->isByRef()) { 5253bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 5254bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 5255bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 5256bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 5257bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 525854055232a5ddb9529726e934301b125cb720a273Steve Naroff // Unique all "by ref" declarations. 525954055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 526054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs[i]->isByRef()) { 5261bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 5262bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 5263bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 5264bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 526554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 526654055232a5ddb9529726e934301b125cb720a273Steve Naroff // Find any imported blocks...they will need special attention. 526754055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 52684fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian if (BlockDeclRefs[i]->isByRef() || 52694fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 52705b011b050e764fe1c2a38bd81b386fc6e66eeb93Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 527154055232a5ddb9529726e934301b125cb720a273Steve Naroff ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 527254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 527354055232a5ddb9529726e934301b125cb720a273Steve Naroff} 527454055232a5ddb9529726e934301b125cb720a273Steve Naroff 52754087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarFunctionDecl *RewriteObjC::SynthBlockInitFunctionDecl(llvm::StringRef name) { 5276fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff IdentifierInfo *ID = &Context->Idents.get(name); 527772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 5278ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara return FunctionDecl::Create(*Context, TUDecl, SourceLocation(), 5279ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), ID, FType, 0, SC_Extern, 5280d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false, false); 5281fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5282fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 52835e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz JahanianStmt *RewriteObjC::SynthBlockInitExpr(BlockExpr *Exp, 52845e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian const llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs) { 528505318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian const BlockDecl *block = Exp->getBlockDecl(); 5286fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Blocks.push_back(Exp); 5287fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5288fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CollectBlockDeclRefInfo(Exp); 52895e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 52905e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Add inner imported variables now used in current block. 52915e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian int countOfInnerDecls = 0; 52921276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 52931276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 52941276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefExpr *Exp = InnerBlockDeclRefs[i]; 52951276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian ValueDecl *VD = Exp->getDecl(); 52961276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 52975e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // We need to save the copied-in variables in nested 52985e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // blocks because it is needed at the end for some of the API generations. 52995e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // See SynthesizeBlockLiterals routine. 53001276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 53011276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefs.push_back(Exp); 53021276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 53031276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByCopyDecls.push_back(VD); 53041276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian } 53051276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 53061276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 53071276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefs.push_back(Exp); 53081276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 53091276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByRefDecls.push_back(VD); 53101276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian } 5311f89c4270c94ddd966819fe6b8306aa572d1e5d83Fariborz Jahanian } 53121276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian // Find any imported blocks...they will need special attention. 53131276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 53141276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (InnerBlockDeclRefs[i]->isByRef() || 53151276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 53161276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 53171276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 53185e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian } 53195e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 53205e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 5321fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string FuncName; 53221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5323fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CurFunctionDef) 5324077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner FuncName = CurFunctionDef->getNameAsString(); 5325e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian else if (CurMethodDef) 5326e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 5327e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian else if (GlobalVarDecl) 5328d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner FuncName = std::string(GlobalVarDecl->getNameAsString()); 53291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5330fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string BlockNumber = utostr(Blocks.size()-1); 53311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5332fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber; 5333fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 53341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5335fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get a pointer to the function type so we can cast appropriately. 53361f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 53371f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 5338fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5339fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff FunctionDecl *FD; 5340fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Expr *NewRep; 53411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5342fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Simulate a contructor call... 53434087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl(Tag); 5344f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, FType, VK_RValue, 5345f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 53461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5347fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff llvm::SmallVector<Expr*, 4> InitExprs; 53481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5349fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff // Initialize the block function. 53504087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl(Func); 5351f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 53528189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation()); 53539d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 5354a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Arg); 53551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(castExpr); 53561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 535701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff // Initialize the block descriptor. 535801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 535901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 5360ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, 5361ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), SourceLocation(), 5362ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara &Context->Idents.get(DescData.c_str()), 5363ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara Context->VoidPtrTy, 0, 5364ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SC_Static, SC_None); 5365f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall UnaryOperator *DescRefExpr = 5366f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, 5367f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->VoidPtrTy, 5368f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, 5369f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()), 5370f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall UO_AddrOf, 5371f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getPointerType(Context->VoidPtrTy), 5372f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 5373f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 537401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff InitExprs.push_back(DescRefExpr); 537501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 5376fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Add initializers for any closure decl refs. 5377fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockDeclRefs.size()) { 5378fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff Expr *Exp; 5379fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Output all "by copy" declarations. 5380bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 5381fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 5382fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (isObjCType((*I)->getType())) { 5383fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff // FIXME: Conform to ABI ([[obj retain] autorelease]). 53844087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5385f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5386f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 5387a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 5388a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian QualType QT = (*I)->getType(); 5389a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian QT = Context->getPointerType(QT); 5390f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 5391f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary, SourceLocation()); 5392a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian } 539301f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff } else if (isTopLevelBlockPointerType((*I)->getType())) { 53944087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5395f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5396f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 53979d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 5398a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Arg); 5399fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } else { 54004087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5401f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5402f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 54036cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 54046cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 54056cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 5406f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 5407f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary, SourceLocation()); 54086cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 54096cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 5410fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 54111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(Exp); 5412fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5413fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Output all "by ref" declarations. 5414bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 5415fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 54162663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ValueDecl *ND = (*I); 54172663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string Name(ND->getNameAsString()); 54182663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string RecName; 54191e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 54202663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 54212663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian + sizeof("struct")); 5422465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 5423ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation(), SourceLocation(), 5424ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara II); 54252663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 54262663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 54272663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian 54284087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5429f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5430f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 543105318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian bool isNestedCapturedVar = false; 543205318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian if (block) 543305318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian for (BlockDecl::capture_const_iterator ci = block->capture_begin(), 543405318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian ce = block->capture_end(); ci != ce; ++ci) { 543505318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian const VarDecl *variable = ci->getVariable(); 543605318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian if (variable == ND && ci->isNested()) { 543705318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian assert (ci->isByRef() && 543805318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian "SynthBlockInitExpr - captured block variable is not byref"); 543905318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian isNestedCapturedVar = true; 544005318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian break; 544105318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian } 544205318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian } 544305318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian // captured nested byref variable has its address passed. Do not take 544405318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian // its address again. 544505318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian if (!isNestedCapturedVar) 544605318d835e8beb16ac6bdd2c0db0ab6a922f35cfFariborz Jahanian Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 5447f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getPointerType(Exp->getType()), 5448f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 5449a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 54501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(Exp); 5451fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 545201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 5453ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian if (ImportedBlockDecls.size()) { 5454ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 5455ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 545601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned IntSize = 545701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 54589996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 54599996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Context->IntTy, SourceLocation()); 5460ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian InitExprs.push_back(FlagExp); 5461fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5462668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 5463f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FType, VK_LValue, SourceLocation()); 54642de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 54651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(NewRep->getType()), 5466f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 5467a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 54689d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall NewRep); 5469fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockDeclRefs.clear(); 5470fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockByRefDecls.clear(); 5471bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.clear(); 5472fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockByCopyDecls.clear(); 5473bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 5474fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff ImportedBlockDecls.clear(); 5475fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return NewRep; 5476fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5477fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 547842f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanianbool RewriteObjC::IsDeclStmtInForeachHeader(DeclStmt *DS) { 547942f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian if (const ObjCForCollectionStmt * CS = 548042f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian dyn_cast<ObjCForCollectionStmt>(Stmts.back())) 548142f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian return CS->getElement() == DS; 548242f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian return false; 548342f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian} 548442f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian 5485fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff//===----------------------------------------------------------------------===// 5486fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff// Function Body / Expression rewriting 5487fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff//===----------------------------------------------------------------------===// 5488fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5489c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// This is run as a first "pass" prior to RewriteFunctionBodyOrGlobalInitializer(). 5490c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// The allows the main rewrite loop to associate all ObjCPropertyRefExprs with 5491c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// their respective BinaryOperator. Without this knowledge, we'd need to rewrite 5492c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// the ObjCPropertyRefExpr twice (once as a getter, and later as a setter). 5493c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// Since the rewriter isn't capable of rewriting rewritten code, it's important 5494c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// we get this right. 5495c77a636688e188af7e7a9a05829e542adb48e880Steve Naroffvoid RewriteObjC::CollectPropertySetters(Stmt *S) { 5496c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Perform a bottom up traversal of all children. 54977502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 5498c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (*CI) 5499c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(*CI); 5500c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff 5501c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(S)) { 5502c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinOp->isAssignmentOp()) { 550312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (isa<ObjCPropertyRefExpr>(BinOp->getLHS())) 550412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall PropSetters[BinOp->getLHS()] = BinOp; 5505c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } 5506c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } 5507c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff} 5508c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff 5509fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 55101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 5511fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff isa<DoStmt>(S) || isa<ForStmt>(S)) 5512fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.push_back(S); 5513fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (isa<ObjCForCollectionStmt>(S)) { 5514fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.push_back(S); 55154824fcdf37139efa57466a2a5753dd6e5e792ef8Chris Lattner ObjCBcLabelNo.push_back(++BcLabelCount); 5516fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 55171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5518fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceRange OrigStmtRange = S->getSourceRange(); 55191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5520fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Perform a bottom up rewrite of all children. 55217502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 5522fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (*CI) { 55232b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt; 55241d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian Stmt *ChildStmt = (*CI); 55251d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(ChildStmt)) { 55262b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Expr *OldBase = IvarRefExpr->getBase(); 55272b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool replaced = false; 55281d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian newStmt = RewriteObjCNestedIvarRefExpr(ChildStmt, replaced); 55292b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (replaced) { 55302b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(newStmt)) 55312b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian ReplaceStmt(OldBase, IRE->getBase()); 55322b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian else 55331d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian ReplaceStmt(ChildStmt, newStmt); 55342b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 55352b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 55362b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian else 55371d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian newStmt = RewriteFunctionBodyOrGlobalInitializer(ChildStmt); 55381d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian if (newStmt) { 55391d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian if (Expr *PropOrImplicitRefExpr = dyn_cast<Expr>(ChildStmt)) 55401d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian if (PropSetters[PropOrImplicitRefExpr] == S) { 55411d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian S = newStmt; 55421d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian newStmt = 0; 55431d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian } 55441d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian if (newStmt) 55451d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian *CI = newStmt; 55461d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian } 554790fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // If dealing with an assignment with LHS being a property reference 554890fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // expression, the entire assignment tree is rewritten into a property 554990fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // setter messaging. This involvs the RHS too. Do not attempt to rewrite 555090fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // RHS again. 55511d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian if (Expr *Exp = dyn_cast<Expr>(ChildStmt)) 555212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (isa<ObjCPropertyRefExpr>(Exp)) { 55538537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian if (PropSetters[Exp]) { 55548537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian ++CI; 55558537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian continue; 55568537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian } 555790fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian } 55587e7492442f32e3abbe246f6bb35568b044c1188bNick Lewycky } 55591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5560fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 55615e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> InnerBlockDeclRefs; 556272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 556372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 55646cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.clear(); 55655e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 556672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerBlockDeclRefs, InnerContexts); 5567fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Rewrite the block body in place. 5568da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 5569da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian CurrentBody = BE->getBody(); 557036178092294301d26b8c77f755dae9489a9a722cFariborz Jahanian CollectPropertySetters(CurrentBody); 5571da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian PropParentMap = 0; 5572fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 5573da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian CurrentBody = SaveCurrentBody; 5574da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian PropParentMap = 0; 55756cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.clear(); 5576fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Now we snarf the rewritten text and stash it away for later use. 55771d015313b27f6002b1c4a74e478ede1622141b4eFariborz Jahanian std::string Str = Rewrite.ConvertToString(BE->getBody()); 55788e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewrittenBlockExprs[BE] = Str; 55791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55805e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 55815e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 5582fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff //blockTranscribed->dump(); 55838e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff ReplaceStmt(S, blockTranscribed); 5584fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return blockTranscribed; 5585fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5586fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Handle specific things. 5587fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 5588fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteAtEncode(AtEncode); 55891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 559012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (isa<ObjCPropertyRefExpr>(S)) { 5591f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Expr *PropOrImplicitRefExpr = dyn_cast<Expr>(S); 5592f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian assert(PropOrImplicitRefExpr && "Property or implicit setter/getter is null"); 5593f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 5594f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian BinaryOperator *BinOp = PropSetters[PropOrImplicitRefExpr]; 5595c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinOp) { 5596c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Because the rewriter doesn't allow us to rewrite rewritten code, 5597c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // we need to rewrite the right hand side prior to rewriting the setter. 5598b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = true; 5599b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // Save the source range. Even if we disable the replacement, the 5600b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // rewritten node will have been inserted into the tree. If the synthesized 5601b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // node is at the 'end', the rewriter will fail. Consider this: 56021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // self.errorHandler = handler ? handler : 5603b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // ^(NSURL *errorURL, NSError *error) { return (BOOL)1; }; 5604b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange = BinOp->getSourceRange(); 5605c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(BinOp->getRHS()); 5606f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian // Need to rewrite the ivar access expression if need be. 5607f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian if (isa<ObjCIvarRefExpr>(newStmt)) { 5608f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian bool replaced = false; 5609f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian newStmt = RewriteObjCNestedIvarRefExpr(newStmt, replaced); 5610f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian } 5611f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian 5612b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = false; 56134c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56144c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Unlike the main iterator, we explicily avoid changing 'BinOp'. If 56154c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // we changed the RHS of BinOp, the rewriter would fail (since it needs 56164c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // to see the original expression). Consider this example: 56174c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56184c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Foo *obj1, *obj2; 56194c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56204c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // obj1.i = [obj2 rrrr]; 56214c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56224c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 'BinOp' for the previous expression looks like: 56234c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56244c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (BinaryOperator 0x231ccf0 'int' '=' 56254c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ObjCPropertyRefExpr 0x231cc70 'int' Kind=PropertyRef Property="i" 56264c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231cc50 'Foo *' Var='obj1' 0x231cbb0)) 56274c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ObjCMessageExpr 0x231ccb0 'int' selector=rrrr 56284c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231cc90 'Foo *' Var='obj2' 0x231cbe0))) 56294c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56304c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 'newStmt' represents the rewritten message expression. For example: 56314c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56324c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CallExpr 0x231d300 'id':'struct objc_object *' 56334c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ParenExpr 0x231d2e0 'int (*)(id, SEL)' 56344c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CStyleCastExpr 0x231d2c0 'int (*)(id, SEL)' 56354c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CStyleCastExpr 0x231d220 'void *' 56364c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231d200 'id (id, SEL, ...)' FunctionDecl='objc_msgSend' 0x231cdc0)))) 56374c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 5638f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // Note that 'newStmt' is passed to RewritePropertyOrImplicitSetter so that it 56394c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // can be used as the setter argument. ReplaceStmt() will still 'see' 56404c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // the original RHS (since we haven't altered BinOp). 56414c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 56421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // This implies the Rewrite* routines can no longer delete the original 56434c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // node. As a result, we now leak the original AST nodes. 56444c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 5645f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian return RewritePropertyOrImplicitSetter(BinOp, dyn_cast<Expr>(newStmt), SrcRange); 5646c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } else { 5647f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian return RewritePropertyOrImplicitGetter(PropOrImplicitRefExpr); 564815f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff } 564915f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff } 5650f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 5651fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 5652fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteAtSelector(AtSelector); 56531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5654fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 5655fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCStringLiteral(AtString); 56561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5657fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 5658c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff#if 0 5659fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Before we rewrite it, put the original message expression in a comment. 5660fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = MessExpr->getLocStart(); 5661fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation endLoc = MessExpr->getLocEnd(); 56621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5663fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 5664fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const char *endBuf = SM->getCharacterData(endLoc); 56651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5666fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string messString; 5667fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString += "// "; 5668fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString.append(startBuf, endBuf-startBuf+1); 5669fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString += "\n"; 56701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: Missing definition of 5672fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // InsertText(clang::SourceLocation, char const*, unsigned int). 5673fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // InsertText(startLoc, messString.c_str(), messString.size()); 5674fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Tried this, but it didn't work either... 5675fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 5676c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff#endif 5677fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteMessageExpr(MessExpr); 5678fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 56791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5680fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 5681fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCTryStmt(StmtTry); 5682fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5683fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 5684fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCSynchronizedStmt(StmtTry); 5685fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5686fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 5687fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCThrowStmt(StmtThrow); 56881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5689fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 5690fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCProtocolExpr(ProtocolExp); 56911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ObjCForCollectionStmt *StmtForCollection = 5693fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<ObjCForCollectionStmt>(S)) 56941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return RewriteObjCForCollectionStmt(StmtForCollection, 5695fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff OrigStmtRange.getEnd()); 5696fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BreakStmt *StmtBreakStmt = 5697fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<BreakStmt>(S)) 5698fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteBreakStmt(StmtBreakStmt); 5699fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ContinueStmt *StmtContinueStmt = 5700fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<ContinueStmt>(S)) 5701fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteContinueStmt(StmtContinueStmt); 57021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 5704fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // and cast exprs. 5705fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 5706fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // FIXME: What we're doing here is modifying the type-specifier that 5707fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // precedes the first Decl. In the future the DeclGroup should have 57081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a separate type-specifier that we can rewrite. 57093d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // NOTE: We need to avoid rewriting the DeclStmt if it is within 57103d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // the context of an ObjCForCollectionStmt. For example: 57113d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // NSArray *someArray; 57123d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // for (id <FooProtocol> index in someArray) ; 57133d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // This is because RewriteObjCForCollectionStmt() does textual rewriting 57143d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // and it depends on the original text locations/positions. 571542f1e658765b0b3e069f52726da23517a466c582Fariborz Jahanian if (Stmts.empty() || !IsDeclStmtInForeachHeader(DS)) 57163d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 57171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5718fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Blocks rewrite rules. 5719fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 5720fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff DI != DE; ++DI) { 57214afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Decl *SD = *DI; 5722fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 572301f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(ND->getType())) 5724fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(ND); 57251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (ND->getType()->isFunctionPointerType()) 5726fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(ND->getType(), ND); 57274c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 5728a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 5729a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 5730a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 5731a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 5732a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 573352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian RewriteByRefVar(VD); 5734a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian } 57354c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else 57364c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian RewriteTypeOfDecl(VD); 57374c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 5738fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5739162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(SD)) { 574001f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 5741fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(TD); 57421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (TD->getUnderlyingType()->isFunctionPointerType()) 5743fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 5744fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5745fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5746fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 57471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5748fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 5749fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteObjCQualifiedInterfaceTypes(CE); 57501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 5752fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff isa<DoStmt>(S) || isa<ForStmt>(S)) { 5753fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff assert(!Stmts.empty() && "Statement stack is empty"); 57541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 57551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 5756fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff && "Statement stack mismatch"); 5757fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.pop_back(); 5758fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5759fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Handle blocks rewriting. 5760fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(S)) { 5761fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BDRE->isByRef()) 5762621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return RewriteBlockDeclRefExpr(BDRE); 5763fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5764f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 5765f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ValueDecl *VD = DRE->getDecl(); 5766f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 5767f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 57686cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 57696cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 5770f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 5771f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 5772fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 5773aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff if (CE->getCallee()->getType()->isBlockPointerType()) { 57748a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 5775aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ReplaceStmt(S, BlockCall); 5776aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff return BlockCall; 5777aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 5778fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5779b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 5780fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteCastExpr(CE); 5781fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5782fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff#if 0 5783fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 5784906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 5785906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl ICE->getSubExpr(), 5786906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl SourceLocation()); 5787fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get the new text. 5788fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string SStr; 5789fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff llvm::raw_string_ostream Buf(SStr); 57903a9eb44f2906e44ca29ae2d9df56fb9824ef7d05Eli Friedman Replacement->printPretty(Buf, *Context); 5791fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const std::string &Str = Buf.str(); 5792fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5793fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff printf("CAST = %s\n", &Str[0]); 5794fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 5795fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff delete S; 5796fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return Replacement; 5797fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5798fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff#endif 5799fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Return this stmt unmodified. 5800fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 5801fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5802fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 58033d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroffvoid RewriteObjC::RewriteRecordBody(RecordDecl *RD) { 58043d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff for (RecordDecl::field_iterator i = RD->field_begin(), 58053d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff e = RD->field_end(); i != e; ++i) { 58063d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff FieldDecl *FD = *i; 58073d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (isTopLevelBlockPointerType(FD->getType())) 58083d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteBlockPointerDecl(FD); 58093d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (FD->getType()->isObjCQualifiedIdType() || 58103d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff FD->getType()->isObjCQualifiedInterfaceType()) 58113d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteObjCQualifiedInterfaceTypes(FD); 58123d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } 58133d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff} 58143d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff 5815fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// HandleDeclInMainFile - This is called for each top-level decl defined in the 5816fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// main file of the input. 5817fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroffvoid RewriteObjC::HandleDeclInMainFile(Decl *D) { 5818fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 5819cb73530987a22a6877039b9404b29aba3bf226e0Steve Naroff if (FD->isOverloadedOperator()) 5820cb73530987a22a6877039b9404b29aba3bf226e0Steve Naroff return; 58211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5822fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Since function prototypes don't have ParmDecl's, we check the function 5823fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // prototype. This enables us to rewrite function declarations and 5824fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // definitions using the same code. 582572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor RewriteBlocksInFunctionProtoType(FD->getType(), FD); 5826fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5827d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl // FIXME: If this should support Obj-C++, support CXXTryStmt 58285f1bfc10a12d9759444eb433f52a85d2e0058967Argyrios Kyrtzidis if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 5829fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurFunctionDef = FD; 5830abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 5831c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(Body); 58328599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = Body; 5833eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek Body = 5834eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 5835eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek FD->setBody(Body); 58368599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 58378599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 58388599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 58398599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 58408599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 5841fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // This synthesizes and inserts the block "impl" struct, invoke function, 5842fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // and any copy/dispose helper functions. 5843fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertBlockLiteralsWithinFunction(FD); 5844fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurFunctionDef = 0; 5845abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 58461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5847fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5848fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5849fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) { 58506fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis if (CompoundStmt *Body = MD->getCompoundBody()) { 5851fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurMethodDef = MD; 5852c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(Body); 58538599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = Body; 5854eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek Body = 5855eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 5856eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek MD->setBody(Body); 58578599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 58588599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 58598599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 58608599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 58618599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 5862fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertBlockLiteralsWithinMethod(MD); 5863fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurMethodDef = 0; 5864fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5865fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5866fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCImplementationDecl *CI = dyn_cast<ObjCImplementationDecl>(D)) 5867fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff ClassImplementation.push_back(CI); 5868fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (ObjCCategoryImplDecl *CI = dyn_cast<ObjCCategoryImplDecl>(D)) 5869fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CategoryImplementation.push_back(CI); 5870fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (ObjCClassDecl *CD = dyn_cast<ObjCClassDecl>(D)) 5871fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteForwardClassDecl(CD); 5872fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (VarDecl *VD = dyn_cast<VarDecl>(D)) { 5873fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteObjCQualifiedInterfaceTypes(VD); 587401f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(VD->getType())) 5875fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(VD); 58768e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff else if (VD->getType()->isFunctionPointerType()) { 5877fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(VD->getType(), VD); 5878fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (VD->getInit()) { 5879b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 5880fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteCastExpr(CE); 5881fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5882fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 58833d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } else if (VD->getType()->isRecordType()) { 58843d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 58853d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (RD->isDefinition()) 58863d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteRecordBody(RD); 5887fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 58888e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff if (VD->getInit()) { 58898e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff GlobalVarDecl = VD; 5890c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(VD->getInit()); 58918599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = VD->getInit(); 58928e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 58938599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 58948599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 58958599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 58968599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 58978599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 58981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), 58994087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar VD->getName()); 59008e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff GlobalVarDecl = 0; 59018e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff 59028e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff // This is needed for blocks. 5903b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 59048e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewriteCastExpr(CE); 59058e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff } 59068e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff } 5907fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5908fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5909162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (TypedefNameDecl *TD = dyn_cast<TypedefNameDecl>(D)) { 591001f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 5911fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(TD); 59121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (TD->getUnderlyingType()->isFunctionPointerType()) 5913fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 5914fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5915fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5916fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (RecordDecl *RD = dyn_cast<RecordDecl>(D)) { 59173d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (RD->isDefinition()) 59183d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteRecordBody(RD); 5919fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5920fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5921fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Nothing yet. 5922fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5923fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5924dacbc5d46aaeea817742b8c76c987b87d2490c85Chris Lattnervoid RewriteObjC::HandleTranslationUnit(ASTContext &C) { 5925fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Diags.hasErrorOccurred()) 5926fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 59271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5928fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteInclude(); 59291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5930621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Here's a great place to add any extra declarations that may be needed. 5931621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Write out meta data for each @protocol(<expr>). 59321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 5933621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff E = ProtocolExprDecls.end(); I != E; ++I) 5934621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolMetaData(*I, "", "", Preamble); 5935621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 5936d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 59370aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff if (ClassImplementation.size() || CategoryImplementation.size()) 59380aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff RewriteImplementations(); 5939621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 5940fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get the buffer corresponding to MainFileID. If we haven't changed it, then 5941fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // we are done. 59421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const RewriteBuffer *RewriteBuf = 5943fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Rewrite.getRewriteBufferFor(MainFileID)) { 5944fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff //printf("Changed:\n"); 5945fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 5946fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } else { 5947d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer llvm::errs() << "No changes\n"; 5948fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5949ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff 5950621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ClassImplementation.size() || CategoryImplementation.size() || 5951621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolExprDecls.size()) { 59520aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff // Rewrite Objective-c meta data* 59530aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff std::string ResultStr; 59540aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff SynthesizeMetaDataIntoBuffer(ResultStr); 59550aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff // Emit metadata. 59560aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff *OutFile << ResultStr; 59570aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff } 5958fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff OutFile->flush(); 5959fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5960