RewriteObjC.cpp revision 7502c1d3ce8bb97bcc4f7bebef507040bd93b26f
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); 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 3021d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Expr **args, unsigned nargs, 3031d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc=SourceLocation(), 3041d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc=SourceLocation()); 3051d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 3061d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc=SourceLocation(), 3071d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc=SourceLocation()); 308e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 309e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 31033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31209b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void SynthMsgSendFunctionDecl(); 313874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff void SynthMsgSendSuperFunctionDecl(); 31480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian void SynthMsgSendStretFunctionDecl(); 315acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 31680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 31709b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void SynthGetClassFunctionDecl(); 3189bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff void SynthGetMetaClassFunctionDecl(); 319d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 320a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian void SynthSelGetUidFunctionDecl(); 321c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff void SynthSuperContructorFunctionDecl(); 3221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 323f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Metadata emission. 324a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 325ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result); 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 327a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 328ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result); 3291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 330653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor template<typename MethodIterator> 331653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 332653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor MethodIterator MethodEnd, 3338e991ba2e256e56959a65a049e161aa30b3c0decFariborz Jahanian bool IsInstanceMethod, 3344087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3354087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 336158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner std::string &Result); 3371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 3394087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3404087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 341621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result); 342621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void RewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Prots, 3434087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3444087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 345621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result); 346a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl, 34726e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result); 3482d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian void SynthesizeIvarOffsetComputation(ObjCIvarDecl *ivar, 34926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result); 350ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff void RewriteImplementations(); 351ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff void SynthesizeMetaDataIntoBuffer(std::string &Result); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Block rewriting. 3541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void RewriteBlocksInFunctionProtoType(QualType funcType, NamedDecl *D); 35554055232a5ddb9529726e934301b125cb720a273Steve Naroff void CheckFunctionPointerDecl(QualType dType, NamedDecl *ND); 3561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35754055232a5ddb9529726e934301b125cb720a273Steve Naroff void InsertBlockLiteralsWithinFunction(FunctionDecl *FD); 35854055232a5ddb9529726e934301b125cb720a273Steve Naroff void InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD); 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Block specific rewrite rules. 36154055232a5ddb9529726e934301b125cb720a273Steve Naroff void RewriteBlockPointerDecl(NamedDecl *VD); 36252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian void RewriteByRefVar(VarDecl *VD); 363ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian std::string SynthesizeByrefCopyDestroyHelper(VarDecl *VD, int flag); 364f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian Stmt *RewriteBlockDeclRefExpr(Expr *VD); 3656cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian Stmt *RewriteLocalVariableExternalStorage(DeclRefExpr *DRE); 36654055232a5ddb9529726e934301b125cb720a273Steve Naroff void RewriteBlockPointerFunctionArgs(FunctionDecl *FD); 3671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 3694087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, std::string Tag); 3701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string SynthesizeBlockFunc(BlockExpr *CE, int i, 3714087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, std::string Tag); 37201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string SynthesizeBlockImpl(BlockExpr *CE, 37301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string Tag, std::string Desc); 37401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string SynthesizeBlockDescriptor(std::string DescTag, 37501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string ImplTag, 3764087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar int i, llvm::StringRef funcName, 37701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned hasCopy); 3788a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *SynthesizeBlockCall(CallExpr *Exp, const Expr* BlockExp); 37954055232a5ddb9529726e934301b125cb720a273Steve Naroff void SynthesizeBlockLiterals(SourceLocation FunLocStart, 3804087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName); 3813d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff void RewriteRecordBody(RecordDecl *RD); 3821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38354055232a5ddb9529726e934301b125cb720a273Steve Naroff void CollectBlockDeclRefInfo(BlockExpr *Exp); 38454055232a5ddb9529726e934301b125cb720a273Steve Naroff void GetBlockDeclRefExprs(Stmt *S); 3855e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian void GetInnerBlockDeclRefExprs(Stmt *S, 3865e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 38772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts); 3881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38954055232a5ddb9529726e934301b125cb720a273Steve Naroff // We avoid calling Type::isBlockPointerType(), since it operates on the 39054055232a5ddb9529726e934301b125cb720a273Steve Naroff // canonical type. We only care if the top-level type is a closure pointer. 3918189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek bool isTopLevelBlockPointerType(QualType T) { 3928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek return isa<BlockPointerType>(T); 3938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek } 3941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3954fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian /// convertBlockPointerToFunctionPointer - Converts a block-pointer type 3964fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian /// to a function pointer type and upon success, returns true; false 3974fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian /// otherwise. 3984fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian bool convertBlockPointerToFunctionPointer(QualType &T) { 3994fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (isTopLevelBlockPointerType(T)) { 4004fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian const BlockPointerType *BPT = T->getAs<BlockPointerType>(); 4014fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian T = Context->getPointerType(BPT->getPointeeType()); 4024fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian return true; 4034fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian } 4044fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian return false; 4054fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian } 4064fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian 4078188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian void convertToUnqualifiedObjCType(QualType &T) { 4088188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian if (T->isObjCQualifiedIdType()) 4098188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T = Context->getObjCIdType(); 4108188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian else if (T->isObjCQualifiedClassType()) 4118188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T = Context->getObjCClassType(); 4128188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian else if (T->isObjCObjectPointerType() && 4138188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T->getPointeeType()->isObjCQualifiedInterfaceType()) 4148188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian T = Context->getObjCIdType(); 4158188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian } 4168188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian 41754055232a5ddb9529726e934301b125cb720a273Steve Naroff // FIXME: This predicate seems like it would be useful to add to ASTContext. 41854055232a5ddb9529726e934301b125cb720a273Steve Naroff bool isObjCType(QualType T) { 41954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 42054055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 4211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42254055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 4231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 42454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 42554055232a5ddb9529726e934301b125cb720a273Steve Naroff OCT == Context->getCanonicalType(Context->getObjCClassType())) 42654055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 4271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4286217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = OCT->getAs<PointerType>()) { 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 430d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff PT->getPointeeType()->isObjCQualifiedIdType()) 43154055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 43254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 43354055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 43454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 43554055232a5ddb9529726e934301b125cb720a273Steve Naroff bool PointerTypeTakesAnyBlockArguments(QualType QT); 436e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian bool PointerTypeTakesAnyObjCQualifiedType(QualType QT); 4378189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void GetExtentOfArgList(const char *Name, const char *&LParen, 4388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const char *&RParen); 439b2f9e516327310d95840d442416084508f80c183Steve Naroff void RewriteCastExpr(CStyleCastExpr *CE); 4401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4414087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FunctionDecl *SynthBlockInitFunctionDecl(llvm::StringRef name); 4425e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 4435e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian const llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs); 4441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 445621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void QuoteDoublequotes(std::string &From, std::string &To) { 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (unsigned i = 0; i < From.length(); i++) { 447621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (From[i] == '"') 448621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff To += "\\\""; 449621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 450621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff To += From[i]; 451621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 452621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 453e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 454e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getSimpleFunctionType(QualType result, 455e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *args, 456e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall unsigned numArgs, 457e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool variadic = false) { 458e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo fpi; 459e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall fpi.Variadic = variadic; 460e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return Context->getFunctionType(result, args, numArgs, fpi); 461e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 46277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner }; 4639d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 4649d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall // Helper function: create a CStyleCastExpr with trivial type source info. 4659d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 4662de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CastKind Kind, Expr *E) { 4679d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 468f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall return CStyleCastExpr::Create(*Ctx, Ty, VK_RValue, Kind, E, 0, TInfo, 469f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation(), SourceLocation()); 4709d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall } 47177cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner} 47277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *D) { 475f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const FunctionProtoType *fproto 476723df245307a530da5433dfb43accf187dc3e243Abramo Bagnara = dyn_cast<FunctionProtoType>(funcType.IgnoreParens())) { 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 47854055232a5ddb9529726e934301b125cb720a273Steve Naroff E = fproto->arg_type_end(); I && (I != E); ++I) 47901f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(*I)) { 48054055232a5ddb9529726e934301b125cb720a273Steve Naroff // All the args are checked/rewritten. Don't call twice! 48154055232a5ddb9529726e934301b125cb720a273Steve Naroff RewriteBlockPointerDecl(D); 48254055232a5ddb9529726e934301b125cb720a273Steve Naroff break; 48354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 48454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 48554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 48654055232a5ddb9529726e934301b125cb720a273Steve Naroff 48754055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 4886217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const PointerType *PT = funcType->getAs<PointerType>(); 48954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 49072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 49154055232a5ddb9529726e934301b125cb720a273Steve Naroff} 49254055232a5ddb9529726e934301b125cb720a273Steve Naroff 493b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 494b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 4951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 496b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian if (DotPos == std::string::npos) { 497b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // no file extension 4981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 499b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian } 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 501b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 502b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // C header: .h 503b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // C++ header: .hh or .H; 504b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 5051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 506b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian 50766d6f048471aad6daf67b3ea804b54fbea72a076Eli FriedmanRewriteObjC::RewriteObjC(std::string inFile, llvm::raw_ostream* OS, 508c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman Diagnostic &D, const LangOptions &LOpts, 509c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool silenceMacroWarn) 510c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 511c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman SilenceRewriteMacroWarning(silenceMacroWarn) { 512a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff IsHeader = IsHeaderFile(inFile); 5131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RewriteFailedDiag = Diags.getCustomDiagID(Diagnostic::Warning, 514a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff "rewriting sub-expression within a macro (may not be correct)"); 5151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TryFinallyContainsReturnDiag = Diags.getCustomDiagID(Diagnostic::Warning, 5168189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek "rewriter doesn't support user-specified control flow semantics " 5178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek "for @try/@finally (code may not execute properly)"); 518a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff} 519a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff 520bce831b1ecda51cd1abd3c07467294ffd21f5f86Eli FriedmanASTConsumer *clang::CreateObjCRewriter(const std::string& InFile, 521bce831b1ecda51cd1abd3c07467294ffd21f5f86Eli Friedman llvm::raw_ostream* OS, 5221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diagnostic &Diags, 523c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman const LangOptions &LOpts, 524c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool SilenceRewriteMacroWarning) { 525c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman return new RewriteObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 526e365c50a21cb02e0219433db0c4461566ad4a597Chris Lattner} 52777cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 528b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::Initialize(ASTContext &context) { 5299e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner Context = &context; 5309e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SM = &Context->getSourceManager(); 531ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TUDecl = Context->getTranslationUnitDecl(); 5329e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendFunctionDecl = 0; 5339e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendSuperFunctionDecl = 0; 5349e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendStretFunctionDecl = 0; 5359e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendSuperStretFunctionDecl = 0; 5369e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendFpretFunctionDecl = 0; 5379e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner GetClassFunctionDecl = 0; 5389e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner GetMetaClassFunctionDecl = 0; 539d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian GetSuperClassFunctionDecl = 0; 5409e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SelGetUidFunctionDecl = 0; 5419e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner CFStringFunctionDecl = 0; 5429e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner ConstantStringClassReference = 0; 5439e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner NSStringRecord = 0; 54454055232a5ddb9529726e934301b125cb720a273Steve Naroff CurMethodDef = 0; 54554055232a5ddb9529726e934301b125cb720a273Steve Naroff CurFunctionDef = 0; 546abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 547b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff GlobalVarDecl = 0; 5489e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SuperStructDecl = 0; 549621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolTypeDecl = 0; 5509630ec5b6785e5b6e1c71aeddcad05005beb7483Steve Naroff ConstantStringDecl = 0; 5519e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner BcLabelCount = 0; 552c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff SuperContructorFunctionDecl = 0; 553d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff NumObjCStringLiterals = 0; 55468272b86b36f89d7ceba1ec9a2826c2126adc72eSteve Naroff PropParentMap = 0; 55568272b86b36f89d7ceba1ec9a2826c2126adc72eSteve Naroff CurrentBody = 0; 556b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = false; 557f292fcf6bd5118499a830e0950429effeb373c28Fariborz Jahanian objc_impl_method = false; 5581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5599e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // Get the ID and start/end of the main file. 5609e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileID = SM->getMainFileID(); 5619e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 5629e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileStart = MainBuf->getBufferStart(); 5639e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileEnd = MainBuf->getBufferEnd(); 5641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5652c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOptions()); 5661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5679e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // declaring objc_selector outside the parameter list removes a silly 5689e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // scope related warning... 569ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff if (IsHeader) 57062c2632c555bc701d41f0eb1803bbf0660d7f0c0Steve Naroff Preamble = "#pragma once\n"; 571ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct objc_selector; struct objc_class;\n"; 57246a98a7df016b4a6835a1902c2f8ff2a3a8012baSteve Naroff Preamble += "struct __rw_objc_super { struct objc_object *object; "; 573ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct objc_object *superClass; "; 574c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff if (LangOpts.Microsoft) { 575c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff // Add a constructor for creating temporary objects. 5768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 5778189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ": "; 578ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "object(o), superClass(s) {} "; 579c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff } 580ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "};\n"; 581ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 582ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "typedef struct objc_object Protocol;\n"; 583ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define _REWRITER_typedef_Protocol\n"; 584ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 5854ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff if (LangOpts.Microsoft) { 5864ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 5874ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 5884ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff } else 5897c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 5904ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend"; 591ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5924ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper"; 593ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 5944ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend_stret"; 595ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5964ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper_stret"; 597ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 5984ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret"; 599ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 6004ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 601ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(const char *);\n"; 602d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 603d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 6044ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 605ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(const char *);\n"; 6064ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n"; 6074ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n"; 6084ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n"; 6094ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n"; 6104ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match"; 611580ca7859330f8c92a66b09c21399ed9efa3991eSteve Naroff Preamble += "(struct objc_class *, struct objc_object *);\n"; 61259f05a48a7b0353090da2b8f878c2d760e55731cSteve Naroff // @synchronized hooks. 6134ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter(struct objc_object *);\n"; 6144ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit(struct objc_object *);\n"; 6154ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 616ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 617ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct __objcFastEnumerationState {\n\t"; 618ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long state;\n\t"; 619b10f273eb60db2f2205b955fe4f7a43e09a5e2f2Steve Naroff Preamble += "void **itemsPtr;\n\t"; 620ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long *mutationsPtr;\n\t"; 621ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long extra[5];\n};\n"; 6224ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 623ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define __FASTENUMERATIONSTATE\n"; 624ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 625ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 626ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct __NSConstantStringImpl {\n"; 627ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " int *isa;\n"; 628ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " int flags;\n"; 629ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " char *str;\n"; 630ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " long length;\n"; 631ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "};\n"; 63288bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 63388bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 63488bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#else\n"; 6354ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 63688bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#endif\n"; 637ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 638ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 63954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Blocks preamble. 64054055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#ifndef BLOCK_IMPL\n"; 64154055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#define BLOCK_IMPL\n"; 64254055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "struct __block_impl {\n"; 64354055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " void *isa;\n"; 64454055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " int Flags;\n"; 64501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Preamble += " int Reserved;\n"; 64654055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " void *FuncPtr;\n"; 64754055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "};\n"; 6485bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 649c9c1e9c4b513e83146eff1728142683980df26a7Steve Naroff Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 6507c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 6517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 652a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 653a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 654a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 655a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "#else\n"; 656cd826370bb146a25bddea48399953dd3077710cfSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 657cd826370bb146a25bddea48399953dd3077710cfSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 658a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 659a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 660a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "#endif\n"; 66154055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#endif\n"; 662a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff if (LangOpts.Microsoft) { 6634ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 6644ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 665553e583e1d30fe30ac2de3526536bbebee6da1ceChris Lattner Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 666a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff Preamble += "#define __attribute__(X)\n"; 667553e583e1d30fe30ac2de3526536bbebee6da1ceChris Lattner Preamble += "#endif\n"; 66834204195de802e9d3cc8d54355b2ad4b3c27f188Fariborz Jahanian Preamble += "#define __weak\n"; 669a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff } 6702086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian else { 67152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Preamble += "#define __block\n"; 6722086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian Preamble += "#define __weak\n"; 6732086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian } 674df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 675df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 676df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 6779e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner} 6789e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner 6799e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner 680f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 681f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner// Top Level Driver Code 682f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 683f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 684682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattnervoid RewriteObjC::HandleTopLevelSingleDecl(Decl *D) { 685e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek if (Diags.hasErrorOccurred()) 686e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek return; 687e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek 6882c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // Two cases: either the decl could be in the main file, or it could be in a 6892c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // #included file. If the former, rewrite it now. If the later, check to see 6902c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // if we rewrote the #include/#import. 6912c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner SourceLocation Loc = D->getLocation(); 692f7cf85b330bedd2877e1371fb0a83e99751ae162Chris Lattner Loc = SM->getInstantiationLoc(Loc); 6931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6942c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // If this is for a builtin, ignore it. 6952c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner if (Loc.isInvalid()) return; 6962c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner 697ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Look for built-in declarations that we need to refer during the rewrite. 698ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 69909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff RewriteFunctionDecl(FD); 700248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 701beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // declared in <Foundation/NSString.h> 7024087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar if (FVD->getName() == "_NSConstantStringClassReference") { 703beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ConstantStringClassReference = FVD; 704beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return; 705beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff } 706a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCInterfaceDecl *MD = dyn_cast<ObjCInterfaceDecl>(D)) { 707bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff RewriteInterfaceDecl(MD); 708a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 709423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff RewriteCategoryDecl(CD); 710a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 711752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff RewriteProtocolDecl(PD); 7121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (ObjCForwardProtocolDecl *FP = 713a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek dyn_cast<ObjCForwardProtocolDecl>(D)){ 714d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian RewriteForwardProtocolDecl(FP); 715d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 716d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor // Recurse into linkage specifications 71717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (DeclContext::decl_iterator DI = LSD->decls_begin(), 71817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DIEnd = LSD->decls_end(); 719d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor DI != DIEnd; ++DI) 720682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner HandleTopLevelSingleDecl(*DI); 721ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff } 722f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // If we have a decl in the main file, see if we should rewrite it. 723cf7e958483735935de6e0a64aa1e55a967116303Ted Kremenek if (SM->isFromMainFile(Loc)) 7242c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner return HandleDeclInMainFile(D); 7252c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner} 7262c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner 727f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 728f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner// Syntactic (non-AST) Rewriting Code 729f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 730f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 731b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteInclude() { 7322b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 733f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer llvm::StringRef MainBuf = SM->getBufferData(MainFileID); 734f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer const char *MainBufStart = MainBuf.begin(); 735f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer const char *MainBufEnd = MainBuf.end(); 736452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian size_t ImportLen = strlen("import"); 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 738af57b46f12e9dd48485fa27f2088f85466ee9292Fariborz Jahanian // Loop over the whole file, looking for includes. 739452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 740452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (*BufPtr == '#') { 741452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (++BufPtr == MainBufEnd) 742452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian return; 743452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 744452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (++BufPtr == MainBufEnd) 745452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian return; 746452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 747452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian // replace import with include 7481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ImportLoc = 749452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian LocStart.getFileLocWithOffset(BufPtr-MainBufStart); 750d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(ImportLoc, ImportLen, "include"); 751452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian BufPtr += ImportLen; 752452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 753452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 754452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 7558a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner} 7568a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner 7572d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanianstatic std::string getIvarAccessString(ObjCIvarDecl *OID) { 7582d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian const ObjCInterfaceDecl *ClassDecl = OID->getContainingInterface(); 759eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff std::string S; 760eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S = "((struct "; 761eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S += ClassDecl->getIdentifier()->getName(); 762eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S += "_IMPL *)self)->"; 7635ffe14ca96bd662de7820f6875d3f04789a640c1Daniel Dunbar S += OID->getName(); 764eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return S; 765eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff} 766eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff 767a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroffvoid RewriteObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 768a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCImplementationDecl *IMD, 769a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCCategoryImplDecl *CID) { 7707c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian static bool objcGetPropertyDefined = false; 7717c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian static bool objcSetPropertyDefined = false; 772d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff SourceLocation startLoc = PID->getLocStart(); 773d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, "// "); 774eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 775eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff assert((*startBuf == '@') && "bogus @synthesize location"); 776eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 777eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 7788189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation onePastSemiLoc = 7798189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 780eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff 781eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 782eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return; // FIXME: is this correct? 7831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 784eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff // Generate the 'getter' function. 785eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCPropertyDecl *PD = PID->getPropertyDecl(); 786eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 7871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 788dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff if (!OID) 789dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff return; 7907c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 791ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (!PD->getGetterMethodDecl()->isDefined()) { 792ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 793ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 794ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 795ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian std::string Getr; 796ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 797ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian objcGetPropertyDefined = true; 798ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 799ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 800ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 801ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 802ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 803ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian PD->getGetterMethodDecl(), Getr); 804ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "{ "; 805ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // Synthesize an explicit cast to gain access to the ivar. 806ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // See objc-act.c:objc_synthesize_new_getter() for details. 807ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (GenGetProperty) { 808ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 809ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "typedef "; 810ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian const FunctionType *FPRetType = 0; 811ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 812ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian FPRetType); 813ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += " _TYPE"; 814ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (FPRetType) { 815ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 8167c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 817ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian // Now, emit the argument types (if any). 818ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 819ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "("; 820ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 821ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (i) Getr += ", "; 822ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian std::string ParamStr = FT->getArgType(i).getAsString( 823ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Context->PrintingPolicy); 824ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ParamStr; 825ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 826ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (FT->isVariadic()) { 827ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 828ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "..."; 829ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 830ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ")"; 831ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } else 832ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "()"; 833ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian } 834ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ";\n"; 835ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "return (_TYPE)"; 836ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 837ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian SynthesizeIvarOffsetComputation(OID, Getr); 838ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += ", 1)"; 8397c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 840ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian else 841ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "return " + getIvarAccessString(OID); 842ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian Getr += "; }"; 843ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian InsertText(onePastSemiLoc, Getr); 8447c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 845ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian 846ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (PD->isReadOnly() || PD->getSetterMethodDecl()->isDefined()) 847eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return; 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 849eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff // Generate the 'setter' function. 850eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff std::string Setr; 8517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 8527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 8537c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 8547c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian objcSetPropertyDefined = true; 8557c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 8567c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 8577c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 8587c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8597c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 8602d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian RewriteObjCMethodDecl(OID->getContainingInterface(), 8612d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian PD->getSetterMethodDecl(), Setr); 862eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff Setr += "{ "; 863dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff // Synthesize an explicit cast to initialize the ivar. 86415f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // See objc-act.c:objc_synthesize_new_setter() for details. 8657c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenSetProperty) { 8667c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 8672d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian SynthesizeIvarOffsetComputation(OID, Setr); 8687c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += ", (id)"; 8694087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Setr += PD->getName(); 8707c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += ", "; 8717c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 8727c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "0, "; 8737c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8747c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "1, "; 8757c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 8767c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "1)"; 8777c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8787c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "0)"; 8797c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8807c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else { 8812d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian Setr += getIvarAccessString(OID) + " = "; 8824087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Setr += PD->getName(); 8837c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 884dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff Setr += "; }"; 885d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, Setr); 886d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff} 8878a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner 888b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteForwardClassDecl(ObjCClassDecl *ClassDecl) { 889f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Get the start location and compute the semi location. 890f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner SourceLocation startLoc = ClassDecl->getLocation(); 891f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner const char *startBuf = SM->getCharacterData(startLoc); 892f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner const char *semiPtr = strchr(startBuf, ';'); 8931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 894f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Translate to typedef's that forward reference structs with the same name 895f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // as the class. As a convenience, we include the original declaration 896f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // as a comment. 897f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner std::string typedefString; 89891fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += "// @class "; 89991fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian for (ObjCClassDecl::iterator I = ClassDecl->begin(), E = ClassDecl->end(); 90091fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian I != E; ++I) { 90191fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = I->getInterface(); 90291fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 90391fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian if (I+1 != E) 90491fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ", "; 90591fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian else 90691fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ";\n"; 90791fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian } 90891fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian 90967956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner for (ObjCClassDecl::iterator I = ClassDecl->begin(), E = ClassDecl->end(); 91067956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner I != E; ++I) { 911321c22f1c4271c3d9a3d4d3fc18847f948ab595bTed Kremenek ObjCInterfaceDecl *ForwardDecl = I->getInterface(); 91232174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "#ifndef _REWRITER_typedef_"; 913d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 91432174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "\n"; 91532174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "#define _REWRITER_typedef_"; 916d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 91732174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "\n"; 918352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff typedefString += "typedef struct objc_object "; 919d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 92032174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += ";\n#endif\n"; 921934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 9221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 923934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Replace the @class with typedefs corresponding to the classes. 924d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 925f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner} 926f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 927b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 928d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 929d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian // nothing to rewrite. 930d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian if (Method->isSynthesized()) 931d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian return; 93258dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation LocStart = Method->getLocStart(); 93358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation LocEnd = Method->getLocEnd(); 9341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93530fc933e5fbbb5f0ea60c47976d435254e378536Chris Lattner if (SM->getInstantiationLineNumber(LocEnd) > 93630fc933e5fbbb5f0ea60c47976d435254e378536Chris Lattner SM->getInstantiationLineNumber(LocStart)) { 937d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocStart, "#if 0\n"); 938d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocEnd, 1, ";\n#endif\n"); 93958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } else { 940d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocStart, "// "); 941423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff } 942423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff} 943423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 9441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::RewriteProperty(ObjCPropertyDecl *prop) { 945d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 9461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 947d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(Loc, 0, "// "); 9486327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff // FIXME: handle properties that are declared across multiple lines. 949957cf65bf32fe7c84886a2296d0b4ede40029850Fariborz Jahanian} 950957cf65bf32fe7c84886a2296d0b4ede40029850Fariborz Jahanian 951b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 952423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation LocStart = CatDecl->getLocStart(); 9531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 954423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // FIXME: handle category headers that are declared across multiple lines. 955d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95713751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 95813751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 95913751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian RewriteProperty(*I); 96013751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCCategoryDecl::instmeth_iterator 9621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 9636ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 96458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 9651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCCategoryDecl::classmeth_iterator 96617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 9676ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 96858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 96958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 970423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // Lastly, comment out the @end. 97173d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 97273d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian strlen("@end"), "/* @end */"); 973423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff} 974423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 975b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 976752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff SourceLocation LocStart = PDecl->getLocStart(); 9771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 978752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff // FIXME: handle protocol headers that are declared across multiple lines. 979d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::instmeth_iterator 9821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 9836ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 98458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 9856ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (ObjCProtocolDecl::classmeth_iterator 98617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 9876ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 98858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 98958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 99007acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 99107acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 99207acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian RewriteProperty(*I); 99307acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian 994752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff // Lastly, comment out the @end. 995782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 99673d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 9978cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff 998b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian // Must comment out @optional/@required 999b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 1000b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1001b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 1002b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 10038cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff SourceLocation OptionalLoc = LocStart.getFileLocWithOffset(p-startBuf); 1004d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 10051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1006b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 1007b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 10088cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff SourceLocation OptionalLoc = LocStart.getFileLocWithOffset(p-startBuf); 1009d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1011b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 1012b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 1013752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff} 1014752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff 1015b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteForwardProtocolDecl(ObjCForwardProtocolDecl *PDecl) { 1016d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian SourceLocation LocStart = PDecl->getLocation(); 1017b7fa992be16668b61f722e6e125137216860469eSteve Naroff if (LocStart.isInvalid()) 1018b7fa992be16668b61f722e6e125137216860469eSteve Naroff assert(false && "Invalid SourceLocation"); 1019d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 1020d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 1021d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian} 1022d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian 10237c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanianvoid RewriteObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 10247c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *&FPRetType) { 10257c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (T->isObjCQualifiedIdType()) 1026c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian ResultStr += "id"; 10277c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else if (T->isFunctionPointerType() || 10287c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian T->isBlockPointerType()) { 102976e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // needs special handling, since pointer-to-functions have special 103076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // syntax (where a decaration models use). 10317c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian QualType retType = T; 1032f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff QualType PointeeTy; 10336217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* PT = retType->getAs<PointerType>()) 1034f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff PointeeTy = PT->getPointeeType(); 10356217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 1036f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff PointeeTy = BPT->getPointeeType(); 1037183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 1038fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += FPRetType->getResultType().getAsString( 1039fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 1040f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff ResultStr += "(*"; 104176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 104276e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } else 1043fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += T.getAsString(Context->PrintingPolicy); 10447c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian} 10457c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 10462d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanianvoid RewriteObjC::RewriteObjCMethodDecl(const ObjCInterfaceDecl *IDecl, 10472d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian ObjCMethodDecl *OMD, 10487c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian std::string &ResultStr) { 10497c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 10507c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *FPRetType = 0; 10517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ResultStr += "\nstatic "; 10527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 1053531a1ea2f4c88817f3dc0f4628dfc34536f54c5eFariborz Jahanian ResultStr += " "; 10541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 105548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Unique method name 1056b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian std::string NameStr; 10571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1058f8d49f64ef6ab7e632717a31631fc289aab69428Douglas Gregor if (OMD->isInstanceMethod()) 1059b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_I_"; 106048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian else 1061b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_C_"; 10621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10632d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian NameStr += IDecl->getNameAsString(); 1064b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_"; 10651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ObjCCategoryImplDecl *CID = 10673e0a540b6d846178857289ec0eb8470a278d11a3Steve Naroff dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 1068d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner NameStr += CID->getNameAsString(); 1069b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_"; 107048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 10711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Append selector names, replacing ':' with '_' 1072077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner { 1073077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner std::string selString = OMD->getSelector().getAsString(); 107448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian int len = selString.size(); 107548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian for (int i = 0; i < len; i++) 107648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian if (selString[i] == ':') 107748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian selString[i] = '_'; 1078b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += selString; 107948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 1080b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian // Remember this name for metadata emission 1081b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 1082b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian ResultStr += NameStr; 10831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Rewrite arguments 108548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += "("; 10861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // invisible arguments 1088f8d49f64ef6ab7e632717a31631fc289aab69428Douglas Gregor if (OMD->isInstanceMethod()) { 10892d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian QualType selfTy = Context->getObjCInterfaceType(IDecl); 109048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 109105b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff if (!LangOpts.Microsoft) { 10922d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian if (ObjCSynthesizedStructs.count(const_cast<ObjCInterfaceDecl*>(IDecl))) 109305b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff ResultStr += "struct "; 109405b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff } 109505b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff // When rewriting for Microsoft, explicitly omit the structure name. 10962d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian ResultStr += IDecl->getNameAsString(); 109761ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff ResultStr += " *"; 109848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 109948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian else 1100fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += Context->getObjCClassType().getAsString( 1101fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 11021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110348a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += " self, "; 1104fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += Context->getObjCSelType().getAsString(Context->PrintingPolicy); 110548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += " _cmd"; 11061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Method arguments. 110889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 110989951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) { 111089951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PDecl = *PI; 111148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += ", "; 1112543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff if (PDecl->getType()->isObjCQualifiedIdType()) { 1113543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff ResultStr += "id "; 1114d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += PDecl->getNameAsString(); 1115543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff } else { 1116d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = PDecl->getNameAsString(); 11174fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QualType QT = PDecl->getType(); 11184fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 11194fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 11204fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QT.getAsStringInternal(Name, Context->PrintingPolicy); 11214fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian else 1122d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor PDecl->getType().getAsStringInternal(Name, Context->PrintingPolicy); 1123543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff ResultStr += Name; 1124543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff } 112548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 11267c39ff7eb3dd7ae9b2b81cb66a139c9b52f47f1dFariborz Jahanian if (OMD->isVariadic()) 11277c39ff7eb3dd7ae9b2b81cb66a139c9b52f47f1dFariborz Jahanian ResultStr += ", ..."; 1128531a1ea2f4c88817f3dc0f4628dfc34536f54c5eFariborz Jahanian ResultStr += ") "; 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FPRetType) { 113176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ")"; // close the precedence "scope" for "*". 11321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 113376e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // Now, emit the argument types (if any). 113472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 113576e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "("; 113676e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 113776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (i) ResultStr += ", "; 1138fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string ParamStr = FT->getArgType(i).getAsString( 1139fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 114076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ParamStr; 114176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 114276e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FT->isVariadic()) { 114376e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FT->getNumArgs()) ResultStr += ", "; 114476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "..."; 114576e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 114676e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ")"; 114776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } else { 114876e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "()"; 114976e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 115076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 115148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian} 11524afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorvoid RewriteObjC::RewriteImplementationDecl(Decl *OID) { 1153a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 1154a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 11551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1156a135216595c00ddb5ce5f5b853a3d1f4037a13b7Fariborz Jahanian InsertText(IMD ? IMD->getLocStart() : CID->getLocStart(), "// "); 11571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1158a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek for (ObjCCategoryImplDecl::instmeth_iterator 115917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 116017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 1161653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 116248a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian std::string ResultStr; 1163a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *OMD = *I; 11642d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 116548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 11666fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 1167d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 116848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 116948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1170d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, ResultStr); 117148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 11721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1173a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek for (ObjCCategoryImplDecl::classmeth_iterator 117417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 117517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 1176653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 117748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian std::string ResultStr; 1178a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *OMD = *I; 11792d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian RewriteObjCMethodDecl(OMD->getClassInterface(), OMD, ResultStr); 118048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 11816fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 11821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 118348a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 118448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1185d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, ResultStr); 118648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 1187d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff for (ObjCCategoryImplDecl::propimpl_iterator 118817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 11891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 1190653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 1191a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff RewritePropertyImplDecl(*I, IMD, CID); 1192d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff } 1193d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff 1194d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 119548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian} 119648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian 1197b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 1198f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff std::string ResultStr; 1199a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCForwardDecls.count(ClassDecl)) { 12006c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff // we haven't seen a forward decl - generate a typedef. 12015086a8df9a269acc2e4f0deb1895d4a9e9d13f4dSteve Naroff ResultStr = "#ifndef _REWRITER_typedef_"; 1202d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 120332174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "\n"; 120432174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "#define _REWRITER_typedef_"; 1205d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 120632174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "\n"; 120761ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff ResultStr += "typedef struct objc_object "; 1208d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 120932174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += ";\n#endif\n"; 12106c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff // Mark this typedef as having been generated. 1211a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCForwardDecls.insert(ClassDecl); 12126c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff } 1213a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek SynthesizeObjCInternalStruct(ClassDecl, ResultStr); 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 121617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = ClassDecl->prop_end(); I != E; ++I) 12176327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff RewriteProperty(*I); 12181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::instmeth_iterator 121917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 12206ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 122158dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::classmeth_iterator 12231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 12246ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 122558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 122658dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 12272feac5e559ca5c9693a3a19905ab106b9c52e193Steve Naroff // Lastly, comment out the @end. 122873d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 122973d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian "/* @end */"); 1230bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff} 1231bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff 1232f2ad2c92720f0e25c032188783a1d6374155f03aFariborz JahanianStmt *RewriteObjC::RewritePropertyOrImplicitSetter(BinaryOperator *BinOp, Expr *newStmt, 1233b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange) { 1234f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMethodDecl *OMD = 0; 1235f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian QualType Ty; 1236f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Selector Sel; 123754bd4577762228fdca4367dbc3af5e13e7f21389Duncan Sands Stmt *Receiver = 0; 12388ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian bool Super = false; 12398ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian QualType SuperTy; 12408ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SourceLocation SuperLocation; 1241f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SourceLocation SelectorLoc; 1242f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr or ObjCImplicitSetterGetterRefExpr. 1243c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // This allows us to reuse all the fun and games in SynthMessageExpr(). 124412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (ObjCPropertyRefExpr *PropRefExpr = 124512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall dyn_cast<ObjCPropertyRefExpr>(BinOp->getLHS())) { 1246f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SelectorLoc = PropRefExpr->getLocation(); 124712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (PropRefExpr->isExplicitProperty()) { 124812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ObjCPropertyDecl *PDecl = PropRefExpr->getExplicitProperty(); 124912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PDecl->getSetterMethodDecl(); 125012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PDecl->getType(); 125112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = PDecl->getSetterName(); 125212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 125312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PropRefExpr->getImplicitPropertySetter(); 125412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = OMD->getSelector(); 125512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PropRefExpr->getType(); 125612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } 12578ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Super = PropRefExpr->isSuperReceiver(); 125812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (!Super) { 12598ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Receiver = PropRefExpr->getBase(); 126012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 126112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperTy = PropRefExpr->getSuperReceiverType(); 126212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperLocation = PropRefExpr->getReceiverLocation(); 12638ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian } 1264f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian } 1265f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 1266f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian assert(OMD && "RewritePropertyOrImplicitSetter - null OMD"); 1267c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff llvm::SmallVector<Expr *, 1> ExprVec; 1268c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff ExprVec.push_back(newStmt); 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1270f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMessageExpr *MsgExpr; 12718ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian if (Super) 127204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1273f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1274f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 127504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME?*/SourceLocation(), 12768ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperLocation, 127704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*IsInstanceSuper=*/true, 12788ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperTy, 1279f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 128004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ExprVec[0], 1, 128104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1282e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian else { 1283e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // FIXME. Refactor this into common code with that in 1284e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // RewritePropertyOrImplicitGetter 1285e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian assert(Receiver && "RewritePropertyOrImplicitSetter - null Receiver"); 1286e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (Expr *Exp = dyn_cast<Expr>(Receiver)) 1287e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (PropGetters[Exp]) 1288e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // This allows us to handle chain/nested property/implicit getters. 1289e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian Receiver = PropGetters[Exp]; 1290e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian 129104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1292f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1293f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 129404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME: */SourceLocation(), 129504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver), 1296f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 129704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ExprVec[0], 1, 129804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1299e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian } 1300c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *ReplacingStmt = SynthMessageExpr(MsgExpr); 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1302c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Now do the actual rewrite. 1303b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff ReplaceStmtWithRange(BinOp, ReplacingStmt, SrcRange); 1304e58ee0ca7cfad6ee75a088e7a6a090526e18da50Steve Naroff //delete BinOp; 13058189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 13068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 13078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 1308c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff return ReplacingStmt; 130915f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff} 131015f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 1311f2ad2c92720f0e25c032188783a1d6374155f03aFariborz JahanianStmt *RewriteObjC::RewritePropertyOrImplicitGetter(Expr *PropOrGetterRefExpr) { 1312f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr or ImplicitGetter. 131315f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // This allows us to reuse all the fun and games in SynthMessageExpr(). 13143b562af1b3675d22e8ad0cef6f48343b3c2ee02dTed Kremenek Stmt *Receiver = 0; 1315f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMethodDecl *OMD = 0; 1316f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian QualType Ty; 1317f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Selector Sel; 13188ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian bool Super = false; 13198ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian QualType SuperTy; 13208ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SourceLocation SuperLocation; 1321f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SourceLocation SelectorLoc; 1322f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian if (ObjCPropertyRefExpr *PropRefExpr = 1323f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian dyn_cast<ObjCPropertyRefExpr>(PropOrGetterRefExpr)) { 1324f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis SelectorLoc = PropRefExpr->getLocation(); 132512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (PropRefExpr->isExplicitProperty()) { 132612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall ObjCPropertyDecl *PDecl = PropRefExpr->getExplicitProperty(); 132712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PDecl->getGetterMethodDecl(); 132812f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PDecl->getType(); 132912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = PDecl->getGetterName(); 133012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } else { 133112f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall OMD = PropRefExpr->getImplicitPropertyGetter(); 133212f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Sel = OMD->getSelector(); 133312f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall Ty = PropRefExpr->getType(); 133412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall } 13358ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Super = PropRefExpr->isSuperReceiver(); 13368ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian if (!Super) 13378ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian Receiver = PropRefExpr->getBase(); 13388ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian else { 133912f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperTy = PropRefExpr->getSuperReceiverType(); 134012f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall SuperLocation = PropRefExpr->getReceiverLocation(); 13418ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian } 13428599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 1343f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 1344f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian assert (OMD && "RewritePropertyOrImplicitGetter - OMD is null"); 1345f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 1346f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ObjCMessageExpr *MsgExpr; 13478ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian if (Super) 134804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1349f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1350f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 13518ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian /*FIXME?*/SourceLocation(), 13528ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperLocation, 135304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*IsInstanceSuper=*/true, 13548ac2d449820fd0df00fcbde5bf82165c1f49854dFariborz Jahanian SuperTy, 1355f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 135604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 0, 0, 135704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1358e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian else { 1359e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian assert (Receiver && "RewritePropertyOrImplicitGetter - Receiver is null"); 1360e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (Expr *Exp = dyn_cast<Expr>(Receiver)) 1361e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian if (PropGetters[Exp]) 1362e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian // This allows us to handle chain/nested property/implicit getters. 1363e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian Receiver = PropGetters[Exp]; 136404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 1365f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Ty.getNonReferenceType(), 1366f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr::getValueKindForType(Ty), 136704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation(), 136804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver), 1369f40f0d5a382395e0301d7dcbeaa2b8e90b8973b1Argyrios Kyrtzidis Sel, SelectorLoc, OMD, 137004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 0, 0, 137104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1372e0f83863595f5725791d88a799d20dbae38bed4aFariborz Jahanian } 137315f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 13744c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff Stmt *ReplacingStmt = SynthMessageExpr(MsgExpr); 13758599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff 13768599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (!PropParentMap) 13778599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = new ParentMap(CurrentBody); 13783cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian bool NestedPropertyRef = false; 1379f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Stmt *Parent = PropParentMap->getParent(PropOrGetterRefExpr); 13803cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian ImplicitCastExpr*ICE=0; 13813cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian if (Parent) 13823cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian if ((ICE = dyn_cast<ImplicitCastExpr>(Parent))) { 13833cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian assert((ICE->getCastKind() == CK_GetObjCProperty) 13843cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian && "RewritePropertyOrImplicitGetter"); 13853cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian Parent = PropParentMap->getParent(Parent); 13863cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian NestedPropertyRef = (Parent && isa<ObjCPropertyRefExpr>(Parent)); 13873cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian } 13883cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian if (NestedPropertyRef) { 13898599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // We stash away the ReplacingStmt since actually doing the 13908599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // replacement/rewrite won't work for nested getters (e.g. obj.p.i) 13913cd1ea32c312dee47432dbb982f83bccff7356acFariborz Jahanian PropGetters[ICE] = ReplacingStmt; 13928189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 13938189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 13948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 1395f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian return PropOrGetterRefExpr; // return the original... 13968599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } else { 1397f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian ReplaceStmt(PropOrGetterRefExpr, ReplacingStmt); 13981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // delete PropRefExpr; elsewhere... 13998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 14008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 14018189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 14028599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff return ReplacingStmt; 14038599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 140415f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff} 140515f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 14061eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpStmt *RewriteObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV, 14072b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian SourceLocation OrigStart, 14082b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool &replaced) { 1409a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl *D = IV->getDecl(); 141084ed600154d48d75f204795410aae808d7e4b7bdFariborz Jahanian const Expr *BaseExpr = IV->getBase(); 141154055232a5ddb9529726e934301b125cb720a273Steve Naroff if (CurMethodDef) { 14128f0954309eb885891908ecdfbb06d720c63128edFariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 1413f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const ObjCInterfaceType *iFaceDecl = 141484ed600154d48d75f204795410aae808d7e4b7bdFariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 1415ffbdead156eb0bc94d1cc7e28eadcca52dfb8194Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 1416f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // lookup which class implements the instance variable. 1417f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff ObjCInterfaceDecl *clsDeclared = 0; 14181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 14196ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor clsDeclared); 1420f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 14211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1422f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 1423f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff std::string RecName = clsDeclared->getIdentifier()->getName(); 1424f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff RecName += "_IMPL"; 1425d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer IdentifierInfo *II = &Context->Idents.get(RecName); 1426465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 1427df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek SourceLocation(), II); 1428f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 1429f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 14309d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 1431a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 14329d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall IV->getBase()); 1433f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // Don't forget the parens to enforce the proper binding. 14348189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 1435f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall IV->getBase()->getLocEnd(), 1436f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall castExpr); 14372b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced = true; 14381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IV->isFreeIvar() && 143954055232a5ddb9529726e934301b125cb720a273Steve Naroff CurMethodDef->getClassInterface() == iFaceDecl->getDecl()) { 14408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek MemberExpr *ME = new (Context) MemberExpr(PE, true, D, 1441f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall IV->getLocation(), 1442f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall D->getType(), 1443f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, OK_Ordinary); 1444f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete IV; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 1445f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff return ME; 1446c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 14477e20ffe322866f6a2e820e054da9bd0f6e9b0af4Fariborz Jahanian // Get the new text 14483b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // Cannot delete IV->getBase(), since PE points to it. 14493b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // Replace the old base with the cast. This is important when doing 14503b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // embedded rewrites. For example, [newInv->_container addObject:0]. 14511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IV->setBase(PE); 14523b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner return IV; 1453c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 145484472a897a99db80d49eb5ac1ac85d54b1cc6554Steve Naroff } else { // we are outside a method. 14559f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(!IV->isFreeIvar() && "Cannot have a free standing ivar outside a method"); 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14579f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Explicit ivar refs need to have a cast inserted. 14589f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // FIXME: consider sharing some of this code with the code above. 145926337b2f6d4b8dc7458a6e24dca05cb021a21861Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 1460f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const ObjCInterfaceType *iFaceDecl = 1461c374cd978abdeb289d360426129886f6e354a459Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 14629f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // lookup which class implements the instance variable. 14639f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff ObjCInterfaceDecl *clsDeclared = 0; 14641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 14656ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor clsDeclared); 14669f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 14671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14689f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 14699f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff std::string RecName = clsDeclared->getIdentifier()->getName(); 14709f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff RecName += "_IMPL"; 1471d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer IdentifierInfo *II = &Context->Idents.get(RecName); 1472465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 1473df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek SourceLocation(), II); 14749f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 14759f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 14769d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 1477a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 14789d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall IV->getBase()); 14799f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Don't forget the parens to enforce the proper binding. 14808189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 14818d36616a093f65f667d22bc1136a4c2be0bae7dfChris Lattner IV->getBase()->getLocEnd(), castExpr); 14822b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced = true; 14839f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Cannot delete IV->getBase(), since PE points to it. 14849f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Replace the old base with the cast. This is important when doing 14859f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // embedded rewrites. For example, [newInv->_container addObject:0]. 14861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IV->setBase(PE); 14879f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff return IV; 14889f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff } 1489c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 149084472a897a99db80d49eb5ac1ac85d54b1cc6554Steve Naroff return IV; 14917e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff} 14927e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff 14932b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz JahanianStmt *RewriteObjC::RewriteObjCNestedIvarRefExpr(Stmt *S, bool &replaced) { 14947502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) { 14952b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (*CI) { 14962b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt = RewriteObjCNestedIvarRefExpr(*CI, replaced); 14972b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (newStmt) 14982b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian *CI = newStmt; 14992b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 15002b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 15012b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 15022b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 15032b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt = RewriteObjCIvarRefExpr(IvarRefExpr, OrigStmtRange.getBegin(), 15042b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced); 15052b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian return newStmt; 1506376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian } 1507376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian if (ObjCMessageExpr *MsgRefExpr = dyn_cast<ObjCMessageExpr>(S)) { 1508376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian Stmt *newStmt = SynthMessageExpr(MsgRefExpr); 1509376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian return newStmt; 1510376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian } 15112b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian return S; 15122b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian} 15132b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian 1514fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// SynthCountByEnumWithState - To print: 1515fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// ((unsigned int (*) 1516fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 15171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (void *)objc_msgSend)((id)l_collection, 1518fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// sel_registerName( 15191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// "countByEnumeratingWithState:objects:count:"), 15201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// &enumState, 1521fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// (id *)items, (unsigned int)16) 1522fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1523fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroffvoid RewriteObjC::SynthCountByEnumWithState(std::string &buf) { 1524fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 1525fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff "id *, unsigned int))(void *)objc_msgSend)"; 1526fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "\n\t\t"; 1527fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "((id)l_collection,\n\t\t"; 1528fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 1529fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "\n\t\t"; 1530fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "&enumState, " 1531fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff "(id *)items, (unsigned int)16)"; 1532fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 1533b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff 1534fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 1535fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// statement to exit to its outer synthesized loop. 1536fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1537fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteBreakStmt(BreakStmt *S) { 1538fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 1539fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 1540fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // replace break with goto __break_label 1541fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string buf; 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1543fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = S->getLocStart(); 1544fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf = "goto __break_label_"; 1545fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += utostr(ObjCBcLabelNo.back()); 1546d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, strlen("break"), buf); 15472bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff 1548fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return 0; 1549fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 1550a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian 1551fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 1552fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// statement to continue with its inner synthesized loop. 1553fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1554fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteContinueStmt(ContinueStmt *S) { 1555fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 1556fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 1557fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // replace continue with goto __continue_label 1558fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string buf; 15591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1560fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = S->getLocStart(); 1561fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf = "goto __continue_label_"; 1562fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += utostr(ObjCBcLabelNo.back()); 1563d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, strlen("continue"), buf); 15641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1565e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian return 0; 1566e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian} 1567e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian 1568a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 156910d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// It rewrites: 157010d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// for ( type elem in collection) { stmts; } 15711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// Into: 157310d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// { 15741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// type elem; 157533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 157610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// id items[16]; 157733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// id l_collection = (id)collection; 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 157933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objects:items count:16]; 158010d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// if (limit) { 158110d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 158210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// do { 158310d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// unsigned long counter = 0; 158410d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// do { 15851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// if (startMutations != *enumState.mutationsPtr) 158633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objc_enumerationMutation(l_collection); 158788f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 158810d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// stmts; 1589e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian/// __continue_label: ; 159010d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } while (counter < limit); 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 159233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objects:items count:16]); 159333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// elem = nil; 1594e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian/// __break_label: ; 159510d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } 159610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// else 159710d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// elem = nil; 159810d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } 159910d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// 1600b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 1601338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner SourceLocation OrigEnd) { 1602e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 16031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 1604e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 16051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!ObjCBcLabelNo.empty() && 1606e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 16071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 160933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 16104087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef elementName; 161188f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian std::string elementTypeAsString; 161233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian std::string buf; 161333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf = "\n{\n\t"; 161433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 161533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // type elem; 16167e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 16171ed8e2a39456d064a346a6a5c2f6bd53e6d57345Ted Kremenek QualType ElementType = cast<ValueDecl>(D)->getType(); 1618e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff if (ElementType->isObjCQualifiedIdType() || 1619e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff ElementType->isObjCQualifiedInterfaceType()) 1620e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff // Simply use 'id' for all qualified types. 1621e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff elementTypeAsString = "id"; 1622e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff else 1623fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar elementTypeAsString = ElementType.getAsString(Context->PrintingPolicy); 162488f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += elementTypeAsString; 162533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += " "; 16264087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar elementName = D->getName(); 162733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 162833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ";\n\t"; 162933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian } 163006767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner else { 163106767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 16324087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar elementName = DR->getDecl()->getName(); 1633e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 1634e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff if (VD->getType()->isObjCQualifiedIdType() || 1635e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff VD->getType()->isObjCQualifiedInterfaceType()) 1636e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff // Simply use 'id' for all qualified types. 1637e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff elementTypeAsString = "id"; 1638e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff else 1639fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar elementTypeAsString = VD->getType().getAsString(Context->PrintingPolicy); 164088f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian } 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 164333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 164433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // id items[16]; 164533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "id items[16];\n\t"; 164633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // id l_collection = (id) 164733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "id l_collection = (id)"; 16487571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian // Find start location of 'collection' the hard way! 16497571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian const char *startCollectionBuf = startBuf; 16507571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 16517571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 16527571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf++; // skip '(' 16537571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian // find 'in' and skip it. 16547571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian while (*startCollectionBuf != ' ' || 16557571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 16567571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 16577571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 16587571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf++; 16597571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf += 3; 16601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Replace: "for (type element in" with string constructed thus far. 1662d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 166333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 16647571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 16657571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 16667571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian SourceLocation lparenLoc = startLoc.getFileLocWithOffset(rparenBuf-startBuf); 166733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf = ";\n\t"; 16681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 167033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // objects:items count:16]; 167133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // which is synthesized into: 16721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // unsigned int limit = 167333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // ((unsigned int (*) 167433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 16751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (void *)objc_msgSend)((id)l_collection, 167633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // sel_registerName( 16771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // "countByEnumeratingWithState:objects:count:"), 16781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (struct __objcFastEnumerationState *)&state, 167933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // (id *)items, (unsigned int)16); 168033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 168133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SynthCountByEnumWithState(buf); 168233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ";\n\t"; 168333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// if (limit) { 168433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 168533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// do { 168633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// unsigned long counter = 0; 168733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// do { 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// if (startMutations != *enumState.mutationsPtr) 168933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// objc_enumerationMutation(l_collection); 169088f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 169133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "if (limit) {\n\t"; 169233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 169333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "do {\n\t\t"; 169433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 169533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "do {\n\t\t\t"; 169633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 169733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 169833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 169988f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += " = ("; 170088f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += elementTypeAsString; 170188f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 170233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 1703d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lparenLoc, 1, buf); 17041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1705e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian /// __continue_label: ; 170633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } while (counter < limit); 17071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 170833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// objects:items count:16]); 170933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// elem = nil; 1710e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian /// __break_label: ; 171133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } 171233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// else 171333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// elem = nil; 171433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } 17151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 1716e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf = ";\n\t"; 1717e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "__continue_label_"; 1718e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 1719e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += ": ;"; 1720e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "\n\t\t"; 172133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 172233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "} while (limit = "; 172333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SynthCountByEnumWithState(buf); 172433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ");\n\t"; 172533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 172665b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += " = (("; 172765b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += elementTypeAsString; 172865b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += ")0);\n\t"; 1729e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "__break_label_"; 1730e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 1731e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += ": ;\n\t"; 173233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "}\n\t"; 173333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "else\n\t\t"; 173433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 173565b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += " = (("; 173665b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += elementTypeAsString; 173765b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += ")0);\n\t"; 173833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "}\n"; 17391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 174033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Insert all these *after* the statement body. 1741d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl // FIXME: If this should support Obj-C++, support CXXTryStmt 1742600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff if (isa<CompoundStmt>(S->getBody())) { 1743600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff SourceLocation endBodyLoc = OrigEnd.getFileLocWithOffset(1); 1744d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endBodyLoc, buf); 1745600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff } else { 1746600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff /* Need to treat single statements specially. For example: 1747600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * 1748600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * for (A *a in b) if (stuff()) break; 1749600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * for (A *a in b) xxxyy; 1750600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * 1751600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * The following code simply scans ahead to the semi to find the actual end. 1752600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff */ 1753600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff const char *stmtBuf = SM->getCharacterData(OrigEnd); 1754600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff const char *semiBuf = strchr(stmtBuf, ';'); 1755600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff assert(semiBuf && "Can't find ';'"); 1756600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff SourceLocation endBodyLoc = OrigEnd.getFileLocWithOffset(semiBuf-stmtBuf+1); 1757d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endBodyLoc, buf); 1758600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff } 1759e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmts.pop_back(); 1760e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian ObjCBcLabelNo.pop_back(); 176133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return 0; 176210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian} 176310d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian 17641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// RewriteObjCSynchronizedStmt - 1765a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 1766a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// into: 1767a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// objc_sync_enter(expr); 1768a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 1769a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// 1770b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 1771a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian // Get the start location and compute the semi location. 1772a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 1773a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 17741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1775a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 17761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string buf; 17783498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff buf = "objc_sync_enter((id)"; 17793498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff const char *lparenBuf = startBuf; 17803498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff while (*lparenBuf != '(') lparenBuf++; 1781d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 17821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 17831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // the sync expression is typically a message expression that's already 1784c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff // been rewritten! (which implies the SourceLocation's are invalid). 1785c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff SourceLocation endLoc = S->getSynchBody()->getLocStart(); 1786a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 1787c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff while (*endBuf != ')') endBuf--; 1788c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff SourceLocation rparenLoc = startLoc.getFileLocWithOffset(endBuf-startBuf); 1789a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf = ");\n"; 1790a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 1791a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n"; 1792a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 1793a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 1794a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 1795a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 1796a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 1797d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(rparenLoc, 1, buf); 1798a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian startLoc = S->getSynchBody()->getLocEnd(); 1799a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 18001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1801c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff assert((*startBuf == '}') && "bogus @synchronized block"); 1802a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 1803a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf = "}\nelse {\n"; 1804a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 1805621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff buf += "}\n"; 1806621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff buf += "{ /* implicit finally clause */\n"; 1807a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 1808b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1809b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string syncBuf; 1810b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += " objc_sync_exit("; 18119d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Expr *syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 1812a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 18139d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall S->getSynchExpr()); 1814a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek std::string syncExprBufS; 1815a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek llvm::raw_string_ostream syncExprBuf(syncExprBufS); 1816e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner syncExpr->printPretty(syncExprBuf, *Context, 0, 1817e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner PrintingPolicy(LangOpts)); 1818b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += syncExprBuf.str(); 1819b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += ");"; 1820b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1821b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += syncBuf; 1822b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n"; 1823a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "}\n"; 1824a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "}"; 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1826d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1827b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1828b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff bool hasReturns = false; 1829b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(S->getSynchBody(), hasReturns); 1830b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (hasReturns) 1831b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteSyncReturnStmts(S->getSynchBody(), syncBuf); 1832b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1833a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return 0; 1834a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian} 1835a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian 1836b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::WarnAboutReturnGotoStmts(Stmt *S) 1837b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff{ 18388c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff // Perform a bottom up traversal of all children. 18397502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 18408c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff if (*CI) 1841b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff WarnAboutReturnGotoStmts(*CI); 18428c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff 1843b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 18441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diags.Report(Context->getFullLoc(S->getLocStart()), 18458c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff TryFinallyContainsReturnDiag); 18468c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff } 18478c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff return; 18488c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff} 18498c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff 1850b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::HasReturnStmts(Stmt *S, bool &hasReturns) 1851b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff{ 1852b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 18537502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 1854b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) 1855b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(*CI, hasReturns); 1856b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1857b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) 1858b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff hasReturns = true; 1859b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1860b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1861b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1862b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::RewriteTryReturnStmts(Stmt *S) { 1863b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 18647502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 1865b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) { 1866b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteTryReturnStmts(*CI); 1867b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1868b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) { 1869b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation startLoc = S->getLocStart(); 1870b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 1871b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1872b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 1873b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'"); 1874b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation onePastSemiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 1875b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1876b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string buf; 1877b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf = "{ objc_exception_try_exit(&_stack); return"; 1878b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1879d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 6, buf); 1880d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, "}"); 1881b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1882b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1883b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1884b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1885b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) { 1886b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 18877502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 1888b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) { 1889b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteSyncReturnStmts(*CI, syncExitBuf); 1890b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1891b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) { 1892b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation startLoc = S->getLocStart(); 1893b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 1894b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1895b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 1896b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'"); 1897b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation onePastSemiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 1898b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1899b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string buf; 1900b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf = "{ objc_exception_try_exit(&_stack);"; 1901b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += syncExitBuf; 1902b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += " return"; 1903b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1904d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 6, buf); 1905d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, "}"); 1906b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1907b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1908b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1909b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1910b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 19117573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Get the start location and compute the semi location. 19127573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation startLoc = S->getLocStart(); 19137573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19157573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @try location"); 19167573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19177573098b83e780d1c5bea13b384b610d8f155676Steve Naroff std::string buf; 19187573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // declare a new scope with two variables, _stack and _rethrow. 19197573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "/* @try scope begin */ { struct _objc_exception_data {\n"; 19207573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "int buf[18/*32-bit i386*/];\n"; 19217573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "char *pointers[4];} _stack;\n"; 19227573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "id volatile _rethrow = 0;\n"; 19237573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "objc_exception_try_enter(&_stack);\n"; 192421867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 19257573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1926d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 4, buf); 19271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = S->getTryBody()->getLocEnd(); 19297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 19307573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19317573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '}') && "bogus @try block"); 19321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1933c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff SourceLocation lastCurlyLoc = startLoc; 19348f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (S->getNumCatchStmts()) { 1935c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff startLoc = startLoc.getFileLocWithOffset(1); 1936c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf = " /* @catch begin */ else {\n"; 1937c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " id _caught = objc_exception_extract(&_stack);\n"; 1938c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " objc_exception_try_enter (&_stack);\n"; 1939c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " if (_setjmp(_stack.buf))\n"; 1940c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " _rethrow = objc_exception_extract(&_stack);\n"; 1941c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " else { /* @catch continue */"; 19421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1943d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, buf); 19448bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff } else { /* no catch list */ 19458bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf = "}\nelse {\n"; 19468bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf += " _rethrow = objc_exception_extract(&_stack);\n"; 19478bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf += "}"; 1948d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1949c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff } 19507573098b83e780d1c5bea13b384b610d8f155676Steve Naroff Stmt *lastCatchBody = 0; 19518f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 19528f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 1953c00d8e18ad3d903acfeb5d05163ce90713066a3fDouglas Gregor VarDecl *catchDecl = Catch->getCatchParamDecl(); 19547573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19558f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (I == 0) 19567573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "if ("; // we are generating code for the first catch clause 19577573098b83e780d1c5bea13b384b610d8f155676Steve Naroff else 19587573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "else if ("; 19598f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor startLoc = Catch->getLocStart(); 19607573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 19611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19627573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @catch location"); 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19647573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *lParenLoc = strchr(startBuf, '('); 19657573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 19668f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (Catch->hasEllipsis()) { 1967e12e69223ec279e89ac681023d42184b115e0068Steve Naroff // Now rewrite the body... 19688f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor lastCatchBody = Catch->getCatchBody(); 1969e12e69223ec279e89ac681023d42184b115e0068Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocStart(); 1970e12e69223ec279e89ac681023d42184b115e0068Steve Naroff const char *bodyBuf = SM->getCharacterData(bodyLoc); 19718f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' && 197206767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @catch paren location"); 1973e12e69223ec279e89ac681023d42184b115e0068Steve Naroff assert((*bodyBuf == '{') && "bogus @catch body location"); 19741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1975e12e69223ec279e89ac681023d42184b115e0068Steve Naroff buf += "1) { id _tmp = _caught;"; 1976d7407dc92c7d19cafce429e7e1cf9819d3fc0b92Daniel Dunbar Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf); 19777ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } else if (catchDecl) { 19787ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff QualType t = catchDecl->getType(); 1979a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (t == Context->getObjCIdType()) { 19807573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "1) { "; 1981d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 1982506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall } else if (const ObjCObjectPointerType *Ptr = 1983506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall t->getAs<ObjCObjectPointerType>()) { 1984506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall // Should be a pointer to a class. 1985506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 1986506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall if (IDecl) { 198721867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "objc_exception_match((struct objc_class *)objc_getClass(\""; 1988506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall buf += IDecl->getNameAsString(); 198921867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "\"), (struct objc_object *)_caught)) { "; 1990d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 19917573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19927573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19937573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Now rewrite the body... 19948f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor lastCatchBody = Catch->getCatchBody(); 19958f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor SourceLocation rParenLoc = Catch->getRParenLoc(); 19967573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocStart(); 19977573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *bodyBuf = SM->getCharacterData(bodyLoc); 19987573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *rParenBuf = SM->getCharacterData(rParenLoc); 19997573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*rParenBuf == ')') && "bogus @catch paren location"); 20007573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*bodyBuf == '{') && "bogus @catch body location"); 20011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Here we replace ") {" with "= _caught;" (which initializes and 20037573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // declares the @catch parameter). 2004d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;"); 20057ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } else { 20067573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert(false && "@catch rewrite bug"); 20072bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff } 20087573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 20097573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Complete the catch list... 20107573098b83e780d1c5bea13b384b610d8f155676Steve Naroff if (lastCatchBody) { 20117573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocEnd(); 201206767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner assert(*SM->getCharacterData(bodyLoc) == '}' && 201306767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @catch body location"); 20141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2015378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff // Insert the last (implicit) else clause *before* the right curly brace. 2016378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff bodyLoc = bodyLoc.getFileLocWithOffset(-1); 2017378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf = "} /* last catch end */\n"; 2018378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "else {\n"; 2019378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " _rethrow = _caught;\n"; 2020378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " objc_exception_try_exit(&_stack);\n"; 2021378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "} } /* @catch end */\n"; 2022378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff if (!S->getFinallyStmt()) 2023378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "}\n"; 2024d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(bodyLoc, buf); 20251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Set lastCurlyLoc 20277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = lastCatchBody->getLocEnd(); 20287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 2029a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) { 20307573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = finalStmt->getLocStart(); 20317573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 20327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @finally start"); 20331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2034d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 8, "/* @finally */"); 20351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20367573098b83e780d1c5bea13b384b610d8f155676Steve Naroff Stmt *body = finalStmt->getFinallyBody(); 20377573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation startLoc = body->getLocStart(); 20387573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation endLoc = body->getLocEnd(); 203906767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner assert(*SM->getCharacterData(startLoc) == '{' && 204006767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @finally body location"); 20411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(*SM->getCharacterData(endLoc) == '}' && 204206767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @finally body location"); 20431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20447573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = startLoc.getFileLocWithOffset(1); 2045d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n"); 20467573098b83e780d1c5bea13b384b610d8f155676Steve Naroff endLoc = endLoc.getFileLocWithOffset(-1); 2047d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n"); 20481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20497573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Set lastCurlyLoc 20507573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = body->getLocEnd(); 20511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20528c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff // Now check for any return/continue/go statements within the @try. 2053b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff WarnAboutReturnGotoStmts(S->getTryBody()); 2054378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff } else { /* no finally clause - make sure we synthesize an implicit one */ 2055378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf = "{ /* implicit finally clause */\n"; 2056378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 2057378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; 2058378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "}"; 2059d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 2060b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 2061b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Now check for any return/continue/go statements within the @try. 2062b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // The implicit finally clause won't called if the @try contains any 2063b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // jump statements. 2064b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff bool hasReturns = false; 2065b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(S->getTryBody(), hasReturns); 2066b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (hasReturns) 2067b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteTryReturnStmts(S->getTryBody()); 20687573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 20697573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Now emit the final closing curly brace... 20707573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = lastCurlyLoc.getFileLocWithOffset(1); 2071d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(lastCurlyLoc, " } /* @try scope end */\n"); 2072909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian return 0; 2073909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian} 2074909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian 20751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// This can't be done with ReplaceStmt(S, ThrowExpr), since 20761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// the throw expression is typically a message expression that's already 20772bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff// been rewritten! (which implies the SourceLocation's are invalid). 2078b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 20792bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff // Get the start location and compute the semi location. 20802bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff SourceLocation startLoc = S->getLocStart(); 20812bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff const char *startBuf = SM->getCharacterData(startLoc); 20821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20832bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff assert((*startBuf == '@') && "bogus @throw location"); 20842bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff 20852bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff std::string buf; 20862bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff /* void objc_exception_throw(id) __attribute__((noreturn)); */ 208720ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (S->getThrowExpr()) 208820ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff buf = "objc_exception_throw("; 208920ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff else // add an implicit argument 209020ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff buf = "objc_exception_throw(_caught"; 20911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20924ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff // handle "@ throw" correctly. 20934ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff const char *wBuf = strchr(startBuf, 'w'); 20944ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff assert((*wBuf == 'w') && "@throw: can't find 'w'"); 2095d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, wBuf-startBuf+1, buf); 20961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20972bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff const char *semiBuf = strchr(startBuf, ';'); 20982bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff assert((*semiBuf == ';') && "@throw: can't find ';'"); 20992bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff SourceLocation semiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf); 2100d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(semiLoc, 1, ");"); 21012bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff return 0; 21022bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff} 2103909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian 2104b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 210501c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner // Create a new string expression. 210601c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner QualType StrType = Context->getPointerType(Context->CharTy); 210785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson std::string StrEncoding; 21080d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 21092085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner Expr *Replacement = StringLiteral::Create(*Context,StrEncoding.c_str(), 21102085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner StrEncoding.length(), false,StrType, 21112085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner SourceLocation()); 2112dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, Replacement); 21131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21140750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner // Replace this subexpr in the parent. 2115f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 2116e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner return Replacement; 2117311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner} 2118311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner 2119b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 21201a9376408941d65c285ddad8a0f1a2ac518df344Steve Naroff if (!SelGetUidFunctionDecl) 21211a9376408941d65c285ddad8a0f1a2ac518df344Steve Naroff SynthSelGetUidFunctionDecl(); 2122b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 2123b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff // Create a call to sel_registerName("selName"). 2124b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff llvm::SmallVector<Expr*, 8> SelExprs; 2125b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff QualType argType = Context->getPointerType(Context->CharTy); 21261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SelExprs.push_back(StringLiteral::Create(*Context, 21276e94ef5696cfb005d3fc7bbac8dcf7690b64f0a5Ted Kremenek Exp->getSelector().getAsString().c_str(), 2128077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Exp->getSelector().getAsString().size(), 2129726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner false, argType, SourceLocation())); 2130b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 2131b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff &SelExprs[0], SelExprs.size()); 2132dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, SelExp); 2133f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 2134b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff return SelExp; 2135b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff} 2136b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff 2137b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffCallExpr *RewriteObjC::SynthesizeCallToFunctionDecl( 21381d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 21391d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc) { 2140ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Get the type, we will need to reference it in a couple spots. 2141934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff QualType msgSendType = FD->getType(); 21421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2143ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Create a reference to the objc_msgSend() declaration. 2144f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = 2145f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Context) DeclRefExpr(FD, msgSendType, VK_LValue, SourceLocation()); 21461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2147ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Now, we cast the reference to a pointer to the objc_msgSend type. 2148f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner QualType pToFunc = Context->getPointerType(msgSendType); 214988465d3e996e627bbaa11099b039ddab66d5af2cAnders Carlsson ImplicitCastExpr *ICE = 2150a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall ImplicitCastExpr::Create(*Context, pToFunc, CK_FunctionToPointerDecay, 21515baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall DRE, 0, VK_RValue); 21521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2153183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = msgSendType->getAs<FunctionType>(); 21541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21551d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian CallExpr *Exp = 21565291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor new (Context) CallExpr(*Context, ICE, args, nargs, 2157f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FT->getCallResultType(*Context), 2158f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, EndLoc); 21591d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian return Exp; 2160934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff} 2161934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff 2162d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroffstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 2163d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *&startRef, const char *&endRef) { 2164d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff while (startBuf < endBuf) { 2165d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (*startBuf == '<') 2166d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startRef = startBuf; // mark the start. 2167d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (*startBuf == '>') { 216832174826f58d38c20f376fe64ceac4a278133883Steve Naroff if (startRef && *startRef == '<') { 216932174826f58d38c20f376fe64ceac4a278133883Steve Naroff endRef = startBuf; // mark the end. 217032174826f58d38c20f376fe64ceac4a278133883Steve Naroff return true; 217132174826f58d38c20f376fe64ceac4a278133883Steve Naroff } 217232174826f58d38c20f376fe64ceac4a278133883Steve Naroff return false; 2173d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2174d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startBuf++; 2175d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2176d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff return false; 2177d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff} 2178d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff 217961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 218061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian int angle = 0; 218161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 218261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (*argRef == '<') 218361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian angle++; 218461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else if (*argRef == '>') 218561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian angle--; 218661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian argRef++; 218761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 218861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 218961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian} 2190291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian 2191b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffbool RewriteObjC::needToScanForQualifiers(QualType T) { 219232132a08c0aecc316728d81e1d93726707fde14bFariborz Jahanian if (T->isObjCQualifiedIdType()) 219332132a08c0aecc316728d81e1d93726707fde14bFariborz Jahanian return true; 219484aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 219584aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 219684aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return true; 219784aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian } 219884aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (T->isObjCObjectPointerType()) { 219984aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian T = T->getPointeeType(); 220084aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 220184aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian } 220224f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian if (T->isArrayType()) { 220324f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 220424f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian return needToScanForQualifiers(ElemTy); 220524f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian } 220684aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return false; 2207d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff} 2208d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff 22094f95b750534f2111f28434b282bcbd5656002816Steve Naroffvoid RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 22104f95b750534f2111f28434b282bcbd5656002816Steve Naroff QualType Type = E->getType(); 22114f95b750534f2111f28434b282bcbd5656002816Steve Naroff if (needToScanForQualifiers(Type)) { 2212cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff SourceLocation Loc, EndLoc; 22131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2214cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 2215cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff Loc = ECE->getLParenLoc(); 2216cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff EndLoc = ECE->getRParenLoc(); 2217cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff } else { 2218cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff Loc = E->getLocStart(); 2219cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff EndLoc = E->getLocEnd(); 2220cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff } 2221cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff // This will defend against trying to rewrite synthesized expressions. 2222cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff if (Loc.isInvalid() || EndLoc.isInvalid()) 2223cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff return; 2224cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff 22254f95b750534f2111f28434b282bcbd5656002816Steve Naroff const char *startBuf = SM->getCharacterData(Loc); 2226cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff const char *endBuf = SM->getCharacterData(EndLoc); 22274f95b750534f2111f28434b282bcbd5656002816Steve Naroff const char *startRef = 0, *endRef = 0; 22284f95b750534f2111f28434b282bcbd5656002816Steve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 22294f95b750534f2111f28434b282bcbd5656002816Steve Naroff // Get the locations of the startRef, endRef. 22304f95b750534f2111f28434b282bcbd5656002816Steve Naroff SourceLocation LessLoc = Loc.getFileLocWithOffset(startRef-startBuf); 22314f95b750534f2111f28434b282bcbd5656002816Steve Naroff SourceLocation GreaterLoc = Loc.getFileLocWithOffset(endRef-startBuf+1); 22324f95b750534f2111f28434b282bcbd5656002816Steve Naroff // Comment out the protocol references. 2233d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2234d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 22354f95b750534f2111f28434b282bcbd5656002816Steve Naroff } 22364f95b750534f2111f28434b282bcbd5656002816Steve Naroff } 22374f95b750534f2111f28434b282bcbd5656002816Steve Naroff} 22384f95b750534f2111f28434b282bcbd5656002816Steve Naroff 2239b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 224061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian SourceLocation Loc; 224161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian QualType Type; 224272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = 0; 224361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 224461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Loc = VD->getLocation(); 224561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Type = VD->getType(); 224661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 224761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 224861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Loc = FD->getLocation(); 224961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 225061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 2251183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 225261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian assert(funcType && "missing function type"); 225372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor proto = dyn_cast<FunctionProtoType>(funcType); 225461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (!proto) 225561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian return; 225661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Type = proto->getResultType(); 225761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 22583d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 22593d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff Loc = FD->getLocation(); 22603d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff Type = FD->getType(); 22613d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } 226261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else 2263e66894c3dea9aeab4403e67bf5baabc20da61cb3Fariborz Jahanian return; 22641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 226561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (needToScanForQualifiers(Type)) { 2266d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Since types are unique, we need to scan the buffer. 22671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2268d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *endBuf = SM->getCharacterData(Loc); 2269d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startBuf = endBuf; 22706cafbf2a678c95d4cdc09ecaa782319bbcf56944Steve Naroff while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 2271d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startBuf--; // scan backward (from the decl location) for return type. 2272d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startRef = 0, *endRef = 0; 2273d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 2274d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Get the locations of the startRef, endRef. 2275d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff SourceLocation LessLoc = Loc.getFileLocWithOffset(startRef-endBuf); 2276d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff SourceLocation GreaterLoc = Loc.getFileLocWithOffset(endRef-endBuf+1); 2277d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Comment out the protocol references. 2278d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2279d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 2280d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2281d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 228261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (!proto) 228361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian return; // most likely, was a variable 22849165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff // Now check arguments. 228561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 228661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian const char *startFuncBuf = startBuf; 22879165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff for (unsigned i = 0; i < proto->getNumArgs(); i++) { 2288d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (needToScanForQualifiers(proto->getArgType(i))) { 2289d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Since types are unique, we need to scan the buffer. 22901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2291d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *endBuf = startBuf; 229261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // scan forward (from the decl location) for argument types. 229361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian scanToNextArgument(endBuf); 2294d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startRef = 0, *endRef = 0; 2295d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 2296d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Get the locations of the startRef, endRef. 22971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LessLoc = 2298291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian Loc.getFileLocWithOffset(startRef-startFuncBuf); 22991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation GreaterLoc = 2300291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian Loc.getFileLocWithOffset(endRef-startFuncBuf+1); 2301d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Comment out the protocol references. 2302d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2303d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 2304d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 230561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf = ++endBuf; 230661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 230761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else { 2308aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff // If the function name is derived from a macro expansion, then the 2309aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff // argument buffer will not follow the name. Need to speak with Chris. 2310aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff while (*startBuf && *startBuf != ')' && *startBuf != ',') 231161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 231261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf++; 231361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 23149165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff } 23159165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff} 23169165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff 23174c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanianvoid RewriteObjC::RewriteTypeOfDecl(VarDecl *ND) { 23184c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian QualType QT = ND->getType(); 23194c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 23204c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 23214c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian return; 23224c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 23234c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 23244c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 23254c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian TypePtr = QT->getAs<Type>(); 23264c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 23274c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 23284c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian // __typeof__(a) b,c,d; 2329fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeAsString(QT.getAsString(Context->PrintingPolicy)); 23304c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 23314c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 23324c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (ND->getInit()) { 23334c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian std::string Name(ND->getNameAsString()); 23344c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian TypeAsString += " " + Name + " = "; 23354c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian Expr *E = ND->getInit(); 23364c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation startLoc; 23374c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 23384c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = ECE->getLParenLoc(); 23394c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else 23404c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = E->getLocStart(); 23414c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = SM->getInstantiationLoc(startLoc); 23424c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 2343d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 23444c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 23454c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else { 23464c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation X = ND->getLocEnd(); 23474c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian X = SM->getInstantiationLoc(X); 23484c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *endBuf = SM->getCharacterData(X); 2349d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 23504c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 23514c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian} 23524c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian 2353a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 2354b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthSelGetUidFunctionDecl() { 2355a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 2356a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 23570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2358e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getFuncType = 2359e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall getSimpleFunctionType(Context->getObjCSelType(), &ArgTys[0], ArgTys.size()); 2360ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 23611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2362a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis SelGetUidIdent, getFuncType, 0, 2363d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2364d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2365a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian} 2366a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian 2367b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteFunctionDecl(FunctionDecl *FD) { 236809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff // declared in <objc/objc.h> 236951efe56116a6283ba707cfb8bf8b4e0b13cb41acDouglas Gregor if (FD->getIdentifier() && 23704087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD->getName() == "sel_registerName") { 237109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SelGetUidFunctionDecl = FD; 23729165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff return; 23739165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff } 2374a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCQualifiedInterfaceTypes(FD); 237509b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 237609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2377fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbarvoid RewriteObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 2378fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeString(Type.getAsString(Context->PrintingPolicy)); 237952b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian const char *argPtr = TypeString.c_str(); 238052b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian if (!strchr(argPtr, '^')) { 238152b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian Str += TypeString; 238252b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian return; 238352b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian } 238452b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian while (*argPtr) { 238552b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 238652b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian argPtr++; 238752b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian } 238852b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian} 238952b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian 2390e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 2391fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbarvoid RewriteObjC::RewriteBlockPointerTypeVariable(std::string& Str, 2392fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ValueDecl *VD) { 2393e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian QualType Type = VD->getType(); 2394fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeString(Type.getAsString(Context->PrintingPolicy)); 2395e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian const char *argPtr = TypeString.c_str(); 2396e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian int paren = 0; 2397e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian while (*argPtr) { 2398e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian switch (*argPtr) { 2399e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case '(': 2400e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2401e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian paren++; 2402e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2403e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case ')': 2404e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2405e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian paren--; 2406e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2407e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case '^': 2408e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += '*'; 2409e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian if (paren == 1) 2410e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += VD->getNameAsString(); 2411e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2412e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian default: 2413e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2414e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2415e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 2416e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian argPtr++; 2417e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 2418e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian} 2419e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian 2420e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian 2421abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanianvoid RewriteObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 2422abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 2423abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 2424abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 2425abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (!proto) 2426abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian return; 2427abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian QualType Type = proto->getResultType(); 2428fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string FdStr = Type.getAsString(Context->PrintingPolicy); 2429abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += " "; 24304087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FdStr += FD->getName(); 2431abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += "("; 2432abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 2433abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 2434abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian QualType ArgType = proto->getArgType(i); 243552b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 2436abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (i+1 < numArgs) 2437abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += ", "; 2438abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian } 2439abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += ");\n"; 2440d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, FdStr); 2441abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 2442abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian} 2443abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian 2444c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 2445b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthSuperContructorFunctionDecl() { 2446c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff if (SuperContructorFunctionDecl) 2447c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff return; 244846a98a7df016b4a6835a1902c2f8ff2a3a8012baSteve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 2449c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2450c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff QualType argT = Context->getObjCIdType(); 2451c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff assert(!argT.isNull() && "Can't find 'id' type"); 2452c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff ArgTys.push_back(argT); 2453c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff ArgTys.push_back(argT); 2454e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2455e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2456ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2458a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2459d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2460d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2461c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff} 2462c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff 246309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 2464b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendFunctionDecl() { 246509b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 246609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2467a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 246809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff assert(!argT.isNull() && "Can't find 'id' type"); 246909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff ArgTys.push_back(argT); 2470a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 247109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff assert(!argT.isNull() && "Can't find 'SEL' type"); 247209b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff ArgTys.push_back(argT); 2473e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2474e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2475e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2476ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24770ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2478a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2479d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2480d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 248109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 248209b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2483874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 2484b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendSuperFunctionDecl() { 2485874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 2486874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2487465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 24880ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2489df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 2490874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 2491874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 2492874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff ArgTys.push_back(argT); 2493a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 2494874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff assert(!argT.isNull() && "Can't find 'SEL' type"); 2495874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff ArgTys.push_back(argT); 2496e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2497e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2498e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2499ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2501a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2502d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2503d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2504874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff} 2505874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff 250680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 2507b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendStretFunctionDecl() { 250880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 250980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2510a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 251180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 251280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2513a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 251480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 251580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2516e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2517e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2518e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2519ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2521a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2522d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2523d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 252480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian} 252580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian 25261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// SynthMsgSendSuperStretFunctionDecl - 252780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 2528b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendSuperStretFunctionDecl() { 25291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IdentifierInfo *msgSendIdent = 253080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 253180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2532465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 25330ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2534df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 253580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 253680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 253780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2538a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 253980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 254080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2541e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->getObjCIdType(), 2542e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2543e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2544ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2546a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2547d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2548d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 254980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian} 255080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian 25511284db8d85782c4eb1d41eb02358613c8681f07fSteve Naroff// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 2552b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendFpretFunctionDecl() { 2553acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 2554acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2555a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 2556acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 2557acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian ArgTys.push_back(argT); 2558a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 2559acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 2560acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian ArgTys.push_back(argT); 2561e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType msgSendType = getSimpleFunctionType(Context->DoubleTy, 2562e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size(), 2563e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall true /*isVariadic*/); 2564ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2566a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2567d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2568d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2569acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian} 2570acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian 257109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 2572b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthGetClassFunctionDecl() { 257309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 257409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 25750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2576e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 2577e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2578ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2580a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis getClassIdent, getClassType, 0, 2581d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2582d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 258309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 258409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2585d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 2586d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanianvoid RewriteObjC::SynthGetSuperClassFunctionDecl() { 2587d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 2588d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 2589d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2590d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 2591e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getClassType = getSimpleFunctionType(Context->getObjCClassType(), 2592e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2593d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 259416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor SourceLocation(), 259516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor getSuperClassIdent, 259616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor getClassType, 0, 2597d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2598d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, 259916573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 2600d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian} 2601d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian 26029bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff// SynthGetMetaClassFunctionDecl - id objc_getClass(const char *name); 2603b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthGetMetaClassFunctionDecl() { 26049bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 26059bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 26060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2607e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType getClassType = getSimpleFunctionType(Context->getObjCIdType(), 2608e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall &ArgTys[0], ArgTys.size()); 2609ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 26101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2611a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis getClassIdent, getClassType, 0, 2612d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2613d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 26149bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff} 26159bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff 2616b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 2617d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType strType = getConstantStringStructType(); 2618d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 2619d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff std::string S = "__NSConstantStringImpl_"; 26207691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff 26217691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff std::string tmpName = InFileName; 26227691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff unsigned i; 26237691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff for (i=0; i < tmpName.length(); i++) { 26247691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff char c = tmpName.at(i); 26257691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff // replace any non alphanumeric characters with '_'. 26267691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff if (!isalpha(c) && (c < '0' || c > '9')) 26277691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff tmpName[i] = '_'; 26287691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff } 26297691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff S += tmpName; 26307691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff S += "_"; 2631d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff S += utostr(NumObjCStringLiterals++); 2632d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 2633ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "static __NSConstantStringImpl " + S; 2634ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 2635ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "0x000007c8,"; // utf8_str 2636d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // The pretty printer for StringLiteral handles escape characters properly. 2637a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek std::string prettyBufS; 2638a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek llvm::raw_string_ostream prettyBuf(prettyBufS); 2639e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner Exp->getString()->printPretty(prettyBuf, *Context, 0, 2640e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner PrintingPolicy(LangOpts)); 2641ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += prettyBuf.str(); 2642ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += ","; 2643fd5b76fe99a123630321b45667a78f1a15be7241Steve Naroff Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 26441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 2646d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer &Context->Idents.get(S), strType, 0, 2647d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Static, SC_None); 2648f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, strType, VK_LValue, 2649f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 26502de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 26511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(DRE->getType()), 2652f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 2653f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 26549698464266660346fa2da1bddc3e6404a9819b25Steve Naroff // cast to NSConstantString * 26559d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 2656a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Unop); 2657dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, cast); 2658f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 26599698464266660346fa2da1bddc3e6404a9819b25Steve Naroff return cast; 2660beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff} 2661beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff 2662874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 2663b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffQualType RewriteObjC::getSuperStructType() { 2664874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff if (!SuperStructDecl) { 2665465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 26661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2667df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 2668874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType FieldTypes[2]; 26691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2670874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // struct objc_object *receiver; 26711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[0] = Context->getObjCIdType(); 2672874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // struct objc_class *super; 26731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[1] = Context->getObjCClassType(); 267444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2675874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // Create fields 267644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 2; ++i) { 26771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 26781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2679a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], 0, 2680a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis /*BitWidth=*/0, 26814afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false)); 268244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 26831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2684838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor SuperStructDecl->completeDefinition(); 2685874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } 2686874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff return Context->getTagDeclType(SuperStructDecl); 2687874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff} 2688874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff 2689b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffQualType RewriteObjC::getConstantStringStructType() { 2690d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff if (!ConstantStringDecl) { 2691465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 26921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2693df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("__NSConstantStringImpl")); 2694d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType FieldTypes[4]; 26951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2696d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // struct objc_object *receiver; 26971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[0] = Context->getObjCIdType(); 2698d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // int flags; 26991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[1] = Context->IntTy; 2700d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // char *str; 27011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[2] = Context->getPointerType(Context->CharTy); 2702d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // long length; 27031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = Context->LongTy; 270444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2705d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // Create fields 270644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 27071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 27081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantStringDecl, 270944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2710a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], 0, 271144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /*BitWidth=*/0, 27124afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/true)); 271344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 271444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2715838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ConstantStringDecl->completeDefinition(); 2716d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff } 2717d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff return Context->getTagDeclType(ConstantStringDecl); 2718d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff} 2719d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 27201d35b168348a308696d1fce29a18c14143f61d6aFariborz JahanianStmt *RewriteObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 27211d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc, 27221d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc) { 2723a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian if (!SelGetUidFunctionDecl) 2724a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian SynthSelGetUidFunctionDecl(); 272509b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff if (!MsgSendFunctionDecl) 272609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SynthMsgSendFunctionDecl(); 2727874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff if (!MsgSendSuperFunctionDecl) 2728874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff SynthMsgSendSuperFunctionDecl(); 272980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (!MsgSendStretFunctionDecl) 273080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SynthMsgSendStretFunctionDecl(); 273180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 273280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 2733acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 2734acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 273509b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff if (!GetClassFunctionDecl) 273609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SynthGetClassFunctionDecl(); 2737d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian if (!GetSuperClassFunctionDecl) 2738d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 27399bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff if (!GetMetaClassFunctionDecl) 27409bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff SynthGetMetaClassFunctionDecl(); 27411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2742874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // default to objc_msgSend(). 274380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 274480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // May need to use objc_msgSend_stret() as well. 274580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 2746621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 2747621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QualType resultType = mDecl->getResultType(); 2748fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor if (resultType->isRecordType()) 274980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 27508b51fd76319d8b71f401cc6ad56e6f4f7be77958Chris Lattner else if (resultType->isRealFloatingType()) 2751acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 275280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian } 27531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2754934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Synthesize a call to objc_msgSend(). 2755934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff llvm::SmallVector<Expr*, 8> MsgExprs; 275604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor switch (Exp->getReceiverKind()) { 275704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperClass: { 275804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendFlavor = MsgSendSuperFunctionDecl; 275904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (MsgSendStretFlavor) 276004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 276104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 276204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 276304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 276404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 276504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 4> InitExprs; 276604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 276704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // set the receiver to self, the first argument to all methods. 276804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 276904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2770a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 277104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2772f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getObjCIdType(), 2773f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, 2774f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation())) 277504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ); // set the 'receiver'. 277604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 277704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 277804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 277904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 278004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 278104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getNameStart(), 278204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getLength(), 278304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor false, argType, SourceLocation())); 278404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 278504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 278604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 278704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, 278804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor EndLoc); 278904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (Class)objc_getClass("CurrentClass") 279004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 279104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCClassType(), 2792a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls); 279304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.clear(); 279404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(ArgExpr); 279504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 279604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], ClsExprs.size(), 279704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 279804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 279904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 280004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // To turn off a warning, type-cast to 'id' 280104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( // set 'super class', using class_getSuperclass(). 280204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, 280304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCIdType(), 2804a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls)); 280504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super 280604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType superType = getSuperStructType(); 280704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *SuperRep; 280804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 280904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (LangOpts.Microsoft) { 281004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SynthSuperContructorFunctionDecl(); 281104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Simulate a contructor call... 281204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2813f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2814f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 281504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 281604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.size(), 2817f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2818f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 281904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // The code for super is a little tricky to prevent collision with 282004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // the structure definition in the header. The rewriter has it's own 282104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // internal definition (__rw_objc_super) that is uses. This is why 282204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // we need the cast below. For example: 282304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 282404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // 28252de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 282604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 2827f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 2828f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 282904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = NoTypeInfoCStyleCastExpr(Context, 283004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(superType), 2831a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, SuperRep); 28329bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff } else { 283304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super) { <exprs from above> } 283404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitListExpr *ILE = 283504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) InitListExpr(*Context, SourceLocation(), 283604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &InitExprs[0], InitExprs.size(), 283704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 283804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *superTInfo 283904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = Context->getTrivialTypeSourceInfo(superType); 284004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 2841f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2842f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall ILE, false); 284304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super * 28442de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 284504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 2846f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 2847f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 28489bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff } 284904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(SuperRep); 285004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 285104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 285204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 285304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Class: { 285404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 285504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 285604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *Class 2857506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 285804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor IdentifierInfo *clsName = Class->getIdentifier(); 285904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 286004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor clsName->getNameStart(), 286104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor clsName->getLength(), 286204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor false, argType, 286304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation())); 286404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 286504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 286604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 286704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 286804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(Cls); 286904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 287004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 287104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 287204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperInstance:{ 287304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendFlavor = MsgSendSuperFunctionDecl; 287404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (MsgSendStretFlavor) 287504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 287604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 287704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 287804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 4> InitExprs; 287904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 288004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 288104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2882a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 288304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 2884f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getObjCIdType(), 2885f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, SourceLocation())) 288604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ); // set the 'receiver'. 288704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 288804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 288904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 289004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 289104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 289204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getNameStart(), 289304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getLength(), 289404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor false, argType, SourceLocation())); 289504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 289604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 289704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 289804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 289904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (Class)objc_getClass("CurrentClass") 290004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 290104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCClassType(), 2902a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls); 290304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.clear(); 290404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(ArgExpr); 290504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 290604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], ClsExprs.size(), 290704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 290804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 290904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 291004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // To turn off a warning, type-cast to 'id' 291104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 291204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // set 'super class', using class_getSuperclass(). 291304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2914a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Cls)); 291504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super 291604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType superType = getSuperStructType(); 291704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *SuperRep; 291804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 291904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (LangOpts.Microsoft) { 292004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SynthSuperContructorFunctionDecl(); 292104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Simulate a contructor call... 292204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 2923f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, 2924f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 292504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 292604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.size(), 2927f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_LValue, SourceLocation()); 292804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // The code for super is a little tricky to prevent collision with 292904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // the structure definition in the header. The rewriter has it's own 293004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // internal definition (__rw_objc_super) that is uses. This is why 293104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // we need the cast below. For example: 293204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 293304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // 29342de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 293504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 2936f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 293704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 293804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = NoTypeInfoCStyleCastExpr(Context, 293904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(superType), 2940a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, SuperRep); 2941874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } else { 294204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super) { <exprs from above> } 294304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitListExpr *ILE = 294404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) InitListExpr(*Context, SourceLocation(), 294504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &InitExprs[0], InitExprs.size(), 294604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 294704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *superTInfo 294804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = Context->getTrivialTypeSourceInfo(superType); 294904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 2950f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall superType, VK_RValue, ILE, 2951f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall false); 2952874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } 295304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(SuperRep); 295404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 29556568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff } 295604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 295704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Instance: { 295804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Remove all type-casts because it may contain objc-style types; e.g. 295904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Foo<Proto> *. 296004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *recExpr = Exp->getInstanceReceiver(); 296104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 296204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor recExpr = CE->getSubExpr(); 296304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 2964a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, recExpr); 296504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(recExpr); 296604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 296704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 296804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 296904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 2970beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // Create a call to sel_registerName("selName"), it will be the 2nd argument. 2971934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff llvm::SmallVector<Expr*, 8> SelExprs; 2972934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff QualType argType = Context->getPointerType(Context->CharTy); 29731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SelExprs.push_back(StringLiteral::Create(*Context, 29746e94ef5696cfb005d3fc7bbac8dcf7690b64f0a5Ted Kremenek Exp->getSelector().getAsString().c_str(), 2975077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Exp->getSelector().getAsString().size(), 2976726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner false, argType, SourceLocation())); 2977934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 29781d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian &SelExprs[0], SelExprs.size(), 29791d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian StartLoc, 29801d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian EndLoc); 2981934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff MsgExprs.push_back(SelExp); 29821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2983934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Now push any user supplied arguments. 2984934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 29856568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff Expr *userExpr = Exp->getArg(i); 29867e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff // Make all implicit casts explicit...ICE comes in handy:-) 29877e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 29887e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff // Reuse the ICE type, it is exactly what the doctor ordered. 298949badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor QualType type = ICE->getType()->isObjCQualifiedIdType() 2990a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ? Context->getObjCIdType() 299149badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor : ICE->getType(); 29921f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 29934fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 2994a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK_BitCast, 29959d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall userExpr); 2996d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian } 2997d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 29986eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 2999a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (CE->getType()->isObjCQualifiedIdType()) { 30006eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 3001d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian userExpr = CE->getSubExpr(); 30029d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 3003a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, userExpr); 3004d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian } 30051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 30066568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff MsgExprs.push_back(userExpr); 3007621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // We've transferred the ownership to MsgExprs. For now, we *don't* null 3008621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // out the argument in the original expression (since we aren't deleting 3009f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // the ObjCMessageExpr). See RewritePropertyOrImplicitSetter() usage for more info. 3010621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff //Exp->setArg(i, 0); 3011934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 3012ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Generate the funky cast. 3013ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff CastExpr *cast; 3014ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff llvm::SmallVector<QualType, 8> ArgTypes; 3015ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff QualType returnType; 30161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3017ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Push 'id' and 'SEL', the 2 implicit arguments. 3018c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff if (MsgSendFlavor == MsgSendSuperFunctionDecl) 3019c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 3020c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff else 3021a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ArgTypes.push_back(Context->getObjCIdType()); 3022a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ArgTypes.push_back(Context->getObjCSelType()); 302389951a86b594513c2a013532ed45d197413b1087Chris Lattner if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 3024ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Push any user argument types. 302589951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 302689951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) { 302789951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType t = (*PI)->getType()->isObjCQualifiedIdType() 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ? Context->getObjCIdType() 302989951a86b594513c2a013532ed45d197413b1087Chris Lattner : (*PI)->getType(); 3030a206b0614a392cfef19aaaa894f9d3c756006421Steve Naroff // Make sure we convert "t (^)(...)" to "t (*)(...)". 30314fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 3032352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff ArgTypes.push_back(t); 3033352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff } 303489951a86b594513c2a013532ed45d197413b1087Chris Lattner returnType = OMD->getResultType()->isObjCQualifiedIdType() 303589951a86b594513c2a013532ed45d197413b1087Chris Lattner ? Context->getObjCIdType() : OMD->getResultType(); 30364fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 3037ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff } else { 3038a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek returnType = Context->getObjCIdType(); 3039ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff } 3040ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Get the type, we will need to reference it in a couple spots. 3041874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType msgSendType = MsgSendFlavor->getType(); 30421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3043ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Create a reference to the objc_msgSend() declaration. 30441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, msgSendType, 3045f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, SourceLocation()); 3046ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff 30471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 3048ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // If we don't do this cast, we get the following bizarre warning/note: 3049ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // xx.m:13: warning: function called through a non-compatible type 3050ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // xx.m:13: note: if this code is reached, the program will abort 30519d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast = NoTypeInfoCStyleCastExpr(Context, 30529d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Context->getPointerType(Context->VoidTy), 3053a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, DRE); 30541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3055ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Now do the "normal" pointer to function cast. 3056e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType castType = 3057e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 3058e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall // If we don't have a method decl, force a variadic cast. 3059e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true); 3060ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff castType = Context->getPointerType(castType); 3061a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 30629d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast); 3063ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff 3064ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Don't forget the parens to enforce the proper binding. 30651d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 30661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3067183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = msgSendType->getAs<FunctionType>(); 3068668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 30691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MsgExprs.size(), 3070f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FT->getResultType(), VK_RValue, 3071f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall EndLoc); 307233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian Stmt *ReplacingStmt = CE; 307380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (MsgSendStretFlavor) { 307480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // We have the method which returns a struct/union. Must also generate 307580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 307680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // expression which dictate which one to envoke depending on size of 307780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // method's return type. 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 30801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, msgSendType, 3081f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, SourceLocation()); 308280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 30839d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast = NoTypeInfoCStyleCastExpr(Context, 30849d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Context->getPointerType(Context->VoidTy), 3085a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, STDRE); 308680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Now do the "normal" pointer to function cast. 3087e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall castType = getSimpleFunctionType(returnType, &ArgTypes[0], ArgTypes.size(), 3088e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false); 308980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian castType = Context->getPointerType(castType); 3090a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_BitCast, 30919d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast); 30921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 309380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Don't forget the parens to enforce the proper binding. 30948189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3096183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FT = msgSendType->getAs<FunctionType>(); 3097668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 30981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MsgExprs.size(), 3099f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FT->getResultType(), VK_RValue, 3100f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 31011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Build sizeof(returnType) 31031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SizeOfAlignOfExpr *sizeofExpr = new (Context) SizeOfAlignOfExpr(true, 3104a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Context->getTrivialTypeSourceInfo(returnType), 31050518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl Context->getSizeType(), 31060518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation(), SourceLocation()); 310780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 310880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 310980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 311080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // is needed to decide what to do. 31111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned IntSize = 311298be4943e8dc4f3905629a7102668960873cf863Chris Lattner static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 31139996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IntegerLiteral *limit = IntegerLiteral::Create(*Context, 31149996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt(IntSize, 8), 31159996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Context->IntTy, 31169996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis SourceLocation()); 3117f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall BinaryOperator *lessThanExpr = 3118f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Context) BinaryOperator(sizeofExpr, limit, BO_LE, Context->IntTy, 3119f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 312080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 31211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConditionalOperator *CondExpr = 312247e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor new (Context) ConditionalOperator(lessThanExpr, 312347e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation(), CE, 3124f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian SourceLocation(), STCE, (Expr*)0, 31250943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall returnType, VK_RValue, OK_Ordinary); 3126f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 3127f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian CondExpr); 312880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian } 3129f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 313033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return ReplacingStmt; 313133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian} 313233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian 3133b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 31341d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 31351d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Exp->getLocEnd()); 31361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3137934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Now do the actual rewrite. 3138dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, ReplacingStmt); 31391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3140f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 314133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return ReplacingStmt; 3142ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff} 3143ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff 3144621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// typedef struct objc_object Protocol; 3145621edce9cd7d4e06979daf911cc306350619f33bSteve NaroffQualType RewriteObjC::getProtocolType() { 3146621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!ProtocolTypeDecl) { 3147a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo 3148a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 3149621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 31501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 3151621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff &Context->Idents.get("Protocol"), 3152a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo); 3153621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3154621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return Context->getTypeDeclType(ProtocolTypeDecl); 3155621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff} 3156621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 315736ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 3158621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// a synthesized/forward data reference (to the protocol's metadata). 3159621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// The forward references (and metadata) are generated in 3160621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// RewriteObjC::HandleTranslationUnit(). 3161b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 3162621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString(); 3163621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff IdentifierInfo *ID = &Context->Idents.get(Name); 31641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 316516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor ID, getProtocolType(), 0, 3166d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, SC_None); 3167f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, getProtocolType(), VK_LValue, 3168f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 31692de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 3170621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getPointerType(DRE->getType()), 3171f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 31729d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 3173a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 31749d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall DerefExpr); 3175621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ReplaceStmt(Exp, castExpr); 3176621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolExprDecls.insert(Exp->getProtocol()); 3177f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // delete Exp; leak for now, see RewritePropertyOrImplicitSetter() usage for more info. 3178621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return castExpr; 31791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318036ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian} 318136ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian 31821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool RewriteObjC::BufferContainsPPDirectives(const char *startBuf, 3183baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff const char *endBuf) { 3184baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff while (startBuf < endBuf) { 3185baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (*startBuf == '#') { 3186baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // Skip whitespace. 3187baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 3188baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff ; 3189baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (!strncmp(startBuf, "if", strlen("if")) || 3190baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "ifdef", strlen("ifdef")) || 3191baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "ifndef", strlen("ifndef")) || 3192baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "define", strlen("define")) || 3193baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "undef", strlen("undef")) || 3194baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "else", strlen("else")) || 3195baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "elif", strlen("elif")) || 3196baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "endif", strlen("endif")) || 3197baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "pragma", strlen("pragma")) || 3198baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "include", strlen("include")) || 3199baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "import", strlen("import")) || 3200baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "include_next", strlen("include_next"))) 3201baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff return true; 3202baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3203baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff startBuf++; 3204baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3205baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff return false; 3206baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff} 3207baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff 3208a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// SynthesizeObjCInternalStruct - Rewrite one internal struct corresponding to 320926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// an objective-c class with ivars. 3210b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl, 321126e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result) { 3212a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 32134087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar assert(CDecl->getName() != "" && 32142e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor "Name missing in SynthesizeObjCInternalStruct"); 3215212b768a4b39479bc8cce1268a95a1adbd825542Fariborz Jahanian // Do not synthesize more than once. 3216a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCSynthesizedStructs.count(CDecl)) 3217212b768a4b39479bc8cce1268a95a1adbd825542Fariborz Jahanian return; 3218a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3219f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner int NumIvars = CDecl->ivar_size(); 32202c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 32212c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian SourceLocation LocEnd = CDecl->getLocEnd(); 32221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32232c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 32242c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 32251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3226aff56d0bffdad7ed75db938d5e61e1ce3d5cd195Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 3227f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3228f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner if ((CDecl->isForwardDecl() || NumIvars == 0) && 3229f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 32302c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3231d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, Result); 323226e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian return; 32332c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian } 32341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This has potential of causing problem. If 3236a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // SynthesizeObjCInternalStruct is ever called recursively. 3237fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result += "\nstruct "; 3238d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 323961ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff if (LangOpts.Microsoft) 324061ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff Result += "_IMPL"; 324105b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff 3242fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian if (NumIvars > 0) { 3243fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff const char *cursor = strchr(startBuf, '{'); 32441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((cursor && endBuf) 3245a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek && "SynthesizeObjCInternalStruct - malformed @interface"); 3246baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // If the buffer contains preprocessor directives, we do more fine-grained 3247baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrites. This is intended to fix code that looks like (which occurs in 3248baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // NSURL.h, for example): 3249baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // 3250baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #ifdef XYZ 3251baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @interface Foo : NSObject 3252baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #else 3253baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @interface FooBar : NSObject 3254baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #endif 3255baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // { 3256baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // int i; 3257baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // } 3258baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @end 3259baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // 3260baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // This clause is segregated to avoid breaking the common case. 3261baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (BufferContainsPPDirectives(startBuf, cursor)) { 32621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation L = RCDecl ? CDecl->getSuperClassLoc() : 3263baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff CDecl->getClassLoc(); 3264baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff const char *endHeader = SM->getCharacterData(L); 32652c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endHeader += Lexer::MeasureTokenLength(L, *SM, LangOpts); 3266baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff 3267cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 3268baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // advance to the end of the referenced protocols. 3269baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff while (endHeader < cursor && *endHeader != '>') endHeader++; 3270baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff endHeader++; 3271baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3272baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrite the original header 3273d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endHeader-startBuf, Result); 3274baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } else { 3275baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrite the original header *without* disturbing the '{' 3276d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, cursor-startBuf, Result); 3277baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3278a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3279fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result = "\n struct "; 3280d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 328139bbd9f5918950436821585afc6244b1fe2c7295Steve Naroff Result += "_IMPL "; 3282d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 3283819173c41e395744480e8f325dc5c02438420604Steve Naroff Result += "_IVARS;\n"; 32841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3285fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // insert the super class structure definition. 3286f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner SourceLocation OnePastCurly = 3287f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner LocStart.getFileLocWithOffset(cursor-startBuf+1); 3288d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(OnePastCurly, Result); 3289fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff } 3290fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff cursor++; // past '{' 32911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3292fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // Now comment out any visibility specifiers. 3293fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff while (cursor < endBuf) { 3294fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff if (*cursor == '@') { 3295fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff SourceLocation atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3296df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner // Skip whitespace. 3297df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner for (++cursor; cursor[0] == ' ' || cursor[0] == '\t'; ++cursor) 3298df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner /*scan*/; 3299df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner 3300fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian // FIXME: presence of @public, etc. inside comment results in 3301fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian // this transformation as well, which is still correct c-code. 3302fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff if (!strncmp(cursor, "public", strlen("public")) || 3303fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff !strncmp(cursor, "private", strlen("private")) || 3304c5e327712499caa2a9f3b6591490de8cb7df0b5bSteve Naroff !strncmp(cursor, "package", strlen("package")) || 33059567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian !strncmp(cursor, "protected", strlen("protected"))) 3306d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, "// "); 3307fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian } 33089567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // FIXME: If there are cases where '<' is used in ivar declaration part 33099567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // of user code, then scan the ivar list and use needToScanForQualifiers 33109567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // for type checking. 33119567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian else if (*cursor == '<') { 33129567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian SourceLocation atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3313d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, "/* "); 33149567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian cursor = strchr(cursor, '>'); 33159567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian cursor++; 33169567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3317d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, " */"); 3318ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff } else if (*cursor == '^') { // rewrite block specifier. 3319ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff SourceLocation caretLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3320d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(caretLoc, 1, "*"); 33219567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian } 3322fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff cursor++; 3323fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian } 3324fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // Don't forget to add a ';'!! 3325d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocEnd.getFileLocWithOffset(1), ";"); 3326fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff } else { // we don't have any instance variables - insert super struct. 33272c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3328fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result += " {\n struct "; 3329d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 333039bbd9f5918950436821585afc6244b1fe2c7295Steve Naroff Result += "_IMPL "; 3331d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 3332819173c41e395744480e8f325dc5c02438420604Steve Naroff Result += "_IVARS;\n};\n"; 3333d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, Result); 333426e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian } 333526e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian // Mark this struct as having been generated. 3336a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCSynthesizedStructs.insert(CDecl)) 3337fbfe82527dadb09c95609a742744d75a2322850cSteve Naroff assert(false && "struct already synthesize- SynthesizeObjCInternalStruct"); 333826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian} 333926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian 3340a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 33412e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian/// class methods. 3342653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregortemplate<typename MethodIterator> 3343653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregorvoid RewriteObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 3344653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor MethodIterator MethodEnd, 33458e991ba2e256e56959a65a049e161aa30b3c0decFariborz Jahanian bool IsInstanceMethod, 33464087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 33474087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 3348158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner std::string &Result) { 3349ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner if (MethodBegin == MethodEnd) return; 33501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3351ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner if (!objc_impl_method) { 33522e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_method { 3353e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian SEL _cmd; 3354e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian char *method_types; 3355e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian void *_imp; 3356e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 33572e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 3358158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\nstruct _objc_method {\n"; 3359158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tSEL _cmd;\n"; 3360158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tchar *method_types;\n"; 3361158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tvoid *_imp;\n"; 3362158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "};\n"; 33631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3364ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian objc_impl_method = true; 3365ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 33661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3367ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian // Build _objc_method_list for class's methods if needed 33681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3369946a693aea83123f4039012c3bca7bc70800018bSteve Naroff /* struct { 3370946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_method_list *next_method; 3371946a693aea83123f4039012c3bca7bc70800018bSteve Naroff int method_count; 3372946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_method method_list[]; 3373946a693aea83123f4039012c3bca7bc70800018bSteve Naroff } 3374946a693aea83123f4039012c3bca7bc70800018bSteve Naroff */ 3375653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 3376946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\nstatic struct {\n"; 3377946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_method_list *next_method;\n"; 3378946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tint method_count;\n"; 3379946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_method method_list["; 3380653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Result += utostr(NumMethods); 3381946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "];\n} _OBJC_"; 3382ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += prefix; 3383ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 3384ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "_METHODS_"; 3385ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += ClassName; 3386dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __"; 3387ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += IsInstanceMethod ? "inst" : "cls"; 3388ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "_meth\")))= "; 3389653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 3390ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner 3391ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t,{{(SEL)\""; 3392077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Result += (*MethodBegin)->getSelector().getAsString().c_str(); 3393ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner std::string MethodTypeString; 3394a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 3395ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\", \""; 3396ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodTypeString; 3397946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\", (void *)"; 3398ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodInternalNames[*MethodBegin]; 3399ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "}\n"; 3400ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 3401ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t ,{(SEL)\""; 3402077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Result += (*MethodBegin)->getSelector().getAsString().c_str(); 340333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian std::string MethodTypeString; 3404a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 340533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian Result += "\", \""; 340633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian Result += MethodTypeString; 3407946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\", (void *)"; 3408ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodInternalNames[*MethodBegin]; 3409b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian Result += "}\n"; 3410e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3411ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t }\n};\n"; 34122e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 34132e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3414621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 3415780f329cb011bff0da5763e2e9744eec093d0509Chris Lattnervoid RewriteObjC:: 34164087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarRewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, llvm::StringRef prefix, 34174087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, std::string &Result) { 3418e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian static bool objc_protocol_methods = false; 3419621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3420621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output struct protocol_methods holder of method selector and type. 3421621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!objc_protocol_methods && !PDecl->isForwardDecl()) { 3422621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct protocol_methods { 3423621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff SEL _cmd; 3424621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff char *method_types; 3425621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3426621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3427621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstruct _protocol_methods {\n"; 3428621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct objc_selector *_cmd;\n"; 3429621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tchar *method_types;\n"; 3430621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "};\n"; 34311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3432621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff objc_protocol_methods = true; 3433621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3434621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Do not synthesize the protocol more than once. 3435621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ObjCSynthesizedProtocols.count(PDecl)) 3436621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return; 34371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 343817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->instmeth_begin() != PDecl->instmeth_end()) { 343917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumMethods = std::distance(PDecl->instmeth_begin(), 344017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PDecl->instmeth_end()); 3441621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol_method_list { 3442621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff int protocol_method_count; 3443621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct protocol_methods protocols[]; 3444621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3445621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3446621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct {\n"; 3447621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tint protocol_method_count;\n"; 3448621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _protocol_methods protocol_methods["; 3449621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3450621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "];\n} _OBJC_PROTOCOL_INSTANCE_METHODS_"; 3451621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3452621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __cat_inst_meth\")))= " 3453621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t" + utostr(NumMethods) + "\n"; 34541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3455621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output instance methods declared in this protocol. 34561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::instmeth_iterator 34571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 3458621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff I != E; ++I) { 345917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (I == PDecl->instmeth_begin()) 3460621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{{(struct objc_selector *)\""; 3461621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3462621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{(struct objc_selector *)\""; 34634087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Result += (*I)->getSelector().getAsString(); 3464621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string MethodTypeString; 3465621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForMethodDecl((*I), MethodTypeString); 3466621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", \""; 3467621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += MethodTypeString; 3468621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\"}\n"; 34699d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 3470621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t }\n};\n"; 3471621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 34721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3473621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output class methods declared in this protocol. 347417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumMethods = std::distance(PDecl->classmeth_begin(), 347517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PDecl->classmeth_end()); 3476621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (NumMethods > 0) { 3477621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol_method_list { 3478621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff int protocol_method_count; 3479621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct protocol_methods protocols[]; 3480621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 34819d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner */ 3482621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct {\n"; 3483621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tint protocol_method_count;\n"; 3484621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _protocol_methods protocol_methods["; 3485621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3486621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "];\n} _OBJC_PROTOCOL_CLASS_METHODS_"; 3487d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += PDecl->getNameAsString(); 3488621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 3489621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t"; 3490621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3491621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\n"; 34921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3493621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output instance methods declared in this protocol. 34941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::classmeth_iterator 349517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 3496621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff I != E; ++I) { 349717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (I == PDecl->classmeth_begin()) 3498621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{{(struct objc_selector *)\""; 3499621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3500621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{(struct objc_selector *)\""; 35014087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Result += (*I)->getSelector().getAsString(); 3502621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string MethodTypeString; 3503621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForMethodDecl((*I), MethodTypeString); 3504621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", \""; 3505621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += MethodTypeString; 3506621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\"}\n"; 3507e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3508621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t }\n};\n"; 3509621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3510621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3511621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output: 3512621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol { 3513621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Objective-C 1.0 extensions 3514621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_extension *isa; 3515621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff char *protocol_name; 3516621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol **protocol_list; 3517621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_method_list *instance_methods; 3518621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_method_list *class_methods; 35191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3520621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3521621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff static bool objc_protocol = false; 3522621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!objc_protocol) { 3523621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstruct _objc_protocol {\n"; 3524621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_extension *isa;\n"; 3525621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tchar *protocol_name;\n"; 3526621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol **protocol_list;\n"; 3527621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_method_list *instance_methods;\n"; 3528621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_method_list *class_methods;\n"; 35299d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "};\n"; 35301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3531621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff objc_protocol = true; 3532621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 35331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3534621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct _objc_protocol _OBJC_PROTOCOL_"; 3535621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3536621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __protocol\")))= " 3537621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t0, \""; 3538621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3539621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", 0, "; 354017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->instmeth_begin() != PDecl->instmeth_end()) { 3541621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 3542621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3543621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += ", "; 35449d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 3545621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3546621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "0, "; 354717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->classmeth_begin() != PDecl->classmeth_end()) { 3548621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 3549621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3550621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\n"; 3551621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3552621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3553621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "0\n"; 3554621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "};\n"; 35551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3556621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Mark this protocol as having been generated. 3557621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!ObjCSynthesizedProtocols.insert(PDecl)) 3558621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff assert(false && "protocol already synthesized"); 3559621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3560621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff} 3561621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3562621edce9cd7d4e06979daf911cc306350619f33bSteve Naroffvoid RewriteObjC:: 3563621edce9cd7d4e06979daf911cc306350619f33bSteve NaroffRewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Protocols, 35644087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, llvm::StringRef ClassName, 3565621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result) { 3566621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (Protocols.empty()) return; 35671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3568621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff for (unsigned i = 0; i != Protocols.size(); i++) 3569621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolMetaData(Protocols[i], prefix, ClassName, Result); 3570621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 35719d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner // Output the top lovel protocol meta-data for the class. 35729d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner /* struct _objc_protocol_list { 35739d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner struct _objc_protocol_list *next; 35749d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner int protocol_count; 35759d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner struct _objc_protocol *class_protocols[]; 35769d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 35779d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner */ 35789d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\nstatic struct {\n"; 35799d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tstruct _objc_protocol_list *next;\n"; 35809d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tint protocol_count;\n"; 35819d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tstruct _objc_protocol *class_protocols["; 35829d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += utostr(Protocols.size()); 35839d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "];\n} _OBJC_"; 35849d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += prefix; 35859d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "_PROTOCOLS_"; 35869d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += ClassName; 35879d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 35889d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner "{\n\t0, "; 35899d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += utostr(Protocols.size()); 35909d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\n"; 35911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35929d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t,{&_OBJC_PROTOCOL_"; 3593d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += Protocols[0]->getNameAsString(); 35949d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += " \n"; 35951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35969d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner for (unsigned i = 1; i != Protocols.size(); i++) { 35979d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t ,&_OBJC_PROTOCOL_"; 3598d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += Protocols[i]->getNameAsString(); 35999d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\n"; 36009d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 36019d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t }\n};\n"; 36022e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 36032e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3604621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 36051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 36062e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian/// implementation. 3607b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 3608ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result) { 3609a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 36102e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Find category declaration for this implementation. 3611a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl *CDecl; 36121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (CDecl = ClassDecl->getCategoryList(); CDecl; 36132e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian CDecl = CDecl->getNextClassCategory()) 36142e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 36152e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian break; 36161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3617d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FullCategoryName = ClassDecl->getNameAsString(); 3618eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner FullCategoryName += '_'; 3619d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner FullCategoryName += IDecl->getNameAsString(); 36201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36212e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 36221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::SmallVector<ObjCMethodDecl *, 32> 362317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 3624653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor 3625653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // If any of our property implementations have associated getters or 3626653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // setters, produce metadata for them as well. 362717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 362817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PropEnd = IDecl->propimpl_end(); 3629653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Prop != PropEnd; ++Prop) { 3630653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 3631653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3632653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!(*Prop)->getPropertyIvarDecl()) 3633653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3634653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 3635653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!PD) 3636653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3637653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 3638653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Getter); 3639653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (PD->isReadOnly()) 3640653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3641653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 3642653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Setter); 3643653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor } 3644653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 3645eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner true, "CATEGORY_", FullCategoryName.c_str(), 3646eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner Result); 36471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36482e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's class methods if needed 364917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 3650eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner false, "CATEGORY_", FullCategoryName.c_str(), 3651eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner Result); 36521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36532e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Protocols referenced in class declaration? 3654bac97d43c9552ac0e084bb81fb7404908f1e9970Fariborz Jahanian // Null CDecl is case of a category implementation with no category interface 3655bac97d43c9552ac0e084bb81fb7404908f1e9970Fariborz Jahanian if (CDecl) 3656621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), "CATEGORY", 36574087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FullCategoryName, Result); 36582e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_category { 36592e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *category_name; 36602e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *class_name; 36612e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_method_list *instance_methods; 36622e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_method_list *class_methods; 36632e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_protocol_list *protocols; 36642e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Objective-C 1.0 extensions 36652e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian uint32_t size; // sizeof (struct _objc_category) 36661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump struct _objc_property_list *instance_properties; // category's own 36672e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // @property decl. 36681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 36692e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 36701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36712e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian static bool objc_category = false; 36722e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (!objc_category) { 3673ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_category {\n"; 3674ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *category_name;\n"; 3675ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *class_name;\n"; 3676ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *instance_methods;\n"; 3677ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *class_methods;\n"; 3678ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 36791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\tunsigned int size;\n"; 3680ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_property_list *instance_properties;\n"; 3681ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 36822e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian objc_category = true; 3683e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3684ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_category _OBJC_CATEGORY_"; 3685ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3686dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __category\")))= {\n\t\""; 3687d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 3688ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\"\n\t, \""; 3689d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ClassDecl->getNameAsString(); 3690ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\"\n"; 36911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 369217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 3693ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 3694ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "&_OBJC_CATEGORY_INSTANCE_METHODS_"; 3695ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3696ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3697ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 36982e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3699ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 370017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 3701ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 3702ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "&_OBJC_CATEGORY_CLASS_METHODS_"; 3703ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3704ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3705ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 37062e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3707ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 37081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3709cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl && CDecl->protocol_begin() != CDecl->protocol_end()) { 37101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_"; 3711ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3712ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3713ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 37142e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3715ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 3716ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, sizeof(struct _objc_category), 0\n};\n"; 37172e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 37182e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 371926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// SynthesizeIvarOffsetComputation - This rutine synthesizes computation of 372026e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// ivar offset. 37212d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanianvoid RewriteObjC::SynthesizeIvarOffsetComputation(ObjCIvarDecl *ivar, 372226e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result) { 37238f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff if (ivar->isBitField()) { 37248f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff // FIXME: The hack below doesn't work for bitfields. For now, we simply 37258f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff // place all bitfields at offset 0. 37268f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "0"; 37278f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff } else { 37288f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "__OFFSETOFIVAR__(struct "; 37292d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian Result += ivar->getContainingInterface()->getNameAsString(); 37308f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff if (LangOpts.Microsoft) 37318f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "_IMPL"; 37328f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += ", "; 3733d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ivar->getNameAsString(); 37348f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += ")"; 37358f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff } 373626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian} 373726e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian 37382e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian//===----------------------------------------------------------------------===// 37392e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian// Meta Data Emission 37402e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian//===----------------------------------------------------------------------===// 37412e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3742b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 3743ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result) { 3744a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 37451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3746ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian // Explictly declared @interface's are already synthesized. 374733feeb019a5742b286eededd5446ec0fe87c5a61Steve Naroff if (CDecl->isImplicitInterfaceDecl()) { 37481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: Implementation of a class with no @interface (legacy) doese not 3749ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian // produce correct synthesis as yet. 3750a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek SynthesizeObjCInternalStruct(CDecl, Result); 3751ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian } 37521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3753be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner // Build _objc_ivar_list metadata for classes ivars if needed 375417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumIvars = !IDecl->ivar_empty() 37551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ? IDecl->ivar_size() 3756f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner : (CDecl ? CDecl->ivar_size() : 0); 37572e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (NumIvars > 0) { 37582e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian static bool objc_ivar = false; 37592e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (!objc_ivar) { 37602e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_ivar { 37612e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *ivar_name; 37622e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *ivar_type; 37632e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian int ivar_offset; 37641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 37652e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 3766ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_ivar {\n"; 3767ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *ivar_name;\n"; 3768ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *ivar_type;\n"; 3769ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tint ivar_offset;\n"; 3770ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 37711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37722e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian objc_ivar = true; 37732e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian } 37742e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3775946a693aea83123f4039012c3bca7bc70800018bSteve Naroff /* struct { 3776946a693aea83123f4039012c3bca7bc70800018bSteve Naroff int ivar_count; 3777946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_ivar ivar_list[nIvars]; 37781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3779946a693aea83123f4039012c3bca7bc70800018bSteve Naroff */ 37801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\nstatic struct {\n"; 3781946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tint ivar_count;\n"; 3782946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_ivar ivar_list["; 3783946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += utostr(NumIvars); 3784946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "];\n} _OBJC_INSTANCE_VARIABLES_"; 3785d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 3786dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __instance_vars\")))= " 3787ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t"; 3788ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += utostr(NumIvars); 3789ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 37901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3791a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl::ivar_iterator IVI, IVE; 37928f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor llvm::SmallVector<ObjCIvarDecl *, 8> IVars; 379317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (!IDecl->ivar_empty()) { 379411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator 379517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis IV = IDecl->ivar_begin(), IVEnd = IDecl->ivar_end(); 37968f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor IV != IVEnd; ++IV) 37978f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor IVars.push_back(*IV); 379811062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian IVI = IDecl->ivar_begin(); 379911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian IVE = IDecl->ivar_end(); 3800be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner } else { 3801be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner IVI = CDecl->ivar_begin(); 3802be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner IVE = CDecl->ivar_end(); 3803be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner } 3804ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,{{\""; 3805d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (*IVI)->getNameAsString(); 3806160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", \""; 3807621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string TmpString, StrEncoding; 3808621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 3809621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QuoteDoublequotes(TmpString, StrEncoding); 3810160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += StrEncoding; 3811160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", "; 38122d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian SynthesizeIvarOffsetComputation(*IVI, Result); 381326e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian Result += "}\n"; 3814be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner for (++IVI; IVI != IVE; ++IVI) { 3815ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t ,{\""; 3816d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (*IVI)->getNameAsString(); 3817160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", \""; 3818621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string TmpString, StrEncoding; 3819621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 3820621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QuoteDoublequotes(TmpString, StrEncoding); 3821160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += StrEncoding; 3822160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", "; 38232d8c1fdef9658d7c3d56bcfd5533188f6c8b6bf5Fariborz Jahanian SynthesizeIvarOffsetComputation((*IVI), Result); 382426e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian Result += "}\n"; 3825ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3827ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t }\n};\n"; 38282e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian } 38291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38302e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 38311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::SmallVector<ObjCMethodDecl *, 32> 383217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 3833653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor 3834653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // If any of our property implementations have associated getters or 3835653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // setters, produce metadata for them as well. 383617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 383717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PropEnd = IDecl->propimpl_end(); 3838653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Prop != PropEnd; ++Prop) { 3839653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 3840653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3841653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!(*Prop)->getPropertyIvarDecl()) 3842653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3843653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 3844653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!PD) 3845653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3846653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 3847ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (!Getter->isDefined()) 3848ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian InstanceMethods.push_back(Getter); 3849653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (PD->isReadOnly()) 3850653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3851653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 3852ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian if (!Setter->isDefined()) 3853ec3683b3f33beda2449b4896b1a9548ab283e0e7Fariborz Jahanian InstanceMethods.push_back(Setter); 3854653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor } 3855653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 38564087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar true, "", IDecl->getName(), Result); 38571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38582e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's class methods if needed 385917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 38604087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar false, "", IDecl->getName(), Result); 38611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38622e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Protocols referenced in class declaration? 3863621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), 38644087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar "CLASS", CDecl->getName(), Result); 38651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3866deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // Declaration of class/meta-class metadata 3867deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian /* struct _objc_class { 3868deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_class *isa; // or const char *root_class_name when metadata 38699f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian const char *super_class_name; 38709f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian char *name; 38719f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long version; 38729f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long info; 38739f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long instance_size; 3874deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_ivar_list *ivars; 3875deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_method_list *methods; 38769f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct objc_cache *cache; 38779f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct objc_protocol_list *protocols; 38789f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian const char *ivar_layout; 38799f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct _objc_class_ext *ext; 38801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 38819f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian */ 3882deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian static bool objc_class = false; 3883deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian if (!objc_class) { 3884ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_class {\n"; 3885ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_class *isa;\n"; 3886ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *super_class_name;\n"; 3887ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *name;\n"; 3888ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong version;\n"; 3889ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong info;\n"; 3890ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong instance_size;\n"; 3891ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_ivar_list *ivars;\n"; 3892ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *methods;\n"; 3893ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct objc_cache *cache;\n"; 3894ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 3895ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *ivar_layout;\n"; 3896ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_class_ext *ext;\n"; 3897ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 3898deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian objc_class = true; 38999f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian } 39001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39019f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian // Meta-class metadata generation. 3902a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *RootClass = 0; 3903a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass(); 39049f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian while (SuperClass) { 39059f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian RootClass = SuperClass; 39069f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian SuperClass = SuperClass->getSuperClass(); 39079f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian } 39089f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian SuperClass = CDecl->getSuperClass(); 39091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3910ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_METACLASS_"; 3911d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3912dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __meta_class\")))= " 3913ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t(struct _objc_class *)\""; 3914d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (RootClass ? RootClass->getNameAsString() : CDecl->getNameAsString()); 3915ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3916ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian 3917ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (SuperClass) { 3918ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", \""; 3919d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += SuperClass->getNameAsString(); 3920ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\", \""; 3921d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3922ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3923ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3924ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian else { 3925ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0, \""; 3926d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3927ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3928ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3929a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // Set 'ivars' field for root class to 0. ObjC1 runtime does not use it. 39309f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian // 'info' field is initialized to CLS_META(2) for metaclass 3931ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0,2, sizeof(struct _objc_class), 0"; 393217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 393323f4127411d926fc6a1fe9af7c2bf97e653f16ebSteve Naroff Result += "\n\t, (struct _objc_method_list *)&_OBJC_CLASS_METHODS_"; 3934d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 39351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\n"; 3936ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 39379f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian else 3938ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0\n"; 3939cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 39408eb4a5e70a1bc3d832f90a150fdd84096532c2e2Steve Naroff Result += "\t,0, (struct _objc_protocol_list *)&_OBJC_CLASS_PROTOCOLS_"; 3941d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3942ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0\n"; 3943ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3944454cb012a948ab3dfef5e80ee32b470689c42ba5Fariborz Jahanian else 3945ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,0,0,0,0\n"; 3946ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 39471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3948deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // class metadata generation. 3949ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_CLASS_"; 3950d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3951dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __class\")))= " 3952ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t&_OBJC_METACLASS_"; 3953d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3954ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (SuperClass) { 3955ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", \""; 3956d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += SuperClass->getNameAsString(); 3957ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\", \""; 3958d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3959ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3960ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3961ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian else { 3962ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0, \""; 3963d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3964ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3965ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3966deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // 'info' field is initialized to CLS_CLASS(1) for class 39674d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ", 0,1"; 3968a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCSynthesizedStructs.count(CDecl)) 39694d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ",0"; 39704d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian else { 39714d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian // class has size. Must synthesize its size. 3972909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian Result += ",sizeof(struct "; 3973d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3974ba9ac4e5b86842216a0a0eef5886d41e0d7fed0eSteve Naroff if (LangOpts.Microsoft) 3975ba9ac4e5b86842216a0a0eef5886d41e0d7fed0eSteve Naroff Result += "_IMPL"; 39764d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ")"; 39774d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian } 3978ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (NumIvars > 0) { 3979c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff Result += ", (struct _objc_ivar_list *)&_OBJC_INSTANCE_VARIABLES_"; 3980d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3981ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n\t"; 3982ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3983deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 3984ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0"; 398517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 3986946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += ", (struct _objc_method_list *)&_OBJC_INSTANCE_METHODS_"; 3987d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 39881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += ", 0\n\t"; 3989ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3990deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 3991ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0"; 3992cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 39938eb4a5e70a1bc3d832f90a150fdd84096532c2e2Steve Naroff Result += ", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_"; 3994d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3995ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0,0\n"; 3996ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3997deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 3998ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0,0\n"; 3999ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 40009f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian} 4001f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian 40027a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 40037a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian/// and emits meta-data. 40047a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian 4005ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroffvoid RewriteObjC::RewriteImplementations() { 4006545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 4007545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 40081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40097a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian // Rewrite implemented methods 40107a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 40117a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian RewriteImplementationDecl(ClassImplementation[i]); 40121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 401366d6b294af6f114c718039e3279cfd23040cad7bFariborz Jahanian for (int i = 0; i < CatDefCount; i++) 401466d6b294af6f114c718039e3279cfd23040cad7bFariborz Jahanian RewriteImplementationDecl(CategoryImplementation[i]); 4015ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff} 40161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4017ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroffvoid RewriteObjC::SynthesizeMetaDataIntoBuffer(std::string &Result) { 4018ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff int ClsDefCount = ClassImplementation.size(); 4019ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff int CatDefCount = CategoryImplementation.size(); 40207c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 40212e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // For each implemented class, write out all its meta data. 4022f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 4023a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCClassMetaData(ClassImplementation[i], Result); 40241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40252e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // For each implemented category, write out all its meta data. 40262e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian for (int i = 0; i < CatDefCount; i++) 4027a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 4028621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 4029545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian // Write objc_symtab metadata 4030545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian /* 4031545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_symtab 4032545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian { 4033545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long sel_ref_cnt; 4034545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian SEL *refs; 4035545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian short cls_def_cnt; 4036545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian short cat_def_cnt; 4037545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian void *defs[cls_def_cnt + cat_def_cnt]; 40381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 4039545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian */ 40401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4041ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_symtab {\n"; 4042ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong sel_ref_cnt;\n"; 4043ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tSEL *refs;\n"; 4044ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tshort cls_def_cnt;\n"; 4045ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tshort cat_def_cnt;\n"; 4046ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tvoid *defs[" + utostr(ClsDefCount + CatDefCount)+ "];\n"; 4047ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 40481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4049ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "static struct _objc_symtab " 4050dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff "_OBJC_SYMBOLS __attribute__((used, section (\"__OBJC, __symbols\")))= {\n"; 40511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t0, 0, " + utostr(ClsDefCount) 4052ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian + ", " + utostr(CatDefCount) + "\n"; 4053ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 4054ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,&_OBJC_CLASS_"; 4055d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ClassImplementation[i]->getNameAsString(); 4056ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 4057ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 40581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4059ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 4060ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,&_OBJC_CATEGORY_"; 4061d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CategoryImplementation[i]->getClassInterface()->getNameAsString(); 4062ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "_"; 4063d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CategoryImplementation[i]->getNameAsString(); 4064ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 4065ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 40661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4067ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 40681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4069545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian // Write objc_module metadata 40701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4071545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian /* 4072545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_module { 4073545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long version; 4074545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long size; 4075545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian const char *name; 4076545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_symtab *symtab; 4077545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian } 4078545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian */ 40791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4080ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_module {\n"; 4081ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong version;\n"; 4082ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong size;\n"; 4083ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *name;\n"; 4084ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_symtab *symtab;\n"; 4085ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 4086ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "static struct _objc_module " 4087dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff "_OBJC_MODULES __attribute__ ((used, section (\"__OBJC, __module_info\")))= {\n"; 40881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t" + utostr(OBJC_ABI_VERSION) + 408926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian ", sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n"; 4090ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 40914f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff 40924f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff if (LangOpts.Microsoft) { 4093621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ProtocolExprDecls.size()) { 4094621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma section(\".objc_protocol$B\",long,read,write)\n"; 4095621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma data_seg(push, \".objc_protocol$B\")\n"; 40961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 4097621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff E = ProtocolExprDecls.end(); I != E; ++I) { 4098621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "static struct _objc_protocol *_POINTER_OBJC_PROTOCOL_"; 4099621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += (*I)->getNameAsString(); 4100621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " = &_OBJC_PROTOCOL_"; 4101621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += (*I)->getNameAsString(); 4102621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += ";\n"; 4103621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 4104621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma data_seg(pop)\n\n"; 4105621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 41064f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "#pragma section(\".objc_module_info$B\",long,read,write)\n"; 41071919032c9b6e9969e42093ee2e75a4de6abcb2b0Steve Naroff Result += "#pragma data_seg(push, \".objc_module_info$B\")\n"; 41084f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "static struct _objc_module *_POINTER_OBJC_MODULES = "; 41094f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "&_OBJC_MODULES;\n"; 41104f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "#pragma data_seg(pop)\n\n"; 41114f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff } 4112545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian} 4113311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner 4114a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanianvoid RewriteObjC::RewriteByRefString(std::string &ResultStr, 4115a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian const std::string &Name, 41161e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ValueDecl *VD, bool def) { 4117a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 4118a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 41191e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian if (def) 41201e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ResultStr += "struct "; 41211e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian ResultStr += "__Block_byref_" + Name + 4122a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 4123a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian} 4124a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian 41256cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 41266cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 41276cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 41286cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return false; 41296cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian} 41306cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 413154055232a5ddb9529726e934301b125cb720a273Steve Naroffstd::string RewriteObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 41324087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, 413354055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Tag) { 413454055232a5ddb9529726e934301b125cb720a273Steve Naroff const FunctionType *AFT = CE->getFunctionType(); 413554055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType RT = AFT->getResultType(); 413654055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string StructRef = "struct " + Tag; 4137fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string S = "static " + RT.getAsString(Context->PrintingPolicy) + " __" + 41384087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar funcName.str() + "_" + "block_func_" + utostr(i); 413954055232a5ddb9529726e934301b125cb720a273Steve Naroff 414054055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDecl *BD = CE->getBlockDecl(); 41411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 414272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(AFT)) { 41431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // No user-supplied arguments. Still need to pass in a pointer to the 4144df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff // block (to reference imported block decl refs). 4145df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff S += "(" + StructRef + " *__cself)"; 414654055232a5ddb9529726e934301b125cb720a273Steve Naroff } else if (BD->param_empty()) { 414754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef + " *__cself)"; 414854055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 414972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 415054055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(FT && "SynthesizeBlockFunc: No function proto"); 415154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += '('; 415254055232a5ddb9529726e934301b125cb720a273Steve Naroff // first add the implicit argument. 415354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += StructRef + " *__cself, "; 415454055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ParamStr; 415554055232a5ddb9529726e934301b125cb720a273Steve Naroff for (BlockDecl::param_iterator AI = BD->param_begin(), 415654055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BD->param_end(); AI != E; ++AI) { 415754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (AI != BD->param_begin()) S += ", "; 4158d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ParamStr = (*AI)->getNameAsString(); 41591f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType QT = (*AI)->getType(); 41604fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 41614fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->PrintingPolicy); 41621f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian else 41631f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->PrintingPolicy); 416454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += ParamStr; 416554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 416654055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FT->isVariadic()) { 416754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!BD->param_empty()) S += ", "; 416854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "..."; 416954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 417054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += ')'; 417154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 417254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " {\n"; 41731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 417454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Create local declarations to avoid rewriting all closure decl ref exprs. 417554055232a5ddb9529726e934301b125cb720a273Steve Naroff // First, emit a declaration for all "by ref" decls. 4176bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 417754055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 417854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4179d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 4180a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string TypeString; 4181a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 4182a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian TypeString += " *"; 418352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Name = TypeString + Name; 4184d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 41851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 418654055232a5ddb9529726e934301b125cb720a273Steve Naroff // Next, emit a declaration for all "by copy" declarations. 4187bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 418854055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 418954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 419054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 419154055232a5ddb9529726e934301b125cb720a273Steve Naroff // 419254055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedClosure)(void); 419354055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 41941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 419554055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherClosure)(void); 419654055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherClosure = ^(void) { 419754055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedClosure(); // import and invoke the closure 419854055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 419954055232a5ddb9529726e934301b125cb720a273Steve Naroff // 4200e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 4201e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 4202e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += " = ("; 4203e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 4204e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += ")"; 4205e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 4206e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 4207e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian else { 4208210c248449788d9ef910c8222267029653f83a2fFariborz Jahanian std::string Name = (*I)->getNameAsString(); 42096cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 42106cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 42116cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 42126cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(Name, Context->PrintingPolicy); 4213e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += Name + " = __cself->" + 4214e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 4215e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 421654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 421754055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string RewrittenStr = RewrittenBlockExprs[CE]; 421854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *cstr = RewrittenStr.c_str(); 421954055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*cstr++ != '{') ; 422054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += cstr; 422154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "\n"; 422254055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 422354055232a5ddb9529726e934301b125cb720a273Steve Naroff} 422454055232a5ddb9529726e934301b125cb720a273Steve Naroff 422554055232a5ddb9529726e934301b125cb720a273Steve Naroffstd::string RewriteObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 42264087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, 422754055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Tag) { 422854055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string StructRef = "struct " + Tag; 422954055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string S = "static void __"; 42301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 423154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += funcName; 423254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "_block_copy_" + utostr(i); 423354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef; 423454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*dst, " + StructRef; 423554055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*src) {"; 42361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 423754055232a5ddb9529726e934301b125cb720a273Steve Naroff E = ImportedBlockDecls.end(); I != E; ++I) { 42385bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff S += "_Block_object_assign((void*)&dst->"; 4239d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 424047a242208867fa433d05a78bf346bbb37721a507Steve Naroff S += ", (void*)src->"; 4241d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 4242bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 424373e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 4244d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian else 424573e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 424654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4247d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian S += "}\n"; 4248d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian 424954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "\nstatic void __"; 425054055232a5ddb9529726e934301b125cb720a273Steve Naroff S += funcName; 425154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "_block_dispose_" + utostr(i); 425254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef; 425354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*src) {"; 42541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 425554055232a5ddb9529726e934301b125cb720a273Steve Naroff E = ImportedBlockDecls.end(); I != E; ++I) { 42565bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff S += "_Block_object_dispose((void*)src->"; 4257d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 4258bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 425973e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 4260d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian else 426173e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 426254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 42631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump S += "}\n"; 426454055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 426554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 4266ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 426701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroffstd::string RewriteObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 426801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string Desc) { 4269ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff std::string S = "\nstruct " + Tag; 427054055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Constructor = " " + Tag; 42711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " {\n struct __block_impl impl;\n"; 427301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " struct " + Desc; 427401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "* Desc;\n"; 42751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += "(void *fp, "; // Invoke function pointer. 427701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += "struct " + Desc; // Descriptor pointer. 427801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " *desc"; 42791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 428054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs.size()) { 428154055232a5ddb9529726e934301b125cb720a273Steve Naroff // Output all "by copy" declarations. 4282bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 428354055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 428454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4285d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FieldName = (*I)->getNameAsString(); 428654055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ArgName = "_" + FieldName; 428754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 428854055232a5ddb9529726e934301b125cb720a273Steve Naroff // 428954055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedBlock)(void); 429054055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 42911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 429254055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherBlock)(void); 429354055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherBlock = ^(void) { 429454055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock(); // import and invoke the closure 429554055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 429654055232a5ddb9529726e934301b125cb720a273Steve Naroff // 429701f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) { 429854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "struct __block_impl *"; 429954055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", void *" + ArgName; 430054055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 43016cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 43026cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 43036cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 43046cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->PrintingPolicy); 43056cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->PrintingPolicy); 430654055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", " + ArgName; 430754055232a5ddb9529726e934301b125cb720a273Steve Naroff } 430854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += FieldName + ";\n"; 430954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 431054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Output all "by ref" declarations. 4311bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 431254055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 431354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4314d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FieldName = (*I)->getNameAsString(); 431554055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ArgName = "_" + FieldName; 431654055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 431754055232a5ddb9529726e934301b125cb720a273Steve Naroff // 431854055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedBlock)(void); 431954055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 43201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 432154055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherBlock)(void); 432254055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherBlock = ^(void) { 432354055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock(); // import and invoke the closure 432454055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 432554055232a5ddb9529726e934301b125cb720a273Steve Naroff // 432601f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) { 432754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "struct __block_impl *"; 432854055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", void *" + ArgName; 432954055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 4330a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string TypeString; 4331a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 433252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian TypeString += " *"; 433352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian FieldName = TypeString + FieldName; 433452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ArgName = TypeString + ArgName; 433554055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", " + ArgName; 433654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 433754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += FieldName + "; // by ref\n"; 433854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 433954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Finish writing the constructor. 434020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", int flags=0)"; 434154055232a5ddb9529726e934301b125cb720a273Steve Naroff // Initialize all "by copy" arguments. 434220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian bool firsTime = true; 4343bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 434454055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 4345d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 434620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (firsTime) { 434720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " : "; 434820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian firsTime = false; 434920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian } 435020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 435120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", "; 435220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 435320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 435420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 435520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 435654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 435754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Initialize all "by ref" arguments. 4358bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 435954055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 4360d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 436120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (firsTime) { 436220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " : "; 436320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian firsTime = false; 436420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian } 436520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 436620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", "; 436701f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) 436820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" 436920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian + Name + "->__forwarding)"; 437054055232a5ddb9529726e934301b125cb720a273Steve Naroff else 437120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 437254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 437320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian 437420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " {\n"; 437520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (GlobalVarDecl) 437620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 437720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 437820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 437920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 438020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian 438120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " Desc = desc;\n"; 438254055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 438354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Finish writing the constructor. 438454055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", int flags=0) {\n"; 4385621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (GlobalVarDecl) 4386621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 4387621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 4388621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 438901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 439001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " Desc = desc;\n"; 439154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 439254055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += " "; 439354055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += "}\n"; 439454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += Constructor; 439554055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "};\n"; 439654055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 439754055232a5ddb9529726e934301b125cb720a273Steve Naroff} 439839ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis 439901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroffstd::string RewriteObjC::SynthesizeBlockDescriptor(std::string DescTag, 440001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string ImplTag, int i, 44014087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName, 440201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned hasCopy) { 440301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string S = "\nstatic struct " + DescTag; 440401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 440501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " {\n unsigned long reserved;\n"; 440601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " unsigned long Block_size;\n"; 440701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff if (hasCopy) { 44084fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += " void (*copy)(struct "; 44094fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*, struct "; 44104fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*);\n"; 44114fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian 44124fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += " void (*dispose)(struct "; 44134fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*);\n"; 441401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 441501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "} "; 441601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 441701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += DescTag + "_DATA = { 0, sizeof(struct "; 441801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += ImplTag + ")"; 441901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff if (hasCopy) { 44204087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 44214087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 442201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 442301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "};\n"; 442401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff return S; 442501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff} 442601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 442754055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 44284087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName) { 4429abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // Insert declaration for the function in which block literal is used. 4430bf07012cf92253380ce427924870288a34230d1bFariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 4431abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 44328611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian bool RewriteSC = (GlobalVarDecl && 44338611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian !Blocks.empty() && 4434d931b086984257de68868a64a235c2b4b34003fbJohn McCall GlobalVarDecl->getStorageClass() == SC_Static && 44358611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 44368611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (RewriteSC) { 44378611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian std::string SC(" void __"); 44388611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 44398611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += "() {}"; 44408611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian InsertText(FunLocStart, SC); 44418611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian } 44428611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian 444354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Insert closures that were part of the function. 444472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 444572952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 44465e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 44475e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // block. 444872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 444972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockDeclRefExpr *Exp = InnerDeclRefs[count++]; 445072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian ValueDecl *VD = Exp->getDecl(); 445172952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockDeclRefs.push_back(Exp); 445272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 445372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 445472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByCopyDecls.push_back(VD); 445572952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 445672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 445772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 445872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByRefDecls.push_back(VD); 445972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 446092c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian // imported objects in the inner blocks not used in the outer 446192c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 446292c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian if (Exp->isByRef() || 446392c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian VD->getType()->isObjCObjectPointerType() || 446492c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian VD->getType()->isBlockPointerType()) 446592c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian ImportedBlockDecls.insert(VD); 446672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 446754055232a5ddb9529726e934301b125cb720a273Steve Naroff 44684087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 44694087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 44701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 447101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 447254055232a5ddb9529726e934301b125cb720a273Steve Naroff 4473d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, CI); 447454055232a5ddb9529726e934301b125cb720a273Steve Naroff 447501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 44761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4477d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, CF); 447854055232a5ddb9529726e934301b125cb720a273Steve Naroff 447954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (ImportedBlockDecls.size()) { 448001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 4481d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, HF); 448254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 448301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 448401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff ImportedBlockDecls.size() > 0); 4485d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, BD); 44861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 448754055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDeclRefs.clear(); 448854055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockByRefDecls.clear(); 4489bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.clear(); 449054055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockByCopyDecls.clear(); 4491bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 449254055232a5ddb9529726e934301b125cb720a273Steve Naroff ImportedBlockDecls.clear(); 449354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 44948611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (RewriteSC) { 449561b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 449661b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian // removed as result of rewriting of block literals. 449761b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian std::string SC; 4498d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (GlobalVarDecl->getStorageClass() == SC_Static) 449961b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC = "static "; 450061b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 450161b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC += "const "; 450261b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 450361b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC += "volatile "; 45048611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 45058611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += "restrict "; 45068611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian InsertText(FunLocStart, SC); 450761b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian } 450861b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian 450954055232a5ddb9529726e934301b125cb720a273Steve Naroff Blocks.clear(); 45105e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefsCount.clear(); 45115e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefs.clear(); 451254055232a5ddb9529726e934301b125cb720a273Steve Naroff RewrittenBlockExprs.clear(); 451354055232a5ddb9529726e934301b125cb720a273Steve Naroff} 451454055232a5ddb9529726e934301b125cb720a273Steve Naroff 451554055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 451654055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 45174087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FuncName = FD->getName(); 45181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 451954055232a5ddb9529726e934301b125cb720a273Steve Naroff SynthesizeBlockLiterals(FunLocStart, FuncName); 452054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 452154055232a5ddb9529726e934301b125cb720a273Steve Naroff 4522e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 4523e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian ObjCMethodDecl *MD) { 4524e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 45254087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Name = IFace->getName(); 4526e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 4527e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian // Convert colons to underscores. 4528e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian std::string::size_type loc = 0; 4529e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 4530e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian Name.replace(loc, 1, "_"); 4531e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian} 4532e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian 453354055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 4534ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 4535ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff //SourceLocation FunLocStart = MD->getLocStart(); 45360e1c99a1a9068020daa7d85fcafb18490ea6a475Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 4537e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian std::string FuncName; 4538e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 45394087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar SynthesizeBlockLiterals(FunLocStart, FuncName); 454054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 454154055232a5ddb9529726e934301b125cb720a273Steve Naroff 454254055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::GetBlockDeclRefExprs(Stmt *S) { 45437502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 454454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*CI) { 454554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 454654055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(CBE->getBody()); 454754055232a5ddb9529726e934301b125cb720a273Steve Naroff else 454854055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(*CI); 454954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 455054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle specific things. 45516cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 455254055232a5ddb9529726e934301b125cb720a273Steve Naroff // FIXME: Handle enums. 455354055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!isa<FunctionDecl>(CDRE->getDecl())) 455454055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDeclRefs.push_back(CDRE); 45556cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45566cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 45576cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(DRE->getDecl())) { 45586cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian BlockDeclRefExpr *BDRE = 45596b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall new (Context)BlockDeclRefExpr(cast<VarDecl>(DRE->getDecl()), 45606b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall DRE->getType(), 4561f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, DRE->getLocation(), false); 45626cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian BlockDeclRefs.push_back(BDRE); 45636cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45646cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 456554055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 456654055232a5ddb9529726e934301b125cb720a273Steve Naroff} 456754055232a5ddb9529726e934301b125cb720a273Steve Naroff 45685e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanianvoid RewriteObjC::GetInnerBlockDeclRefExprs(Stmt *S, 45695e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 457072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 45717502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 45725e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian if (*CI) { 457372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 457472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 45755e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 45765e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs, 457772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts); 457872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 45795e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian else 45805e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 45815e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs, 458272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts); 45835e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 45845e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian } 45855e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Handle specific things. 45866cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 45875e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl()) && 458872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian !InnerContexts.count(CDRE->getDecl()->getDeclContext())) 45895e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs.push_back(CDRE); 45906cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45916cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 45926cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 45936cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (Var->isFunctionOrMethodVarDecl()) 45946cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.insert(Var); 45956cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 459672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian 45975e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian return; 45985e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian} 45995e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 46001f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 46011f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 46021f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// might be block pointers to an equivalent funtion type replacing 46031f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// all block pointers to function pointers. 46041f90622e9d24064164df1608ea125d0ed451ac68Fariborz JahanianQualType RewriteObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 46051f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 46061f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // FTP will be null for closures that don't take arguments. 46071f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Generate a funky cast. 46081f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian llvm::SmallVector<QualType, 8> ArgTypes; 46091f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType Res = FT->getResultType(); 46104fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian bool HasBlockType = convertBlockPointerToFunctionPointer(Res); 46111f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian 46121f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian if (FTP) { 46131f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 46141f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 46151f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType t = *I; 46161f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 46174fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(t)) 46181f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian HasBlockType = true; 46191f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian ArgTypes.push_back(t); 46201f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian } 46211f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian } 46221f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType FuncType; 46231f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // FIXME. Does this work if block takes no argument but has a return type 46241f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // which is of block type? 46251f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian if (HasBlockType) 4626e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FuncType = getSimpleFunctionType(Res, &ArgTypes[0], ArgTypes.size()); 46271f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian else FuncType = QualType(FT, 0); 46281f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian return FuncType; 46291f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian} 46301f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian 46318a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz JahanianStmt *RewriteObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 463254055232a5ddb9529726e934301b125cb720a273Steve Naroff // Navigate to relevant type information. 463354055232a5ddb9529726e934301b125cb720a273Steve Naroff const BlockPointerType *CPT = 0; 46341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46358a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 46366217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = DRE->getType()->getAs<BlockPointerType>(); 46378a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } else if (const BlockDeclRefExpr *CDRE = 46388a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian dyn_cast<BlockDeclRefExpr>(BlockExp)) { 46396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = CDRE->getType()->getAs<BlockPointerType>(); 46408a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 46416217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = MExpr->getType()->getAs<BlockPointerType>(); 46428a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } 46438a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 46448a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 46458a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } 46468a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 46478a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 46488a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ConditionalOperator *CEXPR = 46498a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 46508a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 46518a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 46528a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 46538a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 46548a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 46558a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian ConditionalOperator *CondExpr = 46568a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian new (Context) ConditionalOperator(CONDExp, 46578a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 4658f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 4659f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian (Expr*)0, 46600943168ac126b8047f30f6bd215fbe7db14d61baJohn McCall Exp->getType(), VK_RValue, OK_Ordinary); 46618a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian return CondExpr; 4662e24b22bb58e38253da0bda26da51da7663ca743bFariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 4663e24b22bb58e38253da0bda26da51da7663ca743bFariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 466454055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 466554055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(1 && "RewriteBlockClass: Bad type"); 466654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 466754055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(CPT && "RewriteBlockClass: Bad type"); 4668183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 466954055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(FT && "RewriteBlockClass: Bad type"); 467072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 467154055232a5ddb9529726e934301b125cb720a273Steve Naroff // FTP will be null for closures that don't take arguments. 46721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4673465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 4674aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff SourceLocation(), 4675aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff &Context->Idents.get("__block_impl")); 4676aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 467754055232a5ddb9529726e934301b125cb720a273Steve Naroff 4678aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Generate a funky cast. 4679aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff llvm::SmallVector<QualType, 8> ArgTypes; 46801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4681aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Push the block argument type. 4682aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ArgTypes.push_back(PtrBlock); 468354055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FTP) { 46841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 4685aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff E = FTP->arg_type_end(); I && (I != E); ++I) { 4686aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff QualType t = *I; 4687aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Make sure we convert "t (^)(...)" to "t (*)(...)". 46888188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian if (!convertBlockPointerToFunctionPointer(t)) 46898188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian convertToUnqualifiedObjCType(t); 4690aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ArgTypes.push_back(t); 4691aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 4692aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 4693aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Now do the pointer to function cast. 4694e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall QualType PtrToFuncCastType 4695e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = getSimpleFunctionType(Exp->getType(), &ArgTypes[0], ArgTypes.size()); 46961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4697aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 46981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46999d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 4700a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, 47019d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall const_cast<Expr*>(BlockExp)); 4702aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Don't forget the parens to enforce the proper binding. 47038189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 47048189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek BlkCast); 4705aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff //PE->dump(); 47061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 470744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 47081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &Context->Idents.get("FuncPtr"), Context->VoidPtrTy, 0, 47094afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*BitWidth=*/0, /*Mutable=*/true); 47108189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 4711f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FD->getType(), VK_LValue, 4712f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary); 47131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47148188e5f6367714e0eda2bdf9a9710131cb15bbfbFariborz Jahanian 47159d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 4716a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, ME); 47178189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 47181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4719aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff llvm::SmallVector<Expr*, 8> BlkExprs; 4720aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Add the implicit argument. 4721aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff BlkExprs.push_back(BlkCast); 4722aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Add the user arguments. 47231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (CallExpr::arg_iterator I = Exp->arg_begin(), 472454055232a5ddb9529726e934301b125cb720a273Steve Naroff E = Exp->arg_end(); I != E; ++I) { 4725aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff BlkExprs.push_back(*I); 472654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4727668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 4728668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek BlkExprs.size(), 4729f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp->getType(), VK_RValue, 4730f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 4731aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff return CE; 473254055232a5ddb9529726e934301b125cb720a273Steve Naroff} 473354055232a5ddb9529726e934301b125cb720a273Steve Naroff 4734621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// We need to return the rewritten expression to handle cases where the 4735621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// BlockDeclRefExpr is embedded in another expression being rewritten. 4736621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// For example: 4737621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// 4738621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// int main() { 4739621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// __block Foo *f; 4740621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// __block int i; 47411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// 4742621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// void (^myblock)() = ^() { 4743621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// [f test]; // f is a BlockDeclRefExpr embedded in a message (which is being rewritten). 4744621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// i = 77; 4745621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// }; 4746621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff//} 4747f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz JahanianStmt *RewriteObjC::RewriteBlockDeclRefExpr(Expr *DeclRefExp) { 4748bbf37e232b10793b9ec91f4ea01ec168123d5026Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 4749f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 4750f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ValueDecl *VD; 4751f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian bool isArrow = true; 4752f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(DeclRefExp)) 4753f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian VD = BDRE->getDecl(); 4754f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian else { 4755f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian VD = cast<DeclRefExpr>(DeclRefExp)->getDecl(); 4756f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian isArrow = false; 4757f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 4758f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 4759ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 4760ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian &Context->Idents.get("__forwarding"), 4761ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian Context->VoidPtrTy, 0, 4762ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true); 4763f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 4764f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian FD, SourceLocation(), 4765f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FD->getType(), VK_LValue, 4766f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary); 4767f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 47684087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef Name = VD->getName(); 4769ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), 4770ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian &Context->Idents.get(Name), 4771ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian Context->VoidPtrTy, 0, 4772ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true); 4773ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 4774f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExp->getType(), VK_LValue, OK_Ordinary); 4775ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4776ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4777ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4778df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff // Need parens to enforce precedence. 4779ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 4780ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ME); 4781f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ReplaceStmt(DeclRefExp, PE); 4782621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return PE; 478354055232a5ddb9529726e934301b125cb720a273Steve Naroff} 478454055232a5ddb9529726e934301b125cb720a273Steve Naroff 47856cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// Rewrites the imported local variable V with external storage 47866cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// (static, extern, etc.) as *V 47876cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// 47886cb6eb4c792b504ad652d9230640656852e18ee9Fariborz JahanianStmt *RewriteObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 47896cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 47906cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 47916cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 47926cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return DRE; 4793f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, DRE->getType(), 4794f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, OK_Ordinary, 4795f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DRE->getLocation()); 47966cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian // Need parens to enforce precedence. 47976cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 47986cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian Exp); 47996cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ReplaceStmt(DRE, PE); 48006cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return PE; 48016cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian} 48026cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 4803b2f9e516327310d95840d442416084508f80c183Steve Naroffvoid RewriteObjC::RewriteCastExpr(CStyleCastExpr *CE) { 4804b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LocStart = CE->getLParenLoc(); 4805b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LocEnd = CE->getRParenLoc(); 4806fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 4807fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Need to avoid trying to rewrite synthesized casts. 4808fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (LocStart.isInvalid()) 4809fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 48108f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff // Need to avoid trying to rewrite casts contained in macros. 48118f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 48128f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff return; 48131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 481454055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(LocStart); 481554055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *endBuf = SM->getCharacterData(LocEnd); 48161d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian QualType QT = CE->getType(); 48171d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 48181d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 48191d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 48201d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 48211d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian std::string TypeAsString = "("; 4822afad76f6134e635c3cb240ec725d3b7989e7a625Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 48231d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian TypeAsString += ")"; 4824d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 48251d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian return; 48261d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian } 482754055232a5ddb9529726e934301b125cb720a273Steve Naroff // advance the location to startArgList. 482854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = startBuf; 48291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 483054055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr++ && (argPtr < endBuf)) { 483154055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4832b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '^': 4833b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump // Replace the '^' with '*'. 4834b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump LocStart = LocStart.getFileLocWithOffset(argPtr-startBuf); 4835d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 1, "*"); 4836b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 483754055232a5ddb9529726e934301b125cb720a273Steve Naroff } 483854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 483954055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 484054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 484154055232a5ddb9529726e934301b125cb720a273Steve Naroff 484254055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 484354055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation DeclLoc = FD->getLocation(); 484454055232a5ddb9529726e934301b125cb720a273Steve Naroff unsigned parenCount = 0; 48451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 484654055232a5ddb9529726e934301b125cb720a273Steve Naroff // We have 1 or more arguments that have closure pointers. 484754055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(DeclLoc); 484854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startArgList = strchr(startBuf, '('); 48491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485054055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 48511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485254055232a5ddb9529726e934301b125cb720a273Steve Naroff parenCount++; 485354055232a5ddb9529726e934301b125cb720a273Steve Naroff // advance the location to startArgList. 485454055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = DeclLoc.getFileLocWithOffset(startArgList-startBuf); 485554055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 48561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485754055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = startArgList; 48581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485954055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr++ && parenCount) { 486054055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4861b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '^': 4862b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump // Replace the '^' with '*'. 4863b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump DeclLoc = DeclLoc.getFileLocWithOffset(argPtr-startArgList); 4864d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, 1, "*"); 4865b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4866b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '(': 4867b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump parenCount++; 4868b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4869b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case ')': 4870b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump parenCount--; 4871b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 487254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 487354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 487454055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 487554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 487654055232a5ddb9529726e934301b125cb720a273Steve Naroff 487754055232a5ddb9529726e934301b125cb720a273Steve Naroffbool RewriteObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 487872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FTP; 48796217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const PointerType *PT = QT->getAs<PointerType>(); 488054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PT) { 4881183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 488254055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 48836217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 488454055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 4885183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 488654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 488754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FTP) { 48881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 488954055232a5ddb9529726e934301b125cb720a273Steve Naroff E = FTP->arg_type_end(); I != E; ++I) 489001f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(*I)) 489154055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 489254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 489354055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 489454055232a5ddb9529726e934301b125cb720a273Steve Naroff} 489554055232a5ddb9529726e934301b125cb720a273Steve Naroff 4896e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanianbool RewriteObjC::PointerTypeTakesAnyObjCQualifiedType(QualType QT) { 4897e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian const FunctionProtoType *FTP; 4898e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian const PointerType *PT = QT->getAs<PointerType>(); 4899e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (PT) { 4900e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 4901e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } else { 4902e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 4903e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 4904e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 4905e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 4906e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (FTP) { 4907e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 490806de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian E = FTP->arg_type_end(); I != E; ++I) { 490906de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian if ((*I)->isObjCQualifiedIdType()) 491006de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian return true; 491106de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian if ((*I)->isObjCObjectPointerType() && 491206de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian (*I)->getPointeeType()->isObjCQualifiedInterfaceType()) 4913e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian return true; 491406de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian } 491506de2cfe0b46e525ba8618536b12aecfbd12d127Fariborz Jahanian 4916e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 4917e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian return false; 4918e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian} 4919e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian 49208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekvoid RewriteObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 49218189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const char *&RParen) { 492254055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = strchr(Name, '('); 492354055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 49241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 492554055232a5ddb9529726e934301b125cb720a273Steve Naroff LParen = argPtr; // output the start. 492654055232a5ddb9529726e934301b125cb720a273Steve Naroff argPtr++; // skip past the left paren. 492754055232a5ddb9529726e934301b125cb720a273Steve Naroff unsigned parenCount = 1; 49281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 492954055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr && parenCount) { 493054055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4931b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '(': parenCount++; break; 4932b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case ')': parenCount--; break; 4933b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: break; 493454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 493554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (parenCount) argPtr++; 493654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 493754055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 493854055232a5ddb9529726e934301b125cb720a273Steve Naroff RParen = argPtr; // output the end 493954055232a5ddb9529726e934301b125cb720a273Steve Naroff} 494054055232a5ddb9529726e934301b125cb720a273Steve Naroff 494154055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 494254055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 494354055232a5ddb9529726e934301b125cb720a273Steve Naroff RewriteBlockPointerFunctionArgs(FD); 494454055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 49451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 494654055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle Variables and Typedefs. 494754055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation DeclLoc = ND->getLocation(); 494854055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType DeclT; 494954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 495054055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = VD->getType(); 495154055232a5ddb9529726e934301b125cb720a273Steve Naroff else if (TypedefDecl *TDD = dyn_cast<TypedefDecl>(ND)) 495254055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = TDD->getUnderlyingType(); 495354055232a5ddb9529726e934301b125cb720a273Steve Naroff else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 495454055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = FD->getType(); 49551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 495654055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(0 && "RewriteBlockPointerDecl(): Decl type not yet handled"); 49571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 495854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(DeclLoc); 495954055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *endBuf = startBuf; 496054055232a5ddb9529726e934301b125cb720a273Steve Naroff // scan backward (from the decl location) for the end of the previous decl. 496154055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 496254055232a5ddb9529726e934301b125cb720a273Steve Naroff startBuf--; 4963e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian SourceLocation Start = DeclLoc.getFileLocWithOffset(startBuf-endBuf); 4964e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian std::string buf; 4965e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian unsigned OrigLength=0; 496654055232a5ddb9529726e934301b125cb720a273Steve Naroff // *startBuf != '^' if we are dealing with a pointer to function that 496754055232a5ddb9529726e934301b125cb720a273Steve Naroff // may take block argument types (which will be handled below). 496854055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*startBuf == '^') { 496954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Replace the '^' with '*', computing a negative offset. 4970e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf = '*'; 4971e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian startBuf++; 4972e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 497354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4974e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian while (*startBuf != ')') { 4975e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *startBuf; 4976e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian startBuf++; 4977e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 4978e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 4979e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += ')'; 4980e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 4981e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian 4982e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (PointerTypeTakesAnyBlockArguments(DeclT) || 4983e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian PointerTypeTakesAnyObjCQualifiedType(DeclT)) { 498454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Replace the '^' with '*' for arguments. 4985e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian // Replace id<P> with id/*<>*/ 498654055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = ND->getLocation(); 498754055232a5ddb9529726e934301b125cb720a273Steve Naroff startBuf = SM->getCharacterData(DeclLoc); 498854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argListBegin, *argListEnd; 498954055232a5ddb9529726e934301b125cb720a273Steve Naroff GetExtentOfArgList(startBuf, argListBegin, argListEnd); 499054055232a5ddb9529726e934301b125cb720a273Steve Naroff while (argListBegin < argListEnd) { 4991e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian if (*argListBegin == '^') 4992e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += '*'; 4993e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian else if (*argListBegin == '<') { 4994e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += "/*"; 4995e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin++; 4996e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++;; 4997e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian while (*argListBegin != '>') { 4998e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin++; 4999e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 5000e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian } 5001e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin; 5002e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += "*/"; 500354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 5004e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian else 5005e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += *argListBegin; 500654055232a5ddb9529726e934301b125cb720a273Steve Naroff argListBegin++; 5007e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 500854055232a5ddb9529726e934301b125cb720a273Steve Naroff } 5009e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian buf += ')'; 5010e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian OrigLength++; 501154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 5012e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian ReplaceText(Start, OrigLength, buf); 5013e985d01390a828d9ea679c26c711d5509fd27709Fariborz Jahanian 501454055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 501554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 501654055232a5ddb9529726e934301b125cb720a273Steve Naroff 5017d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5018d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 5019d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 5020d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// struct Block_byref_id_object *src) { 5021d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 5022d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 5023d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 5024d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 5025d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 5026d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 5027d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// } 5028d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// And: 5029d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 5030d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_dispose(_src->object, 5031d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 5032d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 5033d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_dispose(_src->object, 5034d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 5035d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 5036d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// } 5037d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5038ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanianstd::string RewriteObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 5039ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian int flag) { 5040d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian std::string S; 50411211a71912f263f6991eebfc27a8421a8800b9ecBenjamin Kramer if (CopyDestroyCache.count(flag)) 5042d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian return S; 5043ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian CopyDestroyCache.insert(flag); 5044ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 5045ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += utostr(flag); 5046ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "(void *dst, void *src) {\n"; 5047ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian 5048d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // offset into the object pointer is computed as: 5049d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // void * + void* + int + int + void* + void * 5050d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned IntSize = 5051d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 5052d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned VoidPtrSize = 5053d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 5054d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5055d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/8; 5056d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 5057d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 5058d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 5059d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 5060d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += "), "; 5061d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(flag); 5062d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ");\n}\n"; 5063d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 5064ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 5065ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += utostr(flag); 5066ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "(void *src) {\n"; 5067d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 5068d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 5069d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += "), "; 5070d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(flag); 5071d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ");\n}\n"; 5072d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian return S; 5073d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian} 5074d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 507552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 507652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// the declaration into: 507752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND { 507852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 507952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND *__forwarding; 508052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// int32_t __flags; 508152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// int32_t __size; 5082d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 5083d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 508452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// typex ND; 508552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// }; 508652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 508752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// It then replaces declaration of ND variable with: 508852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 508952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 509052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// ND=initializer-if-any}; 509152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 509252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 509352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanianvoid RewriteObjC::RewriteByRefVar(VarDecl *ND) { 5094abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // Insert declaration for the function in which block literal is 5095abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // used. 5096abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 5097abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 50982086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian int flag = 0; 50992086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian int isa = 0; 510052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 5101d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian if (DeclLoc.isInvalid()) 5102d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 5103d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian // Use variable's location which is good for this case. 5104d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian DeclLoc = ND->getLocation(); 510552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 51066f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian SourceLocation X = ND->getLocEnd(); 51076f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian X = SM->getInstantiationLoc(X); 51086f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian const char *endBuf = SM->getCharacterData(X); 510952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian std::string Name(ND->getNameAsString()); 5110a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string ByrefType; 51111e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND, true); 511252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " {\n"; 511352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " void *__isa;\n"; 5114a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5115a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += " *__forwarding;\n"; 511652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " int __flags;\n"; 511752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " int __size;\n"; 5118d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 5119d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 5120f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian QualType Ty = ND->getType(); 5121f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 5122f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (HasCopyAndDispose) { 5123d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 5124d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 5125f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 5126f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 5127f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian Ty.getAsStringInternal(Name, Context->PrintingPolicy); 512852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " " + Name + ";\n"; 512952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += "};\n"; 513052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // Insert this type in global scope. It is needed by helper function. 5131dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian SourceLocation FunLocStart; 5132dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian if (CurFunctionDef) 5133dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 5134dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian else { 5135dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 5136dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 5137dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian } 5138d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, ByrefType); 51392086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian if (Ty.isObjCGCWeak()) { 51402086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 51412086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian isa = 1; 51422086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian } 51432086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian 5144d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5145ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 5146ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian QualType Ty = ND->getType(); 5147ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 5148ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian if (Ty->isBlockPointerType()) 5149ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 5150ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian else 5151ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 5152ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 5153d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (!HF.empty()) 5154d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, HF); 5155d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 515652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian 515752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // struct __Block_byref_ND ND = 515852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 515952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // initializer-if-any}; 516052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian bool hasInit = (ND->getInit() != 0); 5161e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian unsigned flags = 0; 5162e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian if (HasCopyAndDispose) 5163e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 516452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Name = ND->getNameAsString(); 5165a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType.clear(); 5166a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 51672663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string ForwardingCastType("("); 51682663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ForwardingCastType += ByrefType + " *)"; 516952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian if (!hasInit) { 51702086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 51712086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += utostr(isa); 51722663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 5173ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flags); 5174f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ByrefType += ", "; 5175a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "sizeof("; 5176a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5177a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += ")"; 5178d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5179ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 5180ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5181ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 5182ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5183d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 518452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += "};\n"; 5185d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf+Name.size(), ByrefType); 518652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian } 518752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian else { 5188dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian SourceLocation startLoc; 5189dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian Expr *E = ND->getInit(); 5190dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 5191dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian startLoc = ECE->getLParenLoc(); 5192dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian else 5193dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian startLoc = E->getLocStart(); 5194791b10d03570ca8c5d3e344cc09900d1a8313999Fariborz Jahanian startLoc = SM->getInstantiationLoc(startLoc); 5195dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 519652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " " + Name; 5197dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian ByrefType += " = {(void*)"; 51982086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += utostr(isa); 51992663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 5200ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flags); 5201f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ByrefType += ", "; 5202a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "sizeof("; 5203a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5204a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "), "; 5205d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5206ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 5207ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5208ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 5209ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5210ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", "; 5211d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 5212d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 5213c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff 5214c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // Complete the newly synthesized compound expression by inserting a right 5215c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // curly brace before the end of the declaration. 5216c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // FIXME: This approach avoids rewriting the initializer expression. It 5217c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // also assumes there is only one declarator. For example, the following 5218c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // isn't currently supported by this routine (in general): 5219c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // 5220c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 5221c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // 52225f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 52235f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 5224c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 5225c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff SourceLocation semiLoc = 52265f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian startLoc.getFileLocWithOffset(semiBuf-startInitializerBuf); 5227c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff 5228d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(semiLoc, "}"); 522952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian } 52301be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian return; 52311be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian} 52321be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian 52331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 523454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Add initializers for any closure decl refs. 523554055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(Exp->getBody()); 523654055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs.size()) { 523754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Unique all "by copy" declarations. 523854055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 5239bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockDeclRefs[i]->isByRef()) { 5240bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 5241bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 5242bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 5243bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 5244bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 524554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Unique all "by ref" declarations. 524654055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 524754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs[i]->isByRef()) { 5248bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 5249bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 5250bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 5251bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 525254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 525354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Find any imported blocks...they will need special attention. 525454055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 52554fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian if (BlockDeclRefs[i]->isByRef() || 52564fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 52575b011b050e764fe1c2a38bd81b386fc6e66eeb93Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 525854055232a5ddb9529726e934301b125cb720a273Steve Naroff ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 525954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 526054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 526154055232a5ddb9529726e934301b125cb720a273Steve Naroff 52624087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarFunctionDecl *RewriteObjC::SynthBlockInitFunctionDecl(llvm::StringRef name) { 5263fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff IdentifierInfo *ID = &Context->Idents.get(name); 526472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 52651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return FunctionDecl::Create(*Context, TUDecl,SourceLocation(), 5266d931b086984257de68868a64a235c2b4b34003fbJohn McCall ID, FType, 0, SC_Extern, 5267d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false, false); 5268fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5269fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 52705e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz JahanianStmt *RewriteObjC::SynthBlockInitExpr(BlockExpr *Exp, 52715e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian const llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs) { 5272fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Blocks.push_back(Exp); 5273fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5274fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CollectBlockDeclRefInfo(Exp); 52755e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 52765e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Add inner imported variables now used in current block. 52775e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian int countOfInnerDecls = 0; 52781276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 52791276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 52801276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefExpr *Exp = InnerBlockDeclRefs[i]; 52811276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian ValueDecl *VD = Exp->getDecl(); 52821276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 52835e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // We need to save the copied-in variables in nested 52845e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // blocks because it is needed at the end for some of the API generations. 52855e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // See SynthesizeBlockLiterals routine. 52861276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 52871276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefs.push_back(Exp); 52881276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 52891276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByCopyDecls.push_back(VD); 52901276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian } 52911276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 52921276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 52931276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefs.push_back(Exp); 52941276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 52951276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByRefDecls.push_back(VD); 52961276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian } 5297f89c4270c94ddd966819fe6b8306aa572d1e5d83Fariborz Jahanian } 52981276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian // Find any imported blocks...they will need special attention. 52991276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 53001276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (InnerBlockDeclRefs[i]->isByRef() || 53011276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 53021276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 53031276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 53045e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian } 53055e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 53065e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 5307fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string FuncName; 53081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5309fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CurFunctionDef) 5310077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner FuncName = CurFunctionDef->getNameAsString(); 5311e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian else if (CurMethodDef) 5312e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 5313e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian else if (GlobalVarDecl) 5314d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner FuncName = std::string(GlobalVarDecl->getNameAsString()); 53151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5316fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string BlockNumber = utostr(Blocks.size()-1); 53171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5318fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber; 5319fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 53201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5321fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get a pointer to the function type so we can cast appropriately. 53221f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 53231f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 5324fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5325fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff FunctionDecl *FD; 5326fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Expr *NewRep; 53271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5328fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Simulate a contructor call... 53294087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl(Tag); 5330f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, FType, VK_RValue, 5331f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 53321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5333fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff llvm::SmallVector<Expr*, 4> InitExprs; 53341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5335fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff // Initialize the block function. 53364087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl(Func); 5337f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 53388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation()); 53399d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 5340a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Arg); 53411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(castExpr); 53421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 534301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff // Initialize the block descriptor. 534401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 534501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 534601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 534701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff &Context->Idents.get(DescData.c_str()), 534801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Context->VoidPtrTy, 0, 5349d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Static, SC_None); 5350f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall UnaryOperator *DescRefExpr = 5351f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall new (Context) UnaryOperator(new (Context) DeclRefExpr(NewVD, 5352f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->VoidPtrTy, 5353f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_LValue, 5354f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()), 5355f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall UO_AddrOf, 5356f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getPointerType(Context->VoidPtrTy), 5357f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, 5358f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 535901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff InitExprs.push_back(DescRefExpr); 536001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 5361fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Add initializers for any closure decl refs. 5362fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockDeclRefs.size()) { 5363fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff Expr *Exp; 5364fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Output all "by copy" declarations. 5365bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 5366fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 5367fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (isObjCType((*I)->getType())) { 5368fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff // FIXME: Conform to ABI ([[obj retain] autorelease]). 53694087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5370f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5371f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 5372a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 5373a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian QualType QT = (*I)->getType(); 5374a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian QT = Context->getPointerType(QT); 5375f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 5376f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary, SourceLocation()); 5377a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian } 537801f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff } else if (isTopLevelBlockPointerType((*I)->getType())) { 53794087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5380f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Arg = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5381f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 53829d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 5383a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall CK_BitCast, Arg); 5384fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } else { 53854087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5386f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5387f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 53886cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 53896cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 53906cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 5391f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, VK_RValue, 5392f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall OK_Ordinary, SourceLocation()); 53936cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 53946cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 5395fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 53961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(Exp); 5397fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5398fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Output all "by ref" declarations. 5399bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 5400fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 54012663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ValueDecl *ND = (*I); 54022663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string Name(ND->getNameAsString()); 54032663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string RecName; 54041e8011e2fcddc4a638d210ec2dcd21adcf7b1763Fariborz Jahanian RewriteByRefString(RecName, Name, ND, true); 54052663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 54062663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian + sizeof("struct")); 5407465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 54082663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian SourceLocation(), II); 54092663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 54102663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 54112663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian 54124087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 5413f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Exp = new (Context) DeclRefExpr(FD, FD->getType(), VK_LValue, 5414f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall SourceLocation()); 54152de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 5416f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall Context->getPointerType(Exp->getType()), 5417f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 5418a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_BitCast, Exp); 54191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(Exp); 5420fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 542101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 5422ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian if (ImportedBlockDecls.size()) { 5423ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 5424ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 542501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned IntSize = 542601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 54279996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 54289996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Context->IntTy, SourceLocation()); 5429ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian InitExprs.push_back(FlagExp); 5430fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5431668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 5432f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall FType, VK_LValue, SourceLocation()); 54332de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 54341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(NewRep->getType()), 5435f89e55ab1bfb3ea997f8b02997c611a02254eb2dJohn McCall VK_RValue, OK_Ordinary, SourceLocation()); 5436a5bbc50b1e1b27008a79c11a6c6c33e51d8a9cc9John McCall NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_BitCast, 54379d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall NewRep); 5438fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockDeclRefs.clear(); 5439fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockByRefDecls.clear(); 5440bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.clear(); 5441fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockByCopyDecls.clear(); 5442bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 5443fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff ImportedBlockDecls.clear(); 5444fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return NewRep; 5445fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5446fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5447fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff//===----------------------------------------------------------------------===// 5448fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff// Function Body / Expression rewriting 5449fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff//===----------------------------------------------------------------------===// 5450fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5451c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// This is run as a first "pass" prior to RewriteFunctionBodyOrGlobalInitializer(). 5452c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// The allows the main rewrite loop to associate all ObjCPropertyRefExprs with 5453c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// their respective BinaryOperator. Without this knowledge, we'd need to rewrite 5454c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// the ObjCPropertyRefExpr twice (once as a getter, and later as a setter). 5455c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// Since the rewriter isn't capable of rewriting rewritten code, it's important 5456c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// we get this right. 5457c77a636688e188af7e7a9a05829e542adb48e880Steve Naroffvoid RewriteObjC::CollectPropertySetters(Stmt *S) { 5458c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Perform a bottom up traversal of all children. 54597502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 5460c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (*CI) 5461c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(*CI); 5462c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff 5463c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(S)) { 5464c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinOp->isAssignmentOp()) { 546512f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (isa<ObjCPropertyRefExpr>(BinOp->getLHS())) 546612f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall PropSetters[BinOp->getLHS()] = BinOp; 5467c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } 5468c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } 5469c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff} 5470c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff 5471fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 54721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 5473fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff isa<DoStmt>(S) || isa<ForStmt>(S)) 5474fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.push_back(S); 5475fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (isa<ObjCForCollectionStmt>(S)) { 5476fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.push_back(S); 54774824fcdf37139efa57466a2a5753dd6e5e792ef8Chris Lattner ObjCBcLabelNo.push_back(++BcLabelCount); 5478fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 54791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5480fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceRange OrigStmtRange = S->getSourceRange(); 54811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5482fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Perform a bottom up rewrite of all children. 54837502c1d3ce8bb97bcc4f7bebef507040bd93b26fJohn McCall for (Stmt::child_range CI = S->children(); CI; ++CI) 5484fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (*CI) { 54852b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt; 54862b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *S = (*CI); 54872b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 54882b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Expr *OldBase = IvarRefExpr->getBase(); 54892b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool replaced = false; 54902b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian newStmt = RewriteObjCNestedIvarRefExpr(S, replaced); 54912b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (replaced) { 54922b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(newStmt)) 54932b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian ReplaceStmt(OldBase, IRE->getBase()); 54942b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian else 54952b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian ReplaceStmt(S, newStmt); 54962b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 54972b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 54982b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian else 54992b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian newStmt = RewriteFunctionBodyOrGlobalInitializer(S); 55001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (newStmt) 5501fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff *CI = newStmt; 550290fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // If dealing with an assignment with LHS being a property reference 550390fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // expression, the entire assignment tree is rewritten into a property 550490fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // setter messaging. This involvs the RHS too. Do not attempt to rewrite 550590fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // RHS again. 55068537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian if (Expr *Exp = dyn_cast<Expr>(S)) 550712f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (isa<ObjCPropertyRefExpr>(Exp)) { 55088537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian if (PropSetters[Exp]) { 55098537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian ++CI; 55108537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian continue; 55118537f7b49402bddeac95893eb711a3912aef3552Fariborz Jahanian } 551290fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian } 55137e7492442f32e3abbe246f6bb35568b044c1188bNick Lewycky } 55141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5515fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 55165e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> InnerBlockDeclRefs; 551772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 551872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 55196cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.clear(); 55205e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 552172952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerBlockDeclRefs, InnerContexts); 5522fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Rewrite the block body in place. 5523da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian Stmt *SaveCurrentBody = CurrentBody; 5524da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian CurrentBody = BE->getBody(); 5525da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian PropParentMap = 0; 5526fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 5527da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian CurrentBody = SaveCurrentBody; 5528da4ad9fa26b607adde033badcf67396ebc0cfe17Fariborz Jahanian PropParentMap = 0; 55296cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.clear(); 5530fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Now we snarf the rewritten text and stash it away for later use. 55316a12a14a529a79524e17889046c7098b80a73c49Ted Kremenek std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 55328e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewrittenBlockExprs[BE] = Str; 55331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55345e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 55355e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 5536fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff //blockTranscribed->dump(); 55378e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff ReplaceStmt(S, blockTranscribed); 5538fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return blockTranscribed; 5539fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5540fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Handle specific things. 5541fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 5542fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteAtEncode(AtEncode); 55431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 554412f78a6741a4cb3d904340f8d3d2714568b50e7aJohn McCall if (isa<ObjCPropertyRefExpr>(S)) { 5545f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian Expr *PropOrImplicitRefExpr = dyn_cast<Expr>(S); 5546f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian assert(PropOrImplicitRefExpr && "Property or implicit setter/getter is null"); 5547f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 5548f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian BinaryOperator *BinOp = PropSetters[PropOrImplicitRefExpr]; 5549c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinOp) { 5550c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Because the rewriter doesn't allow us to rewrite rewritten code, 5551c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // we need to rewrite the right hand side prior to rewriting the setter. 5552b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = true; 5553b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // Save the source range. Even if we disable the replacement, the 5554b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // rewritten node will have been inserted into the tree. If the synthesized 5555b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // node is at the 'end', the rewriter will fail. Consider this: 55561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // self.errorHandler = handler ? handler : 5557b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // ^(NSURL *errorURL, NSError *error) { return (BOOL)1; }; 5558b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange = BinOp->getSourceRange(); 5559c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(BinOp->getRHS()); 5560f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian // Need to rewrite the ivar access expression if need be. 5561f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian if (isa<ObjCIvarRefExpr>(newStmt)) { 5562f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian bool replaced = false; 5563f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian newStmt = RewriteObjCNestedIvarRefExpr(newStmt, replaced); 5564f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian } 5565f2c6fa4eca6e4d3b2a005416746a47e85690f3a7Fariborz Jahanian 5566b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = false; 55674c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55684c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Unlike the main iterator, we explicily avoid changing 'BinOp'. If 55694c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // we changed the RHS of BinOp, the rewriter would fail (since it needs 55704c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // to see the original expression). Consider this example: 55714c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55724c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Foo *obj1, *obj2; 55734c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55744c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // obj1.i = [obj2 rrrr]; 55754c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55764c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 'BinOp' for the previous expression looks like: 55774c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55784c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (BinaryOperator 0x231ccf0 'int' '=' 55794c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ObjCPropertyRefExpr 0x231cc70 'int' Kind=PropertyRef Property="i" 55804c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231cc50 'Foo *' Var='obj1' 0x231cbb0)) 55814c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ObjCMessageExpr 0x231ccb0 'int' selector=rrrr 55824c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231cc90 'Foo *' Var='obj2' 0x231cbe0))) 55834c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55844c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 'newStmt' represents the rewritten message expression. For example: 55854c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55864c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CallExpr 0x231d300 'id':'struct objc_object *' 55874c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ParenExpr 0x231d2e0 'int (*)(id, SEL)' 55884c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CStyleCastExpr 0x231d2c0 'int (*)(id, SEL)' 55894c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CStyleCastExpr 0x231d220 'void *' 55904c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231d200 'id (id, SEL, ...)' FunctionDecl='objc_msgSend' 0x231cdc0)))) 55914c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 5592f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian // Note that 'newStmt' is passed to RewritePropertyOrImplicitSetter so that it 55934c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // can be used as the setter argument. ReplaceStmt() will still 'see' 55944c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // the original RHS (since we haven't altered BinOp). 55954c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 55961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // This implies the Rewrite* routines can no longer delete the original 55974c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // node. As a result, we now leak the original AST nodes. 55984c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 5599f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian return RewritePropertyOrImplicitSetter(BinOp, dyn_cast<Expr>(newStmt), SrcRange); 5600c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } else { 5601f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian return RewritePropertyOrImplicitGetter(PropOrImplicitRefExpr); 560215f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff } 560315f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff } 5604f2ad2c92720f0e25c032188783a1d6374155f03aFariborz Jahanian 5605fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 5606fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteAtSelector(AtSelector); 56071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5608fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 5609fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCStringLiteral(AtString); 56101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5611fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 5612c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff#if 0 5613fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Before we rewrite it, put the original message expression in a comment. 5614fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = MessExpr->getLocStart(); 5615fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation endLoc = MessExpr->getLocEnd(); 56161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5617fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 5618fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const char *endBuf = SM->getCharacterData(endLoc); 56191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5620fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string messString; 5621fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString += "// "; 5622fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString.append(startBuf, endBuf-startBuf+1); 5623fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString += "\n"; 56241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: Missing definition of 5626fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // InsertText(clang::SourceLocation, char const*, unsigned int). 5627fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // InsertText(startLoc, messString.c_str(), messString.size()); 5628fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Tried this, but it didn't work either... 5629fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 5630c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff#endif 5631fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteMessageExpr(MessExpr); 5632fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 56331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5634fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 5635fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCTryStmt(StmtTry); 5636fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5637fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 5638fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCSynchronizedStmt(StmtTry); 5639fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5640fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 5641fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCThrowStmt(StmtThrow); 56421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5643fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 5644fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCProtocolExpr(ProtocolExp); 56451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ObjCForCollectionStmt *StmtForCollection = 5647fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<ObjCForCollectionStmt>(S)) 56481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return RewriteObjCForCollectionStmt(StmtForCollection, 5649fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff OrigStmtRange.getEnd()); 5650fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BreakStmt *StmtBreakStmt = 5651fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<BreakStmt>(S)) 5652fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteBreakStmt(StmtBreakStmt); 5653fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ContinueStmt *StmtContinueStmt = 5654fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<ContinueStmt>(S)) 5655fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteContinueStmt(StmtContinueStmt); 56561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 5658fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // and cast exprs. 5659fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 5660fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // FIXME: What we're doing here is modifying the type-specifier that 5661fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // precedes the first Decl. In the future the DeclGroup should have 56621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a separate type-specifier that we can rewrite. 56633d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // NOTE: We need to avoid rewriting the DeclStmt if it is within 56643d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // the context of an ObjCForCollectionStmt. For example: 56653d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // NSArray *someArray; 56663d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // for (id <FooProtocol> index in someArray) ; 56673d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // This is because RewriteObjCForCollectionStmt() does textual rewriting 56683d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // and it depends on the original text locations/positions. 5669b2041de2eb3e44d04cb8c62c4369314af4fd6a90Benjamin Kramer if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 56703d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 56711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5672fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Blocks rewrite rules. 5673fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 5674fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff DI != DE; ++DI) { 56754afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Decl *SD = *DI; 5676fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 567701f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(ND->getType())) 5678fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(ND); 56791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (ND->getType()->isFunctionPointerType()) 5680fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(ND->getType(), ND); 56814c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 5682a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 5683a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 5684a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 5685a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 5686a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 568752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian RewriteByRefVar(VD); 5688a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian } 56894c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else 56904c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian RewriteTypeOfDecl(VD); 56914c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 5692fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5693fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (TypedefDecl *TD = dyn_cast<TypedefDecl>(SD)) { 569401f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 5695fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(TD); 56961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (TD->getUnderlyingType()->isFunctionPointerType()) 5697fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 5698fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5699fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5700fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 57011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5702fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 5703fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteObjCQualifiedInterfaceTypes(CE); 57041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 5706fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff isa<DoStmt>(S) || isa<ForStmt>(S)) { 5707fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff assert(!Stmts.empty() && "Statement stack is empty"); 57081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 57091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 5710fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff && "Statement stack mismatch"); 5711fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.pop_back(); 5712fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5713fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Handle blocks rewriting. 5714fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(S)) { 5715fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BDRE->isByRef()) 5716621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return RewriteBlockDeclRefExpr(BDRE); 5717fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5718f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 5719f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ValueDecl *VD = DRE->getDecl(); 5720f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 5721f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 57226cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 57236cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 5724f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 5725f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 5726fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 5727aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff if (CE->getCallee()->getType()->isBlockPointerType()) { 57288a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 5729aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ReplaceStmt(S, BlockCall); 5730aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff return BlockCall; 5731aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 5732fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5733b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 5734fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteCastExpr(CE); 5735fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5736fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff#if 0 5737fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 5738906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 5739906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl ICE->getSubExpr(), 5740906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl SourceLocation()); 5741fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get the new text. 5742fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string SStr; 5743fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff llvm::raw_string_ostream Buf(SStr); 57443a9eb44f2906e44ca29ae2d9df56fb9824ef7d05Eli Friedman Replacement->printPretty(Buf, *Context); 5745fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const std::string &Str = Buf.str(); 5746fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5747fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff printf("CAST = %s\n", &Str[0]); 5748fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 5749fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff delete S; 5750fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return Replacement; 5751fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5752fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff#endif 5753fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Return this stmt unmodified. 5754fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 5755fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5756fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 57573d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroffvoid RewriteObjC::RewriteRecordBody(RecordDecl *RD) { 57583d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff for (RecordDecl::field_iterator i = RD->field_begin(), 57593d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff e = RD->field_end(); i != e; ++i) { 57603d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff FieldDecl *FD = *i; 57613d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (isTopLevelBlockPointerType(FD->getType())) 57623d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteBlockPointerDecl(FD); 57633d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (FD->getType()->isObjCQualifiedIdType() || 57643d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff FD->getType()->isObjCQualifiedInterfaceType()) 57653d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteObjCQualifiedInterfaceTypes(FD); 57663d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } 57673d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff} 57683d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff 5769fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// HandleDeclInMainFile - This is called for each top-level decl defined in the 5770fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// main file of the input. 5771fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroffvoid RewriteObjC::HandleDeclInMainFile(Decl *D) { 5772fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 5773cb73530987a22a6877039b9404b29aba3bf226e0Steve Naroff if (FD->isOverloadedOperator()) 5774cb73530987a22a6877039b9404b29aba3bf226e0Steve Naroff return; 57751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5776fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Since function prototypes don't have ParmDecl's, we check the function 5777fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // prototype. This enables us to rewrite function declarations and 5778fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // definitions using the same code. 577972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor RewriteBlocksInFunctionProtoType(FD->getType(), FD); 5780fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5781d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl // FIXME: If this should support Obj-C++, support CXXTryStmt 57825f1bfc10a12d9759444eb433f52a85d2e0058967Argyrios Kyrtzidis if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 5783fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurFunctionDef = FD; 5784abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 5785c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(Body); 57868599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = Body; 5787eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek Body = 5788eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 5789eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek FD->setBody(Body); 57908599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 57918599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 57928599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 57938599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 57948599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 5795fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // This synthesizes and inserts the block "impl" struct, invoke function, 5796fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // and any copy/dispose helper functions. 5797fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertBlockLiteralsWithinFunction(FD); 5798fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurFunctionDef = 0; 5799abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 58001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5801fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5802fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5803fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) { 58046fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis if (CompoundStmt *Body = MD->getCompoundBody()) { 5805fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurMethodDef = MD; 5806c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(Body); 58078599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = Body; 5808eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek Body = 5809eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 5810eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek MD->setBody(Body); 58118599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 58128599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 58138599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 58148599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 58158599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 5816fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertBlockLiteralsWithinMethod(MD); 5817fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurMethodDef = 0; 5818fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5819fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5820fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCImplementationDecl *CI = dyn_cast<ObjCImplementationDecl>(D)) 5821fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff ClassImplementation.push_back(CI); 5822fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (ObjCCategoryImplDecl *CI = dyn_cast<ObjCCategoryImplDecl>(D)) 5823fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CategoryImplementation.push_back(CI); 5824fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (ObjCClassDecl *CD = dyn_cast<ObjCClassDecl>(D)) 5825fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteForwardClassDecl(CD); 5826fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (VarDecl *VD = dyn_cast<VarDecl>(D)) { 5827fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteObjCQualifiedInterfaceTypes(VD); 582801f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(VD->getType())) 5829fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(VD); 58308e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff else if (VD->getType()->isFunctionPointerType()) { 5831fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(VD->getType(), VD); 5832fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (VD->getInit()) { 5833b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 5834fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteCastExpr(CE); 5835fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5836fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 58373d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } else if (VD->getType()->isRecordType()) { 58383d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 58393d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (RD->isDefinition()) 58403d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteRecordBody(RD); 5841fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 58428e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff if (VD->getInit()) { 58438e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff GlobalVarDecl = VD; 5844c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(VD->getInit()); 58458599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = VD->getInit(); 58468e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 58478599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 58488599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 58498599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 58508599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 58518599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 58521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), 58534087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar VD->getName()); 58548e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff GlobalVarDecl = 0; 58558e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff 58568e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff // This is needed for blocks. 5857b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 58588e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewriteCastExpr(CE); 58598e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff } 58608e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff } 5861fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5862fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5863fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (TypedefDecl *TD = dyn_cast<TypedefDecl>(D)) { 586401f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 5865fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(TD); 58661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (TD->getUnderlyingType()->isFunctionPointerType()) 5867fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 5868fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5869fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5870fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (RecordDecl *RD = dyn_cast<RecordDecl>(D)) { 58713d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (RD->isDefinition()) 58723d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteRecordBody(RD); 5873fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5874fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5875fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Nothing yet. 5876fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5877fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5878dacbc5d46aaeea817742b8c76c987b87d2490c85Chris Lattnervoid RewriteObjC::HandleTranslationUnit(ASTContext &C) { 5879fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Diags.hasErrorOccurred()) 5880fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 58811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5882fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteInclude(); 58831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5884621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Here's a great place to add any extra declarations that may be needed. 5885621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Write out meta data for each @protocol(<expr>). 58861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 5887621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff E = ProtocolExprDecls.end(); I != E; ++I) 5888621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolMetaData(*I, "", "", Preamble); 5889621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 5890d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 58910aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff if (ClassImplementation.size() || CategoryImplementation.size()) 58920aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff RewriteImplementations(); 5893621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 5894fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get the buffer corresponding to MainFileID. If we haven't changed it, then 5895fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // we are done. 58961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const RewriteBuffer *RewriteBuf = 5897fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Rewrite.getRewriteBufferFor(MainFileID)) { 5898fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff //printf("Changed:\n"); 5899fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 5900fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } else { 5901d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer llvm::errs() << "No changes\n"; 5902fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5903ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff 5904621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ClassImplementation.size() || CategoryImplementation.size() || 5905621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolExprDecls.size()) { 59060aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff // Rewrite Objective-c meta data* 59070aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff std::string ResultStr; 59080aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff SynthesizeMetaDataIntoBuffer(ResultStr); 59090aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff // Emit metadata. 59100aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff *OutFile << ResultStr; 59110aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff } 5912fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff OutFile->flush(); 5913fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5914