RewriteObjC.cpp revision 90fe4bc75d7fe0a68fd858b278221101787320da
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 { 3673e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian 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 */ 4173e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian BLOCK_FIELD_IS_WEAK = 16, /* declared __weak, only used in byref copy 4273e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian helpers */ 4373e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian 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. 142c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff llvm::DenseMap<ObjCPropertyRefExpr *, 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). 1458599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff llvm::DenseMap<ObjCPropertyRefExpr *, 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 158545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian 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) { 198b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // Measaure 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); 250a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCMethodDecl(ObjCMethodDecl *MDecl, std::string &ResultStr); 2517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian void RewriteTypeIntoString(QualType T, std::string &ResultStr, 2527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *&FPRetType); 253a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian void RewriteByRefString(std::string &ResultStr, const std::string &Name, 254a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ValueDecl *VD); 255a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteCategoryDecl(ObjCCategoryDecl *Dcl); 256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteProtocolDecl(ObjCProtocolDecl *Dcl); 257a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteForwardProtocolDecl(ObjCForwardProtocolDecl *Dcl); 258a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteMethodDeclaration(ObjCMethodDecl *Method); 2596327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff void RewriteProperty(ObjCPropertyDecl *prop); 26009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void RewriteFunctionDecl(FunctionDecl *FD); 261fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar void RewriteBlockPointerType(std::string& Str, QualType Type); 262fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar void RewriteBlockPointerTypeVariable(std::string& Str, ValueDecl *VD); 263abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian void RewriteBlockLiteralFunctionDecl(FunctionDecl *FD); 264a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCQualifiedInterfaceTypes(Decl *Dcl); 2654c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian void RewriteTypeOfDecl(VarDecl *VD); 2664f95b750534f2111f28434b282bcbd5656002816Steve Naroff void RewriteObjCQualifiedInterfaceTypes(Expr *E); 267d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff bool needToScanForQualifiers(QualType T); 268874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType getSuperStructType(); 269d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType getConstantStringStructType(); 2701f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType convertFunctionTypeOfBlocks(const FunctionType *FT); 271baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff bool BufferContainsPPDirectives(const char *startBuf, const char *endBuf); 2721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 273f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Expression Rewriting. 274f3473a7e48dfaaa88f58dd9304856e16754f9b1cSteve Naroff Stmt *RewriteFunctionBodyOrGlobalInitializer(Stmt *S); 275c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff void CollectPropertySetters(Stmt *S); 2761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2778599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Stmt *CurrentBody; 2788599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff ParentMap *PropParentMap; // created lazily. 2791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner Stmt *RewriteAtEncode(ObjCEncodeExpr *Exp); 2812b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV, SourceLocation OrigStart, 2822b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool &replaced); 2832b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *RewriteObjCNestedIvarRefExpr(Stmt *S, bool &replaced); 284c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *RewritePropertyGetter(ObjCPropertyRefExpr *PropRefExpr); 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Stmt *RewritePropertySetter(BinaryOperator *BinOp, Expr *newStmt, 286b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange); 287b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff Stmt *RewriteAtSelector(ObjCSelectorExpr *Exp); 288e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner Stmt *RewriteMessageExpr(ObjCMessageExpr *Exp); 289beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff Stmt *RewriteObjCStringLiteral(ObjCStringLiteral *Exp); 29036ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian Stmt *RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp); 291b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void WarnAboutReturnGotoStmts(Stmt *S); 292b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void HasReturnStmts(Stmt *S, bool &hasReturns); 293b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void RewriteTryReturnStmts(Stmt *S); 294b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff void RewriteSyncReturnStmts(Stmt *S, std::string buf); 295a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Stmt *RewriteObjCTryStmt(ObjCAtTryStmt *S); 296a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian Stmt *RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S); 297a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Stmt *RewriteObjCThrowStmt(ObjCAtThrowStmt *S); 298338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner Stmt *RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 299338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner SourceLocation OrigEnd); 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CallExpr *SynthesizeCallToFunctionDecl(FunctionDecl *FD, 3011d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Expr **args, unsigned nargs, 3021d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc=SourceLocation(), 3031d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc=SourceLocation()); 3041d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Stmt *SynthMessageExpr(ObjCMessageExpr *Exp, 3051d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc=SourceLocation(), 3061d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc=SourceLocation()); 307e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmt *RewriteBreakStmt(BreakStmt *S); 308e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmt *RewriteContinueStmt(ContinueStmt *S); 30933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian void SynthCountByEnumWithState(std::string &buf); 3101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void SynthMsgSendFunctionDecl(); 312874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff void SynthMsgSendSuperFunctionDecl(); 31380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian void SynthMsgSendStretFunctionDecl(); 314acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian void SynthMsgSendFpretFunctionDecl(); 31580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian void SynthMsgSendSuperStretFunctionDecl(); 31609b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff void SynthGetClassFunctionDecl(); 3179bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff void SynthGetMetaClassFunctionDecl(); 318d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian void SynthGetSuperClassFunctionDecl(); 319a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian void SynthSelGetUidFunctionDecl(); 320c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff void SynthSuperContructorFunctionDecl(); 3211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 322f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Metadata emission. 323a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 324ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result); 3251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 326a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *CDecl, 327ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result); 3281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 329653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor template<typename MethodIterator> 330653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor void RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 331653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor MethodIterator MethodEnd, 3328e991ba2e256e56959a65a049e161aa30b3c0decFariborz Jahanian bool IsInstanceMethod, 3334087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3344087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 335158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner std::string &Result); 3361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 337621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void RewriteObjCProtocolMetaData(ObjCProtocolDecl *Protocol, 3384087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3394087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 340621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result); 341621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void RewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Prots, 3424087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 3434087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 344621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result); 345a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek void SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl, 34626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result); 3477c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian void SynthesizeIvarOffsetComputation(ObjCContainerDecl *IDecl, 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 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 40754055232a5ddb9529726e934301b125cb720a273Steve Naroff // FIXME: This predicate seems like it would be useful to add to ASTContext. 40854055232a5ddb9529726e934301b125cb720a273Steve Naroff bool isObjCType(QualType T) { 40954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!LangOpts.ObjC1 && !LangOpts.ObjC2) 41054055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41254055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType OCT = Context->getCanonicalType(T).getUnqualifiedType(); 4131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (OCT == Context->getCanonicalType(Context->getObjCIdType()) || 41554055232a5ddb9529726e934301b125cb720a273Steve Naroff OCT == Context->getCanonicalType(Context->getObjCClassType())) 41654055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 4171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4186217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = OCT->getAs<PointerType>()) { 4191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<ObjCInterfaceType>(PT->getPointeeType()) || 420d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff PT->getPointeeType()->isObjCQualifiedIdType()) 42154055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 42254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 42354055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 42454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 42554055232a5ddb9529726e934301b125cb720a273Steve Naroff bool PointerTypeTakesAnyBlockArguments(QualType QT); 4268189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek void GetExtentOfArgList(const char *Name, const char *&LParen, 4278189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const char *&RParen); 428b2f9e516327310d95840d442416084508f80c183Steve Naroff void RewriteCastExpr(CStyleCastExpr *CE); 4291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4304087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FunctionDecl *SynthBlockInitFunctionDecl(llvm::StringRef name); 4315e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian Stmt *SynthBlockInitExpr(BlockExpr *Exp, 4325e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian const llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs); 4331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 434621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff void QuoteDoublequotes(std::string &From, std::string &To) { 4351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (unsigned i = 0; i < From.length(); i++) { 436621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (From[i] == '"') 437621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff To += "\\\""; 438621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 439621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff To += From[i]; 440621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 441621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 44277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner }; 4439d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall 4449d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall // Helper function: create a CStyleCastExpr with trivial type source info. 4459d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CStyleCastExpr* NoTypeInfoCStyleCastExpr(ASTContext *Ctx, QualType Ty, 4462de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CastKind Kind, Expr *E) { 4479d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall TypeSourceInfo *TInfo = Ctx->getTrivialTypeSourceInfo(Ty, SourceLocation()); 448f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall return CStyleCastExpr::Create(*Ctx, Ty, Kind, E, 0, TInfo, 449f871d0cc377a1367b519a6cce26be74607566ebaJohn McCall SourceLocation(), SourceLocation()); 4509d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall } 45177cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner} 45277cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 4531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::RewriteBlocksInFunctionProtoType(QualType funcType, 4541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NamedDecl *D) { 45572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (FunctionProtoType *fproto = dyn_cast<FunctionProtoType>(funcType)) { 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = fproto->arg_type_begin(), 45754055232a5ddb9529726e934301b125cb720a273Steve Naroff E = fproto->arg_type_end(); I && (I != E); ++I) 45801f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(*I)) { 45954055232a5ddb9529726e934301b125cb720a273Steve Naroff // All the args are checked/rewritten. Don't call twice! 46054055232a5ddb9529726e934301b125cb720a273Steve Naroff RewriteBlockPointerDecl(D); 46154055232a5ddb9529726e934301b125cb720a273Steve Naroff break; 46254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 46354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 46454055232a5ddb9529726e934301b125cb720a273Steve Naroff} 46554055232a5ddb9529726e934301b125cb720a273Steve Naroff 46654055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::CheckFunctionPointerDecl(QualType funcType, NamedDecl *ND) { 4676217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const PointerType *PT = funcType->getAs<PointerType>(); 46854055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PT && PointerTypeTakesAnyBlockArguments(funcType)) 46972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor RewriteBlocksInFunctionProtoType(PT->getPointeeType(), ND); 47054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 47154055232a5ddb9529726e934301b125cb720a273Steve Naroff 472b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanianstatic bool IsHeaderFile(const std::string &Filename) { 473b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian std::string::size_type DotPos = Filename.rfind('.'); 4741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 475b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian if (DotPos == std::string::npos) { 476b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // no file extension 4771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 478b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian } 4791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 480b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian std::string Ext = std::string(Filename.begin()+DotPos+1, Filename.end()); 481b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // C header: .h 482b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian // C++ header: .hh or .H; 483b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian return Ext == "h" || Ext == "hh" || Ext == "H"; 4841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump} 485b4b2f0c9e80c6613c3e9846da121632ea39bcd5dFariborz Jahanian 48666d6f048471aad6daf67b3ea804b54fbea72a076Eli FriedmanRewriteObjC::RewriteObjC(std::string inFile, llvm::raw_ostream* OS, 487c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman Diagnostic &D, const LangOptions &LOpts, 488c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool silenceMacroWarn) 489c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman : Diags(D), LangOpts(LOpts), InFileName(inFile), OutFile(OS), 490c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman SilenceRewriteMacroWarning(silenceMacroWarn) { 491a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff IsHeader = IsHeaderFile(inFile); 4921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump RewriteFailedDiag = Diags.getCustomDiagID(Diagnostic::Warning, 493a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff "rewriting sub-expression within a macro (may not be correct)"); 4941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TryFinallyContainsReturnDiag = Diags.getCustomDiagID(Diagnostic::Warning, 4958189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek "rewriter doesn't support user-specified control flow semantics " 4968189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek "for @try/@finally (code may not execute properly)"); 497a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff} 498a7b402dc258bf38ab5e206dbf4916a69d3ee3cc8Steve Naroff 499bce831b1ecda51cd1abd3c07467294ffd21f5f86Eli FriedmanASTConsumer *clang::CreateObjCRewriter(const std::string& InFile, 500bce831b1ecda51cd1abd3c07467294ffd21f5f86Eli Friedman llvm::raw_ostream* OS, 5011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diagnostic &Diags, 502c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman const LangOptions &LOpts, 503c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman bool SilenceRewriteMacroWarning) { 504c6d656e2b0491f224ddd48507627b51d630d749aEli Friedman return new RewriteObjC(InFile, OS, Diags, LOpts, SilenceRewriteMacroWarning); 505e365c50a21cb02e0219433db0c4461566ad4a597Chris Lattner} 50677cd2a0b6eea81cc393b4c9e2941ec31fa09fdbeChris Lattner 507b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::Initialize(ASTContext &context) { 5089e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner Context = &context; 5099e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SM = &Context->getSourceManager(); 510ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis TUDecl = Context->getTranslationUnitDecl(); 5119e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendFunctionDecl = 0; 5129e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendSuperFunctionDecl = 0; 5139e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendStretFunctionDecl = 0; 5149e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendSuperStretFunctionDecl = 0; 5159e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MsgSendFpretFunctionDecl = 0; 5169e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner GetClassFunctionDecl = 0; 5179e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner GetMetaClassFunctionDecl = 0; 518d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian GetSuperClassFunctionDecl = 0; 5199e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SelGetUidFunctionDecl = 0; 5209e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner CFStringFunctionDecl = 0; 5219e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner ConstantStringClassReference = 0; 5229e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner NSStringRecord = 0; 52354055232a5ddb9529726e934301b125cb720a273Steve Naroff CurMethodDef = 0; 52454055232a5ddb9529726e934301b125cb720a273Steve Naroff CurFunctionDef = 0; 525abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 526b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff GlobalVarDecl = 0; 5279e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner SuperStructDecl = 0; 528621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolTypeDecl = 0; 5299630ec5b6785e5b6e1c71aeddcad05005beb7483Steve Naroff ConstantStringDecl = 0; 5309e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner BcLabelCount = 0; 531c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff SuperContructorFunctionDecl = 0; 532d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff NumObjCStringLiterals = 0; 53368272b86b36f89d7ceba1ec9a2826c2126adc72eSteve Naroff PropParentMap = 0; 53468272b86b36f89d7ceba1ec9a2826c2126adc72eSteve Naroff CurrentBody = 0; 535b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = false; 536f292fcf6bd5118499a830e0950429effeb373c28Fariborz Jahanian objc_impl_method = false; 5371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5389e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // Get the ID and start/end of the main file. 5399e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileID = SM->getMainFileID(); 5409e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner const llvm::MemoryBuffer *MainBuf = SM->getBuffer(MainFileID); 5419e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileStart = MainBuf->getBufferStart(); 5429e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner MainFileEnd = MainBuf->getBufferEnd(); 5431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5442c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner Rewrite.setSourceMgr(Context->getSourceManager(), Context->getLangOptions()); 5451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5469e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // declaring objc_selector outside the parameter list removes a silly 5479e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner // scope related warning... 548ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff if (IsHeader) 54962c2632c555bc701d41f0eb1803bbf0660d7f0c0Steve Naroff Preamble = "#pragma once\n"; 550ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct objc_selector; struct objc_class;\n"; 55146a98a7df016b4a6835a1902c2f8ff2a3a8012baSteve Naroff Preamble += "struct __rw_objc_super { struct objc_object *object; "; 552ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct objc_object *superClass; "; 553c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff if (LangOpts.Microsoft) { 554c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff // Add a constructor for creating temporary objects. 5558189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Preamble += "__rw_objc_super(struct objc_object *o, struct objc_object *s) " 5568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ": "; 557ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "object(o), superClass(s) {} "; 558c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff } 559ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "};\n"; 560ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef _REWRITER_typedef_Protocol\n"; 561ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "typedef struct objc_object Protocol;\n"; 562ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define _REWRITER_typedef_Protocol\n"; 563ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 5644ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff if (LangOpts.Microsoft) { 5654ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#define __OBJC_RW_DLLIMPORT extern \"C\" __declspec(dllimport)\n"; 5664ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#define __OBJC_RW_STATICIMPORT extern \"C\"\n"; 5674ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff } else 5687c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Preamble += "#define __OBJC_RW_DLLIMPORT extern\n"; 5694ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend"; 570ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5714ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper"; 572ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 5734ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSend_stret"; 574ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5754ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_msgSendSuper_stret"; 576ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_super *, struct objc_selector *, ...);\n"; 5774ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT double objc_msgSend_fpret"; 578ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(struct objc_object *, struct objc_selector *, ...);\n"; 5794ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getClass"; 580ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(const char *);\n"; 581d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian Preamble += "__OBJC_RW_DLLIMPORT struct objc_class *class_getSuperclass"; 582d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian Preamble += "(struct objc_class *);\n"; 5834ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_getMetaClass"; 584ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "(const char *);\n"; 5854ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_throw(struct objc_object *);\n"; 5864ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_enter(void *);\n"; 5874ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_exception_try_exit(void *);\n"; 5884ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT struct objc_object *objc_exception_extract(void *);\n"; 5894ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT int objc_exception_match"; 590580ca7859330f8c92a66b09c21399ed9efa3991eSteve Naroff Preamble += "(struct objc_class *, struct objc_object *);\n"; 59159f05a48a7b0353090da2b8f878c2d760e55731cSteve Naroff // @synchronized hooks. 5924ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_enter(struct objc_object *);\n"; 5934ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_sync_exit(struct objc_object *);\n"; 5944ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT Protocol *objc_getProtocol(const char *);\n"; 595ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef __FASTENUMERATIONSTATE\n"; 596ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct __objcFastEnumerationState {\n\t"; 597ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long state;\n\t"; 598b10f273eb60db2f2205b955fe4f7a43e09a5e2f2Steve Naroff Preamble += "void **itemsPtr;\n\t"; 599ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long *mutationsPtr;\n\t"; 600ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "unsigned long extra[5];\n};\n"; 6014ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void objc_enumerationMutation(struct objc_object *);\n"; 602ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define __FASTENUMERATIONSTATE\n"; 603ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 604ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#ifndef __NSCONSTANTSTRINGIMPL\n"; 605ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "struct __NSConstantStringImpl {\n"; 606ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " int *isa;\n"; 607ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " int flags;\n"; 608ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " char *str;\n"; 609ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " long length;\n"; 610ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "};\n"; 61188bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#ifdef CF_EXPORT_CONSTANT_STRING\n"; 61288bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) int __CFConstantStringClassReference[];\n"; 61388bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#else\n"; 6144ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT int __CFConstantStringClassReference[];\n"; 61588bee7451399c04b7e1c49cdeb16fadf0dd66f58Steve Naroff Preamble += "#endif\n"; 616ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#define __NSCONSTANTSTRINGIMPL\n"; 617ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "#endif\n"; 61854055232a5ddb9529726e934301b125cb720a273Steve Naroff // Blocks preamble. 61954055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#ifndef BLOCK_IMPL\n"; 62054055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#define BLOCK_IMPL\n"; 62154055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "struct __block_impl {\n"; 62254055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " void *isa;\n"; 62354055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " int Flags;\n"; 62401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Preamble += " int Reserved;\n"; 62554055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += " void *FuncPtr;\n"; 62654055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "};\n"; 6275bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff Preamble += "// Runtime copy/destroy helper functions (from Block_private.h)\n"; 628c9c1e9c4b513e83146eff1728142683980df26a7Steve Naroff Preamble += "#ifdef __OBJC_EXPORT_BLOCKS\n"; 6297c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Preamble += "extern \"C\" __declspec(dllexport) " 6307c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "void _Block_object_assign(void *, const void *, const int);\n"; 631a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void _Block_object_dispose(const void *, const int);\n"; 632a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteGlobalBlock[32];\n"; 633a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "extern \"C\" __declspec(dllexport) void *_NSConcreteStackBlock[32];\n"; 634a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "#else\n"; 635cd826370bb146a25bddea48399953dd3077710cfSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_assign(void *, const void *, const int);\n"; 636cd826370bb146a25bddea48399953dd3077710cfSteve Naroff Preamble += "__OBJC_RW_DLLIMPORT void _Block_object_dispose(const void *, const int);\n"; 637a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteGlobalBlock[32];\n"; 638a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "__OBJC_RW_DLLIMPORT void *_NSConcreteStackBlock[32];\n"; 639a851e60b7eb1d51549222ac838b8b602f23ec701Steve Naroff Preamble += "#endif\n"; 64054055232a5ddb9529726e934301b125cb720a273Steve Naroff Preamble += "#endif\n"; 641a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff if (LangOpts.Microsoft) { 6424ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#undef __OBJC_RW_DLLIMPORT\n"; 6434ebd716f260584663297bdb820714788f2a1e4cbSteve Naroff Preamble += "#undef __OBJC_RW_STATICIMPORT\n"; 644553e583e1d30fe30ac2de3526536bbebee6da1ceChris Lattner Preamble += "#ifndef KEEP_ATTRIBUTES\n"; // We use this for clang tests. 645a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff Preamble += "#define __attribute__(X)\n"; 646553e583e1d30fe30ac2de3526536bbebee6da1ceChris Lattner Preamble += "#endif\n"; 64734204195de802e9d3cc8d54355b2ad4b3c27f188Fariborz Jahanian Preamble += "#define __weak\n"; 648a48396e10f75966ed5ca974dcc73907ce8c80deeSteve Naroff } 6492086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian else { 65052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Preamble += "#define __block\n"; 6512086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian Preamble += "#define __weak\n"; 6522086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian } 653df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian // NOTE! Windows uses LLP64 for 64bit mode. So, cast pointer to long long 654df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian // as this avoids warning in any 64bit/32bit compilation model. 655df496529b7009d6e58f335926884200b38d27687Fariborz Jahanian Preamble += "\n#define __OFFSETOFIVAR__(TYPE, MEMBER) ((long long) &((TYPE *)0)->MEMBER)\n"; 6569e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner} 6579e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner 6589e13c2eb681b5d8e14f930b14300caaae22fdb92Chris Lattner 659f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 660f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner// Top Level Driver Code 661f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 662f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 663682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattnervoid RewriteObjC::HandleTopLevelSingleDecl(Decl *D) { 664e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek if (Diags.hasErrorOccurred()) 665e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek return; 666e50187a987dadb6a3b6f673125617c8f42ff3560Ted Kremenek 6672c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // Two cases: either the decl could be in the main file, or it could be in a 6682c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // #included file. If the former, rewrite it now. If the later, check to see 6692c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // if we rewrote the #include/#import. 6702c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner SourceLocation Loc = D->getLocation(); 671f7cf85b330bedd2877e1371fb0a83e99751ae162Chris Lattner Loc = SM->getInstantiationLoc(Loc); 6721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6732c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner // If this is for a builtin, ignore it. 6742c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner if (Loc.isInvalid()) return; 6752c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner 676ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Look for built-in declarations that we need to refer during the rewrite. 677ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 67809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff RewriteFunctionDecl(FD); 679248a753f6b670692523c99afaeb8fe98f7ae3ca7Steve Naroff } else if (VarDecl *FVD = dyn_cast<VarDecl>(D)) { 680beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // declared in <Foundation/NSString.h> 6814087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar if (FVD->getName() == "_NSConstantStringClassReference") { 682beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff ConstantStringClassReference = FVD; 683beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff return; 684beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff } 685a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCInterfaceDecl *MD = dyn_cast<ObjCInterfaceDecl>(D)) { 686bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff RewriteInterfaceDecl(MD); 687a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(D)) { 688423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff RewriteCategoryDecl(CD); 689a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek } else if (ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D)) { 690752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff RewriteProtocolDecl(PD); 6911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (ObjCForwardProtocolDecl *FP = 692a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek dyn_cast<ObjCForwardProtocolDecl>(D)){ 693d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian RewriteForwardProtocolDecl(FP); 694d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor } else if (LinkageSpecDecl *LSD = dyn_cast<LinkageSpecDecl>(D)) { 695d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor // Recurse into linkage specifications 69617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (DeclContext::decl_iterator DI = LSD->decls_begin(), 69717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis DIEnd = LSD->decls_end(); 698d04341000d35c8808a72838b057eed7bf13b7661Douglas Gregor DI != DIEnd; ++DI) 699682bf92db408a6cbc3d37b5496a99b6ef85041ecChris Lattner HandleTopLevelSingleDecl(*DI); 700ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff } 701f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // If we have a decl in the main file, see if we should rewrite it. 702cf7e958483735935de6e0a64aa1e55a967116303Ted Kremenek if (SM->isFromMainFile(Loc)) 7032c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner return HandleDeclInMainFile(D); 7042c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner} 7052c64b7b9381be4ff62fbdc404ed3f14c8086898dChris Lattner 706f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 707f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner// Syntactic (non-AST) Rewriting Code 708f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner//===----------------------------------------------------------------------===// 709f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 710b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteInclude() { 7112b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner SourceLocation LocStart = SM->getLocForStartOfFile(MainFileID); 712f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer llvm::StringRef MainBuf = SM->getBufferData(MainFileID); 713f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer const char *MainBufStart = MainBuf.begin(); 714f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer const char *MainBufEnd = MainBuf.end(); 715452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian size_t ImportLen = strlen("import"); 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 717af57b46f12e9dd48485fa27f2088f85466ee9292Fariborz Jahanian // Loop over the whole file, looking for includes. 718452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian for (const char *BufPtr = MainBufStart; BufPtr < MainBufEnd; ++BufPtr) { 719452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (*BufPtr == '#') { 720452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (++BufPtr == MainBufEnd) 721452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian return; 722452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian while (*BufPtr == ' ' || *BufPtr == '\t') 723452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (++BufPtr == MainBufEnd) 724452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian return; 725452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian if (!strncmp(BufPtr, "import", ImportLen)) { 726452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian // replace import with include 7271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation ImportLoc = 728452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian LocStart.getFileLocWithOffset(BufPtr-MainBufStart); 729d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(ImportLoc, ImportLen, "include"); 730452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian BufPtr += ImportLen; 731452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 732452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 733452b899c9f5fbcb8ddd130375b7982bed6b4d93fFariborz Jahanian } 7348a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner} 7358a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner 736eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroffstatic std::string getIvarAccessString(ObjCInterfaceDecl *ClassDecl, 737eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCIvarDecl *OID) { 738eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff std::string S; 739eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S = "((struct "; 740eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S += ClassDecl->getIdentifier()->getName(); 741eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff S += "_IMPL *)self)->"; 7425ffe14ca96bd662de7820f6875d3f04789a640c1Daniel Dunbar S += OID->getName(); 743eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return S; 744eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff} 745eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff 746a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroffvoid RewriteObjC::RewritePropertyImplDecl(ObjCPropertyImplDecl *PID, 747a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCImplementationDecl *IMD, 748a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff ObjCCategoryImplDecl *CID) { 7497c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian static bool objcGetPropertyDefined = false; 7507c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian static bool objcSetPropertyDefined = false; 751d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff SourceLocation startLoc = PID->getLocStart(); 752d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, "// "); 753eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 754eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff assert((*startBuf == '@') && "bogus @synthesize location"); 755eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 756eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff assert((*semiBuf == ';') && "@synthesize: can't find ';'"); 7578189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation onePastSemiLoc = 7588189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 759eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff 760eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff if (PID->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 761eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return; // FIXME: is this correct? 7621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 763eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff // Generate the 'getter' function. 764eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCPropertyDecl *PD = PID->getPropertyDecl(); 765eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCInterfaceDecl *ClassDecl = PD->getGetterMethodDecl()->getClassInterface(); 766eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff ObjCIvarDecl *OID = PID->getPropertyIvarDecl(); 7671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 768dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff if (!OID) 769dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff return; 7707c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian unsigned Attributes = PD->getPropertyAttributes(); 7717c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian bool GenGetProperty = !(Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) && 7727c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian (Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 7737c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy)); 774dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff std::string Getr; 7757c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenGetProperty && !objcGetPropertyDefined) { 7767c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian objcGetPropertyDefined = true; 7777c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 7787c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr = "\nextern \"C\" __declspec(dllimport) " 7797c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "id objc_getProperty(id, SEL, long, bool);\n"; 7807c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 781dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff RewriteObjCMethodDecl(PD->getGetterMethodDecl(), Getr); 782dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff Getr += "{ "; 783dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 7843539cdb98b1132d30795f932920ff1c90f94b4e8Steve Naroff // See objc-act.c:objc_synthesize_new_getter() for details. 7857c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenGetProperty) { 7867c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian // return objc_getProperty(self, _cmd, offsetof(ClassDecl, OID), 1) 7877c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "typedef "; 7887c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *FPRetType = 0; 7897c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian RewriteTypeIntoString(PD->getGetterMethodDecl()->getResultType(), Getr, 7907c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian FPRetType); 7917c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += " _TYPE"; 7927c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (FPRetType) { 7937c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += ")"; // close the precedence "scope" for "*". 7947c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 7957c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian // Now, emit the argument types (if any). 796fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)){ 7977c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "("; 7987c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 7997c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (i) Getr += ", "; 800fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string ParamStr = FT->getArgType(i).getAsString( 801fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 8027c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += ParamStr; 8037c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8047c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (FT->isVariadic()) { 8057c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (FT->getNumArgs()) Getr += ", "; 8067c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "..."; 8077c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8087c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += ")"; 8097c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } else 8107c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "()"; 8117c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8127c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += ";\n"; 8137c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "return (_TYPE)"; 8147c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "objc_getProperty(self, _cmd, "; 8157c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian SynthesizeIvarOffsetComputation(ClassDecl, OID, Getr); 8167c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += ", 1)"; 8177c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8187c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8197c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Getr += "return " + getIvarAccessString(ClassDecl, OID); 820dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff Getr += "; }"; 821d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, Getr); 822eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff if (PD->isReadOnly()) 823eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff return; 8241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 825eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff // Generate the 'setter' function. 826eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff std::string Setr; 8277c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian bool GenSetProperty = Attributes & (ObjCPropertyDecl::OBJC_PR_retain | 8287c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ObjCPropertyDecl::OBJC_PR_copy); 8297c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenSetProperty && !objcSetPropertyDefined) { 8307c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian objcSetPropertyDefined = true; 8317c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian // FIXME. Is this attribute correct in all cases? 8327c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr = "\nextern \"C\" __declspec(dllimport) " 8337c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian "void objc_setProperty (id, SEL, long, id, bool, bool);\n"; 8347c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8357c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 836eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff RewriteObjCMethodDecl(PD->getSetterMethodDecl(), Setr); 837eb0646c8df1c5c8de62b622d13d0c9f19aa29277Steve Naroff Setr += "{ "; 838dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff // Synthesize an explicit cast to initialize the ivar. 83915f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // See objc-act.c:objc_synthesize_new_setter() for details. 8407c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (GenSetProperty) { 8417c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "objc_setProperty (self, _cmd, "; 8427c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian SynthesizeIvarOffsetComputation(ClassDecl, OID, Setr); 8437c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += ", (id)"; 8444087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Setr += PD->getName(); 8457c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += ", "; 8467c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_nonatomic) 8477c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "0, "; 8487c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8497c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "1, "; 8507c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (Attributes & ObjCPropertyDecl::OBJC_PR_copy) 8517c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "1)"; 8527c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else 8537c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += "0)"; 8547c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 8557c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else { 8567c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian Setr += getIvarAccessString(ClassDecl, OID) + " = "; 8574087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Setr += PD->getName(); 8587c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian } 859dd2fdf13f11f93a8bd271807db25c71191914807Steve Naroff Setr += "; }"; 860d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, Setr); 861d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff} 8628a12c2777cccdf629b89745b6ecc89a8c1641e4eChris Lattner 863b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteForwardClassDecl(ObjCClassDecl *ClassDecl) { 864f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Get the start location and compute the semi location. 865f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner SourceLocation startLoc = ClassDecl->getLocation(); 866f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner const char *startBuf = SM->getCharacterData(startLoc); 867f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner const char *semiPtr = strchr(startBuf, ';'); 8681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 869f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // Translate to typedef's that forward reference structs with the same name 870f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // as the class. As a convenience, we include the original declaration 871f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner // as a comment. 872f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner std::string typedefString; 87391fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += "// @class "; 87491fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian for (ObjCClassDecl::iterator I = ClassDecl->begin(), E = ClassDecl->end(); 87591fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian I != E; ++I) { 87691fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian ObjCInterfaceDecl *ForwardDecl = I->getInterface(); 87791fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ForwardDecl->getNameAsString(); 87891fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian if (I+1 != E) 87991fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ", "; 88091fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian else 88191fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian typedefString += ";\n"; 88291fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian } 88391fbd12d8b6e60b72883ff4c42e2a0993087f876Fariborz Jahanian 88467956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner for (ObjCClassDecl::iterator I = ClassDecl->begin(), E = ClassDecl->end(); 88567956052ea5fb0cd7f443de96a11f9a0176dc681Chris Lattner I != E; ++I) { 886321c22f1c4271c3d9a3d4d3fc18847f948ab595bTed Kremenek ObjCInterfaceDecl *ForwardDecl = I->getInterface(); 88732174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "#ifndef _REWRITER_typedef_"; 888d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 88932174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "\n"; 89032174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "#define _REWRITER_typedef_"; 891d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 89232174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += "\n"; 893352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff typedefString += "typedef struct objc_object "; 894d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner typedefString += ForwardDecl->getNameAsString(); 89532174826f58d38c20f376fe64ceac4a278133883Steve Naroff typedefString += ";\n#endif\n"; 896934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 8971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 898934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Replace the @class with typedefs corresponding to the classes. 899d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, semiPtr-startBuf+1, typedefString); 900f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner} 901f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner 902b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteMethodDeclaration(ObjCMethodDecl *Method) { 903d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian // When method is a synthesized one, such as a getter/setter there is 904d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian // nothing to rewrite. 905d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian if (Method->isSynthesized()) 906d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian return; 90758dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation LocStart = Method->getLocStart(); 90858dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff SourceLocation LocEnd = Method->getLocEnd(); 9091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 91030fc933e5fbbb5f0ea60c47976d435254e378536Chris Lattner if (SM->getInstantiationLineNumber(LocEnd) > 91130fc933e5fbbb5f0ea60c47976d435254e378536Chris Lattner SM->getInstantiationLineNumber(LocStart)) { 912d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocStart, "#if 0\n"); 913d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocEnd, 1, ";\n#endif\n"); 91458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff } else { 915d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocStart, "// "); 916423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff } 917423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff} 918423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::RewriteProperty(ObjCPropertyDecl *prop) { 920d0502407c1b41b2ace326f355d7b7a6876246223Fariborz Jahanian SourceLocation Loc = prop->getAtLoc(); 9211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 922d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(Loc, 0, "// "); 9236327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff // FIXME: handle properties that are declared across multiple lines. 924957cf65bf32fe7c84886a2296d0b4ede40029850Fariborz Jahanian} 925957cf65bf32fe7c84886a2296d0b4ede40029850Fariborz Jahanian 926b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteCategoryDecl(ObjCCategoryDecl *CatDecl) { 927423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff SourceLocation LocStart = CatDecl->getLocStart(); 9281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 929423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // FIXME: handle category headers that are declared across multiple lines. 930d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 9311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 93213751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian for (ObjCCategoryDecl::prop_iterator I = CatDecl->prop_begin(), 93313751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian E = CatDecl->prop_end(); I != E; ++I) 93413751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian RewriteProperty(*I); 93513751e3edc7fe50b0ab4e0f5fe7501e81c83c795Fariborz Jahanian 9361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCCategoryDecl::instmeth_iterator 9371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = CatDecl->instmeth_begin(), E = CatDecl->instmeth_end(); 9386ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 93958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 9401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCCategoryDecl::classmeth_iterator 94117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = CatDecl->classmeth_begin(), E = CatDecl->classmeth_end(); 9426ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 94358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 94458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 945423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff // Lastly, comment out the @end. 94673d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(CatDecl->getAtEndRange().getBegin(), 94773d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian strlen("@end"), "/* @end */"); 948423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff} 949423cb565abc681b770fb4b9b4bc24d398c98157bSteve Naroff 950b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteProtocolDecl(ObjCProtocolDecl *PDecl) { 951752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff SourceLocation LocStart = PDecl->getLocStart(); 9521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 953752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff // FIXME: handle protocol headers that are declared across multiple lines. 954d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 9551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::instmeth_iterator 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 9586ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 95958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 9606ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor for (ObjCProtocolDecl::classmeth_iterator 96117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 9626ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 96358dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 96458dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 96507acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian for (ObjCInterfaceDecl::prop_iterator I = PDecl->prop_begin(), 96607acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian E = PDecl->prop_end(); I != E; ++I) 96707acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian RewriteProperty(*I); 96807acdf4c776fd98e315bc1de380af8ba3c25559eFariborz Jahanian 969752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff // Lastly, comment out the @end. 970782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek SourceLocation LocEnd = PDecl->getAtEndRange().getBegin(); 97173d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(LocEnd, strlen("@end"), "/* @end */"); 9728cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff 973b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian // Must comment out @optional/@required 974b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 975b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 976b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian for (const char *p = startBuf; p < endBuf; p++) { 977b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian if (*p == '@' && !strncmp(p+1, "optional", strlen("optional"))) { 9788cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff SourceLocation OptionalLoc = LocStart.getFileLocWithOffset(p-startBuf); 979d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(OptionalLoc, strlen("@optional"), "/* @optional */"); 9801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 981b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 982b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian else if (*p == '@' && !strncmp(p+1, "required", strlen("required"))) { 9838cc764c67afc249628ba4f65b8e2d2ad461112ffSteve Naroff SourceLocation OptionalLoc = LocStart.getFileLocWithOffset(p-startBuf); 984d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(OptionalLoc, strlen("@required"), "/* @required */"); 9851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 986b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 987b82b3ea8a12e4bc5960f59c1c2b9f483af5471e8Fariborz Jahanian } 988752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff} 989752d6ef8c886b4de3365efef15449cd6f939baf1Steve Naroff 990b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteForwardProtocolDecl(ObjCForwardProtocolDecl *PDecl) { 991d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian SourceLocation LocStart = PDecl->getLocation(); 992b7fa992be16668b61f722e6e125137216860469eSteve Naroff if (LocStart.isInvalid()) 993b7fa992be16668b61f722e6e125137216860469eSteve Naroff assert(false && "Invalid SourceLocation"); 994d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian // FIXME: handle forward protocol that are declared across multiple lines. 995d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 0, "// "); 996d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian} 997d175ddfdbefff8646982dfd4afc5bdf6edbc9e67Fariborz Jahanian 9987c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanianvoid RewriteObjC::RewriteTypeIntoString(QualType T, std::string &ResultStr, 9997c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *&FPRetType) { 10007c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian if (T->isObjCQualifiedIdType()) 1001c569249ca0ab755ac79d8cbbfcb2bcae19743624Fariborz Jahanian ResultStr += "id"; 10027c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian else if (T->isFunctionPointerType() || 10037c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian T->isBlockPointerType()) { 100476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // needs special handling, since pointer-to-functions have special 100576e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // syntax (where a decaration models use). 10067c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian QualType retType = T; 1007f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff QualType PointeeTy; 10086217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType* PT = retType->getAs<PointerType>()) 1009f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff PointeeTy = PT->getPointeeType(); 10106217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek else if (const BlockPointerType *BPT = retType->getAs<BlockPointerType>()) 1011f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff PointeeTy = BPT->getPointeeType(); 1012183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if ((FPRetType = PointeeTy->getAs<FunctionType>())) { 1013fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += FPRetType->getResultType().getAsString( 1014fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 1015f4312dc9b690fc79039560c125e9e3f8ea8a478eSteve Naroff ResultStr += "(*"; 101676e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 101776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } else 1018fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += T.getAsString(Context->PrintingPolicy); 10197c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian} 10207c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 10217c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanianvoid RewriteObjC::RewriteObjCMethodDecl(ObjCMethodDecl *OMD, 10227c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian std::string &ResultStr) { 10237c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian //fprintf(stderr,"In RewriteObjCMethodDecl\n"); 10247c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian const FunctionType *FPRetType = 0; 10257c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian ResultStr += "\nstatic "; 10267c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian RewriteTypeIntoString(OMD->getResultType(), ResultStr, FPRetType); 1027531a1ea2f4c88817f3dc0f4628dfc34536f54c5eFariborz Jahanian ResultStr += " "; 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 102948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Unique method name 1030b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian std::string NameStr; 10311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1032f8d49f64ef6ab7e632717a31631fc289aab69428Douglas Gregor if (OMD->isInstanceMethod()) 1033b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_I_"; 103448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian else 1035b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_C_"; 10361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1037d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner NameStr += OMD->getClassInterface()->getNameAsString(); 1038b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_"; 10391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ObjCCategoryImplDecl *CID = 10413e0a540b6d846178857289ec0eb8470a278d11a3Steve Naroff dyn_cast<ObjCCategoryImplDecl>(OMD->getDeclContext())) { 1042d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner NameStr += CID->getNameAsString(); 1043b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += "_"; 104448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Append selector names, replacing ':' with '_' 1046077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner { 1047077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner std::string selString = OMD->getSelector().getAsString(); 104848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian int len = selString.size(); 104948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian for (int i = 0; i < len; i++) 105048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian if (selString[i] == ':') 105148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian selString[i] = '_'; 1052b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian NameStr += selString; 105348a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 1054b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian // Remember this name for metadata emission 1055b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian MethodInternalNames[OMD] = NameStr; 1056b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian ResultStr += NameStr; 10571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 105848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Rewrite arguments 105948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += "("; 10601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 106148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // invisible arguments 1062f8d49f64ef6ab7e632717a31631fc289aab69428Douglas Gregor if (OMD->isInstanceMethod()) { 1063a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType selfTy = Context->getObjCInterfaceType(OMD->getClassInterface()); 106448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian selfTy = Context->getPointerType(selfTy); 106505b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff if (!LangOpts.Microsoft) { 106605b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff if (ObjCSynthesizedStructs.count(OMD->getClassInterface())) 106705b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff ResultStr += "struct "; 106805b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff } 106905b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff // When rewriting for Microsoft, explicitly omit the structure name. 1070d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += OMD->getClassInterface()->getNameAsString(); 107161ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff ResultStr += " *"; 107248a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 107348a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian else 1074fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += Context->getObjCClassType().getAsString( 1075fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 10761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 107748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += " self, "; 1078fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ResultStr += Context->getObjCSelType().getAsString(Context->PrintingPolicy); 107948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += " _cmd"; 10801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 108148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian // Method arguments. 108289951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 108389951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) { 108489951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PDecl = *PI; 108548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian ResultStr += ", "; 1086543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff if (PDecl->getType()->isObjCQualifiedIdType()) { 1087543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff ResultStr += "id "; 1088d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += PDecl->getNameAsString(); 1089543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff } else { 1090d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = PDecl->getNameAsString(); 10914fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QualType QT = PDecl->getType(); 10924fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 10934fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 10944fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QT.getAsStringInternal(Name, Context->PrintingPolicy); 10954fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian else 1096d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor PDecl->getType().getAsStringInternal(Name, Context->PrintingPolicy); 1097543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff ResultStr += Name; 1098543409e200234a1c97ea38b9d52bce22ff807080Steve Naroff } 109948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 11007c39ff7eb3dd7ae9b2b81cb66a139c9b52f47f1dFariborz Jahanian if (OMD->isVariadic()) 11017c39ff7eb3dd7ae9b2b81cb66a139c9b52f47f1dFariborz Jahanian ResultStr += ", ..."; 1102531a1ea2f4c88817f3dc0f4628dfc34536f54c5eFariborz Jahanian ResultStr += ") "; 11031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FPRetType) { 110576e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ")"; // close the precedence "scope" for "*". 11061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 110776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff // Now, emit the argument types (if any). 110872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (const FunctionProtoType *FT = dyn_cast<FunctionProtoType>(FPRetType)) { 110976e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "("; 111076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff for (unsigned i = 0, e = FT->getNumArgs(); i != e; ++i) { 111176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (i) ResultStr += ", "; 1112fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string ParamStr = FT->getArgType(i).getAsString( 1113fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar Context->PrintingPolicy); 111476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ParamStr; 111576e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 111676e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FT->isVariadic()) { 111776e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff if (FT->getNumArgs()) ResultStr += ", "; 111876e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "..."; 111976e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 112076e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += ")"; 112176e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } else { 112276e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff ResultStr += "()"; 112376e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 112476e429d781a8871afb5050f39ab8e00e72bdf2f8Steve Naroff } 112548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian} 11264afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorvoid RewriteObjC::RewriteImplementationDecl(Decl *OID) { 1127a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCImplementationDecl *IMD = dyn_cast<ObjCImplementationDecl>(OID); 1128a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(OID); 11291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1130a135216595c00ddb5ce5f5b853a3d1f4037a13b7Fariborz Jahanian InsertText(IMD ? IMD->getLocStart() : CID->getLocStart(), "// "); 11311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1132a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek for (ObjCCategoryImplDecl::instmeth_iterator 113317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->instmeth_begin() : CID->instmeth_begin(), 113417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = IMD ? IMD->instmeth_end() : CID->instmeth_end(); 1135653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 113648a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian std::string ResultStr; 1137a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *OMD = *I; 1138a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCMethodDecl(OMD, ResultStr); 113948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 11406fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 1141d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl 114248a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 114348a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1144d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, ResultStr); 114548a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1147a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek for (ObjCCategoryImplDecl::classmeth_iterator 114817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->classmeth_begin() : CID->classmeth_begin(), 114917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = IMD ? IMD->classmeth_end() : CID->classmeth_end(); 1150653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 115148a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian std::string ResultStr; 1152a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCMethodDecl *OMD = *I; 1153a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCMethodDecl(OMD, ResultStr); 115448a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian SourceLocation LocStart = OMD->getLocStart(); 11556fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis SourceLocation LocEnd = OMD->getCompoundBody()->getLocStart(); 11561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 115748a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 115848a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 1159d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, ResultStr); 116048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian } 1161d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff for (ObjCCategoryImplDecl::propimpl_iterator 116217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = IMD ? IMD->propimpl_begin() : CID->propimpl_begin(), 11631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump E = IMD ? IMD->propimpl_end() : CID->propimpl_end(); 1164653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor I != E; ++I) { 1165a0876e88aff05e8fc0492d216c17bff16de31a37Steve Naroff RewritePropertyImplDecl(*I, IMD, CID); 1166d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff } 1167d40910b581b09c937a8c1fdcde9b8ec724398fb9Steve Naroff 1168d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(IMD ? IMD->getLocEnd() : CID->getLocEnd(), "// "); 116948a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian} 117048a0b6aa9d23bba2bd4ad943ad59106a91f8b3f7Fariborz Jahanian 1171b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteInterfaceDecl(ObjCInterfaceDecl *ClassDecl) { 1172f908a87299d278164540f90b5b6e6cab7b14fb41Steve Naroff std::string ResultStr; 1173a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCForwardDecls.count(ClassDecl)) { 11746c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff // we haven't seen a forward decl - generate a typedef. 11755086a8df9a269acc2e4f0deb1895d4a9e9d13f4dSteve Naroff ResultStr = "#ifndef _REWRITER_typedef_"; 1176d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 117732174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "\n"; 117832174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "#define _REWRITER_typedef_"; 1179d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 118032174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += "\n"; 118161ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff ResultStr += "typedef struct objc_object "; 1182d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ResultStr += ClassDecl->getNameAsString(); 118332174826f58d38c20f376fe64ceac4a278133883Steve Naroff ResultStr += ";\n#endif\n"; 11846c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff // Mark this typedef as having been generated. 1185a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCForwardDecls.insert(ClassDecl); 11866c6a2dbb4db96a69d6f1c2e3d322e4c3abd43814Steve Naroff } 1187a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek SynthesizeObjCInternalStruct(ClassDecl, ResultStr); 11881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::prop_iterator I = ClassDecl->prop_begin(), 119017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis E = ClassDecl->prop_end(); I != E; ++I) 11916327e0d55c590b3c2766fa76ef1db241a0467df2Steve Naroff RewriteProperty(*I); 11921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::instmeth_iterator 119317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = ClassDecl->instmeth_begin(), E = ClassDecl->instmeth_end(); 11946ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 119558dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 11961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCInterfaceDecl::classmeth_iterator 11971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = ClassDecl->classmeth_begin(), E = ClassDecl->classmeth_end(); 11986ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor I != E; ++I) 119958dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff RewriteMethodDeclaration(*I); 120058dbdeb69c063f82d644504fc638120198f7fad2Steve Naroff 12012feac5e559ca5c9693a3a19905ab106b9c52e193Steve Naroff // Lastly, comment out the @end. 120273d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian ReplaceText(ClassDecl->getAtEndRange().getBegin(), strlen("@end"), 120373d1eb064350d5310f0475366cbe54d2d1da27bbFariborz Jahanian "/* @end */"); 1204bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff} 1205bef1185418705e16012b3dd50cd7c260c8d6b79cSteve Naroff 1206b619d957b020744bb6bfdd1cef8169d8042df43eSteve NaroffStmt *RewriteObjC::RewritePropertySetter(BinaryOperator *BinOp, Expr *newStmt, 1207b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange) { 1208c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr. 1209c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // This allows us to reuse all the fun and games in SynthMessageExpr(). 1210c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff ObjCPropertyRefExpr *PropRefExpr = dyn_cast<ObjCPropertyRefExpr>(BinOp->getLHS()); 1211c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff ObjCMessageExpr *MsgExpr; 1212c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff ObjCPropertyDecl *PDecl = PropRefExpr->getProperty(); 1213c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff llvm::SmallVector<Expr *, 1> ExprVec; 1214c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff ExprVec.push_back(newStmt); 12151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12168599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Stmt *Receiver = PropRefExpr->getBase(); 12178599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(Receiver); 12188599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PRE && PropGetters[PRE]) { 12198599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // This allows us to handle chain/nested property getters. 12208599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Receiver = PropGetters[PRE]; 12218599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 122204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (isa<ObjCSuperExpr>(Receiver)) 122304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 122404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getType().getNonReferenceType(), 122504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME?*/SourceLocation(), 122604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Receiver->getLocStart(), 122704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*IsInstanceSuper=*/true, 122804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver)->getType(), 122904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getSetterName(), 123004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getSetterMethodDecl(), 123104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ExprVec[0], 1, 123204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 123304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor else 123404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 123504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getType().getNonReferenceType(), 123604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME: */SourceLocation(), 123704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver), 123804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getSetterName(), 123904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getSetterMethodDecl(), 124004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ExprVec[0], 1, 124104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 1242c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *ReplacingStmt = SynthMessageExpr(MsgExpr); 12431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1244c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Now do the actual rewrite. 1245b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff ReplaceStmtWithRange(BinOp, ReplacingStmt, SrcRange); 1246e58ee0ca7cfad6ee75a088e7a6a090526e18da50Steve Naroff //delete BinOp; 12478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 12488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 12498189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 1250c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff return ReplacingStmt; 125115f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff} 125215f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 1253c77a636688e188af7e7a9a05829e542adb48e880Steve NaroffStmt *RewriteObjC::RewritePropertyGetter(ObjCPropertyRefExpr *PropRefExpr) { 125415f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // Synthesize a ObjCMessageExpr from a ObjCPropertyRefExpr. 125515f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff // This allows us to reuse all the fun and games in SynthMessageExpr(). 125615f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff ObjCMessageExpr *MsgExpr; 125715f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff ObjCPropertyDecl *PDecl = PropRefExpr->getProperty(); 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12598599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Stmt *Receiver = PropRefExpr->getBase(); 12601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12618599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(Receiver); 12628599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PRE && PropGetters[PRE]) { 12638599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // This allows us to handle chain/nested property getters. 12648599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Receiver = PropGetters[PRE]; 12658599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 126604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 126704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (isa<ObjCSuperExpr>(Receiver)) 126804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 126904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getType().getNonReferenceType(), 127004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation(), 127104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Receiver->getLocStart(), 127204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*IsInstanceSuper=*/true, 127304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver)->getType(), 127404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getGetterName(), 127504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getGetterMethodDecl(), 127604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 0, 0, 127704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 127804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor else 127904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExpr = ObjCMessageExpr::Create(*Context, 128004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getType().getNonReferenceType(), 128104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation(), 128204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor cast<Expr>(Receiver), 128304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getGetterName(), 128404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor PDecl->getGetterMethodDecl(), 128504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 0, 0, 128604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor /*FIXME:*/SourceLocation()); 128715f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 12884c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff Stmt *ReplacingStmt = SynthMessageExpr(MsgExpr); 12898599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff 12908599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (!PropParentMap) 12918599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = new ParentMap(CurrentBody); 12928599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff 12938599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff Stmt *Parent = PropParentMap->getParent(PropRefExpr); 12948599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (Parent && isa<ObjCPropertyRefExpr>(Parent)) { 12958599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // We stash away the ReplacingStmt since actually doing the 12968599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff // replacement/rewrite won't work for nested getters (e.g. obj.p.i) 12978599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropGetters[PropRefExpr] = ReplacingStmt; 12988189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // NOTE: We don't want to call MsgExpr->Destroy(), as it holds references 12998189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek // to things that stay around. 13008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Context->Deallocate(MsgExpr); 13018599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff return PropRefExpr; // return the original... 13028599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } else { 13038599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff ReplaceStmt(PropRefExpr, ReplacingStmt); 13041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // delete PropRefExpr; elsewhere... 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); 13088599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff return ReplacingStmt; 13098599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 131015f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff} 131115f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff 13121eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpStmt *RewriteObjC::RewriteObjCIvarRefExpr(ObjCIvarRefExpr *IV, 13132b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian SourceLocation OrigStart, 13142b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool &replaced) { 1315a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCIvarDecl *D = IV->getDecl(); 131684ed600154d48d75f204795410aae808d7e4b7bdFariborz Jahanian const Expr *BaseExpr = IV->getBase(); 131754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (CurMethodDef) { 13188f0954309eb885891908ecdfbb06d720c63128edFariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 13198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ObjCInterfaceType *iFaceDecl = 132084ed600154d48d75f204795410aae808d7e4b7bdFariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 1321ffbdead156eb0bc94d1cc7e28eadcca52dfb8194Fariborz Jahanian assert(iFaceDecl && "RewriteObjCIvarRefExpr - iFaceDecl is null"); 1322f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // lookup which class implements the instance variable. 1323f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff ObjCInterfaceDecl *clsDeclared = 0; 13241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 13256ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor clsDeclared); 1326f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 13271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1328f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 1329f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff std::string RecName = clsDeclared->getIdentifier()->getName(); 1330f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff RecName += "_IMPL"; 1331d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer IdentifierInfo *II = &Context->Idents.get(RecName); 1332465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 1333df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek SourceLocation(), II); 1334f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 1335f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 13369d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 13372de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 13389d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall IV->getBase()); 1339f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff // Don't forget the parens to enforce the proper binding. 13408189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 13418189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek IV->getBase()->getLocEnd(), 13428189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek castExpr); 13432b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced = true; 13441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IV->isFreeIvar() && 134554055232a5ddb9529726e934301b125cb720a273Steve Naroff CurMethodDef->getClassInterface() == iFaceDecl->getDecl()) { 13468189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek MemberExpr *ME = new (Context) MemberExpr(PE, true, D, 13478189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek IV->getLocation(), 13488189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek D->getType()); 13494c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // delete IV; leak for now, see RewritePropertySetter() usage for more info. 1350f07576130b93ba7150e04b8bc38aad96a283d074Steve Naroff return ME; 1351c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 13527e20ffe322866f6a2e820e054da9bd0f6e9b0af4Fariborz Jahanian // Get the new text 13533b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // Cannot delete IV->getBase(), since PE points to it. 13543b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // Replace the old base with the cast. This is important when doing 13553b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner // embedded rewrites. For example, [newInv->_container addObject:0]. 13561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IV->setBase(PE); 13573b2c58ce3b1eadc5901efff30cf8bf1885936fe7Chris Lattner return IV; 1358c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 135984472a897a99db80d49eb5ac1ac85d54b1cc6554Steve Naroff } else { // we are outside a method. 13609f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(!IV->isFreeIvar() && "Cannot have a free standing ivar outside a method"); 13611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13629f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Explicit ivar refs need to have a cast inserted. 13639f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // FIXME: consider sharing some of this code with the code above. 136426337b2f6d4b8dc7458a6e24dca05cb021a21861Fariborz Jahanian if (BaseExpr->getType()->isObjCObjectPointerType()) { 1365c374cd978abdeb289d360426129886f6e354a459Fariborz Jahanian ObjCInterfaceType *iFaceDecl = 1366c374cd978abdeb289d360426129886f6e354a459Fariborz Jahanian dyn_cast<ObjCInterfaceType>(BaseExpr->getType()->getPointeeType()); 13679f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // lookup which class implements the instance variable. 13689f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff ObjCInterfaceDecl *clsDeclared = 0; 13691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump iFaceDecl->getDecl()->lookupInstanceVariable(D->getIdentifier(), 13706ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor clsDeclared); 13719f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(clsDeclared && "RewriteObjCIvarRefExpr(): Can't find class"); 13721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13739f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Synthesize an explicit cast to gain access to the ivar. 13749f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff std::string RecName = clsDeclared->getIdentifier()->getName(); 13759f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff RecName += "_IMPL"; 1376d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer IdentifierInfo *II = &Context->Idents.get(RecName); 1377465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 1378df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek SourceLocation(), II); 13799f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff assert(RD && "RewriteObjCIvarRefExpr(): Can't find RecordDecl"); 13809f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 13819d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, castT, 13822de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 13839d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall IV->getBase()); 13849f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Don't forget the parens to enforce the proper binding. 13858189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(IV->getBase()->getLocStart(), 13868d36616a093f65f667d22bc1136a4c2be0bae7dfChris Lattner IV->getBase()->getLocEnd(), castExpr); 13872b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced = true; 13889f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Cannot delete IV->getBase(), since PE points to it. 13899f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // Replace the old base with the cast. This is important when doing 13909f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff // embedded rewrites. For example, [newInv->_container addObject:0]. 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IV->setBase(PE); 13929f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff return IV; 13939f525970bec0e29f32cec6141aa3baa245c5ae82Steve Naroff } 1394c2a689b0bd0cda7bc1522dc0057f01f0897e6d3dSteve Naroff } 139584472a897a99db80d49eb5ac1ac85d54b1cc6554Steve Naroff return IV; 13967e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff} 13977e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff 13982b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz JahanianStmt *RewriteObjC::RewriteObjCNestedIvarRefExpr(Stmt *S, bool &replaced) { 13992b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 14002b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian CI != E; ++CI) { 14012b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (*CI) { 14022b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt = RewriteObjCNestedIvarRefExpr(*CI, replaced); 14032b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (newStmt) 14042b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian *CI = newStmt; 14052b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 14062b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 14072b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 14082b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian SourceRange OrigStmtRange = S->getSourceRange(); 14092b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt = RewriteObjCIvarRefExpr(IvarRefExpr, OrigStmtRange.getBegin(), 14102b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian replaced); 14112b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian return newStmt; 1412376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian } 1413376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian if (ObjCMessageExpr *MsgRefExpr = dyn_cast<ObjCMessageExpr>(S)) { 1414376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian Stmt *newStmt = SynthMessageExpr(MsgRefExpr); 1415376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian return newStmt; 1416376338a68d467f076c2ae5fa614ec0286ea74d7cFariborz Jahanian } 14172b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian return S; 14182b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian} 14192b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian 1420fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// SynthCountByEnumWithState - To print: 1421fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// ((unsigned int (*) 1422fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// (void *)objc_msgSend)((id)l_collection, 1424fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// sel_registerName( 14251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// "countByEnumeratingWithState:objects:count:"), 14261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// &enumState, 1427fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// (id *)items, (unsigned int)16) 1428fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1429fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroffvoid RewriteObjC::SynthCountByEnumWithState(std::string &buf) { 1430fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "((unsigned int (*) (id, SEL, struct __objcFastEnumerationState *, " 1431fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff "id *, unsigned int))(void *)objc_msgSend)"; 1432fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "\n\t\t"; 1433fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "((id)l_collection,\n\t\t"; 1434fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "sel_registerName(\"countByEnumeratingWithState:objects:count:\"),"; 1435fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "\n\t\t"; 1436fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += "&enumState, " 1437fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff "(id *)items, (unsigned int)16)"; 1438fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 1439b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff 1440fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// RewriteBreakStmt - Rewrite for a break-stmt inside an ObjC2's foreach 1441fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// statement to exit to its outer synthesized loop. 1442fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1443fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteBreakStmt(BreakStmt *S) { 1444fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 1445fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 1446fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // replace break with goto __break_label 1447fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string buf; 14481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1449fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = S->getLocStart(); 1450fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf = "goto __break_label_"; 1451fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += utostr(ObjCBcLabelNo.back()); 1452d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, strlen("break"), buf); 14532bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff 1454fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return 0; 1455fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 1456a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian 1457fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// RewriteContinueStmt - Rewrite for a continue-stmt inside an ObjC2's foreach 1458fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// statement to continue with its inner synthesized loop. 1459fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// 1460fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteContinueStmt(ContinueStmt *S) { 1461fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 1462fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 1463fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // replace continue with goto __continue_label 1464fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string buf; 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1466fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = S->getLocStart(); 1467fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf = "goto __continue_label_"; 1468fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff buf += utostr(ObjCBcLabelNo.back()); 1469d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, strlen("continue"), buf); 14701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1471e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian return 0; 1472e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian} 1473e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian 1474a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// RewriteObjCForCollectionStmt - Rewriter for ObjC2's foreach statement. 147510d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// It rewrites: 147610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// for ( type elem in collection) { stmts; } 14771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 147810d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// Into: 147910d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// { 14801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// type elem; 148133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// struct __objcFastEnumerationState enumState = { 0 }; 148210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// id items[16]; 148333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// id l_collection = (id)collection; 14841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 148533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objects:items count:16]; 148610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// if (limit) { 148710d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// unsigned long startMutations = *enumState.mutationsPtr; 148810d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// do { 148910d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// unsigned long counter = 0; 149010d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// do { 14911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// if (startMutations != *enumState.mutationsPtr) 149233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objc_enumerationMutation(l_collection); 149388f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian/// elem = (type)enumState.itemsPtr[counter++]; 149410d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// stmts; 1495e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian/// __continue_label: ; 149610d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } while (counter < limit); 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// } while (limit = [l_collection countByEnumeratingWithState:&enumState 149833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// objects:items count:16]); 149933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian/// elem = nil; 1500e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian/// __break_label: ; 150110d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } 150210d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// else 150310d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// elem = nil; 150410d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// } 150510d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian/// 1506b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCForCollectionStmt(ObjCForCollectionStmt *S, 1507338d1e2ced8037b71d91fb319631846917d0cedaChris Lattner SourceLocation OrigEnd) { 1508e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian assert(!Stmts.empty() && "ObjCForCollectionStmt - Statement stack empty"); 15091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(isa<ObjCForCollectionStmt>(Stmts.back()) && 1510e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian "ObjCForCollectionStmt Statement stack mismatch"); 15111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(!ObjCBcLabelNo.empty() && 1512e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian "ObjCForCollectionStmt - Label No stack empty"); 15131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 151433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 151533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 15164087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef elementName; 151788f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian std::string elementTypeAsString; 151833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian std::string buf; 151933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf = "\n{\n\t"; 152033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian if (DeclStmt *DS = dyn_cast<DeclStmt>(S->getElement())) { 152133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // type elem; 15227e24e82a70a2c681f4291a3397bcd1e1005f251aChris Lattner NamedDecl* D = cast<NamedDecl>(DS->getSingleDecl()); 15231ed8e2a39456d064a346a6a5c2f6bd53e6d57345Ted Kremenek QualType ElementType = cast<ValueDecl>(D)->getType(); 1524e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff if (ElementType->isObjCQualifiedIdType() || 1525e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff ElementType->isObjCQualifiedInterfaceType()) 1526e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff // Simply use 'id' for all qualified types. 1527e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff elementTypeAsString = "id"; 1528e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff else 1529fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar elementTypeAsString = ElementType.getAsString(Context->PrintingPolicy); 153088f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += elementTypeAsString; 153133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += " "; 15324087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar elementName = D->getName(); 153333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 153433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ";\n\t"; 153533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian } 153606767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner else { 153706767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner DeclRefExpr *DR = cast<DeclRefExpr>(S->getElement()); 15384087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar elementName = DR->getDecl()->getName(); 1539e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff ValueDecl *VD = cast<ValueDecl>(DR->getDecl()); 1540e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff if (VD->getType()->isObjCQualifiedIdType() || 1541e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff VD->getType()->isObjCQualifiedInterfaceType()) 1542e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff // Simply use 'id' for all qualified types. 1543e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff elementTypeAsString = "id"; 1544e89b8e7946155db1a3bbb1e22addd5d9d2a904dfSteve Naroff else 1545fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar elementTypeAsString = VD->getType().getAsString(Context->PrintingPolicy); 154688f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian } 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 154833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // struct __objcFastEnumerationState enumState = { 0 }; 154933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "struct __objcFastEnumerationState enumState = { 0 };\n\t"; 155033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // id items[16]; 155133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "id items[16];\n\t"; 155233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // id l_collection = (id) 155333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "id l_collection = (id)"; 15547571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian // Find start location of 'collection' the hard way! 15557571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian const char *startCollectionBuf = startBuf; 15567571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf += 3; // skip 'for' 15577571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf = strchr(startCollectionBuf, '('); 15587571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf++; // skip '(' 15597571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian // find 'in' and skip it. 15607571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian while (*startCollectionBuf != ' ' || 15617571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian *(startCollectionBuf+1) != 'i' || *(startCollectionBuf+2) != 'n' || 15627571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian (*(startCollectionBuf+3) != ' ' && 15637571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian *(startCollectionBuf+3) != '[' && *(startCollectionBuf+3) != '(')) 15647571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf++; 15657571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian startCollectionBuf += 3; 15661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Replace: "for (type element in" with string constructed thus far. 1568d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, startCollectionBuf - startBuf, buf); 156933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with ';' 15707571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian SourceLocation rightParenLoc = S->getRParenLoc(); 15717571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian const char *rparenBuf = SM->getCharacterData(rightParenLoc); 15727571228ec9b31de7733ae96352ee4eaa8afcf2b5Fariborz Jahanian SourceLocation lparenLoc = startLoc.getFileLocWithOffset(rparenBuf-startBuf); 157333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf = ";\n\t"; 15741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // unsigned long limit = [l_collection countByEnumeratingWithState:&enumState 157633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // objects:items count:16]; 157733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // which is synthesized into: 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // unsigned int limit = 157933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // ((unsigned int (*) 158033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // (id, SEL, struct __objcFastEnumerationState *, id *, unsigned int)) 15811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (void *)objc_msgSend)((id)l_collection, 158233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // sel_registerName( 15831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // "countByEnumeratingWithState:objects:count:"), 15841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (struct __objcFastEnumerationState *)&state, 158533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // (id *)items, (unsigned int)16); 158633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long limit =\n\t\t"; 158733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SynthCountByEnumWithState(buf); 158833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ";\n\t"; 158933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// if (limit) { 159033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// unsigned long startMutations = *enumState.mutationsPtr; 159133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// do { 159233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// unsigned long counter = 0; 159333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// do { 15941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// if (startMutations != *enumState.mutationsPtr) 159533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// objc_enumerationMutation(l_collection); 159688f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian /// elem = (type)enumState.itemsPtr[counter++]; 159733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "if (limit) {\n\t"; 159833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long startMutations = *enumState.mutationsPtr;\n\t"; 159933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "do {\n\t\t"; 160033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "unsigned long counter = 0;\n\t\t"; 160133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "do {\n\t\t\t"; 160233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "if (startMutations != *enumState.mutationsPtr)\n\t\t\t\t"; 160333b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "objc_enumerationMutation(l_collection);\n\t\t\t"; 160433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 160588f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += " = ("; 160688f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += elementTypeAsString; 160788f50f31d84185827a8f765dd611134bcaface7bFariborz Jahanian buf += ")enumState.itemsPtr[counter++];"; 160833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Replace ')' in for '(' type elem in collection ')' with all of these. 1609d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lparenLoc, 1, buf); 16101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1611e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian /// __continue_label: ; 161233b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } while (counter < limit); 16131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// } while (limit = [l_collection countByEnumeratingWithState:&enumState 161433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// objects:items count:16]); 161533b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// elem = nil; 1616e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian /// __break_label: ; 161733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } 161833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// else 161933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// elem = nil; 162033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian /// } 16211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 1622e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf = ";\n\t"; 1623e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "__continue_label_"; 1624e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 1625e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += ": ;"; 1626e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "\n\t\t"; 162733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "} while (counter < limit);\n\t"; 162833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "} while (limit = "; 162933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian SynthCountByEnumWithState(buf); 163033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += ");\n\t"; 163133b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 163265b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += " = (("; 163365b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += elementTypeAsString; 163465b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += ")0);\n\t"; 1635e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += "__break_label_"; 1636e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += utostr(ObjCBcLabelNo.back()); 1637e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian buf += ": ;\n\t"; 163833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "}\n\t"; 163933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "else\n\t\t"; 164033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += elementName; 164165b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += " = (("; 164265b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += elementTypeAsString; 164365b0aa5d3973e07c8c4449ef2b81c389fd48229aFariborz Jahanian buf += ")0);\n\t"; 164433b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian buf += "}\n"; 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164633b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian // Insert all these *after* the statement body. 1647d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl // FIXME: If this should support Obj-C++, support CXXTryStmt 1648600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff if (isa<CompoundStmt>(S->getBody())) { 1649600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff SourceLocation endBodyLoc = OrigEnd.getFileLocWithOffset(1); 1650d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endBodyLoc, buf); 1651600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff } else { 1652600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff /* Need to treat single statements specially. For example: 1653600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * 1654600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * for (A *a in b) if (stuff()) break; 1655600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * for (A *a in b) xxxyy; 1656600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * 1657600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff * The following code simply scans ahead to the semi to find the actual end. 1658600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff */ 1659600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff const char *stmtBuf = SM->getCharacterData(OrigEnd); 1660600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff const char *semiBuf = strchr(stmtBuf, ';'); 1661600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff assert(semiBuf && "Can't find ';'"); 1662600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff SourceLocation endBodyLoc = OrigEnd.getFileLocWithOffset(semiBuf-stmtBuf+1); 1663d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endBodyLoc, buf); 1664600e4e8c358fd39e70f3313b7f1bfa0848957597Steve Naroff } 1665e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian Stmts.pop_back(); 1666e8d1c0579404442a87818506bb0e742d0f52d5bfFariborz Jahanian ObjCBcLabelNo.pop_back(); 166733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return 0; 166810d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian} 166910d24f062ee8c83823199191ccdba452c7f9ac24Fariborz Jahanian 16701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// RewriteObjCSynchronizedStmt - 1671a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// This routine rewrites @synchronized(expr) stmt; 1672a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// into: 1673a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// objc_sync_enter(expr); 1674a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// @try stmt @finally { objc_sync_exit(expr); } 1675a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian/// 1676b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCSynchronizedStmt(ObjCAtSynchronizedStmt *S) { 1677a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian // Get the start location and compute the semi location. 1678a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SourceLocation startLoc = S->getLocStart(); 1679a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const char *startBuf = SM->getCharacterData(startLoc); 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1681a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian assert((*startBuf == '@') && "bogus @synchronized location"); 16821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::string buf; 16843498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff buf = "objc_sync_enter((id)"; 16853498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff const char *lparenBuf = startBuf; 16863498cc9793487a5ad51a5a050be85bd550775eccSteve Naroff while (*lparenBuf != '(') lparenBuf++; 1687d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lparenBuf-startBuf+1, buf); 16881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We can't use S->getSynchExpr()->getLocEnd() to find the end location, since 16891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // the sync expression is typically a message expression that's already 1690c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff // been rewritten! (which implies the SourceLocation's are invalid). 1691c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff SourceLocation endLoc = S->getSynchBody()->getLocStart(); 1692a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian const char *endBuf = SM->getCharacterData(endLoc); 1693c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff while (*endBuf != ')') endBuf--; 1694c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff SourceLocation rparenLoc = startLoc.getFileLocWithOffset(endBuf-startBuf); 1695a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf = ");\n"; 1696a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian // declare a new scope with two variables, _stack and _rethrow. 1697a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "/* @try scope begin */ \n{ struct _objc_exception_data {\n"; 1698a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "int buf[18/*32-bit i386*/];\n"; 1699a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "char *pointers[4];} _stack;\n"; 1700a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "id volatile _rethrow = 0;\n"; 1701a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "objc_exception_try_enter(&_stack);\n"; 1702a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 1703d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(rparenLoc, 1, buf); 1704a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian startLoc = S->getSynchBody()->getLocEnd(); 1705a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian startBuf = SM->getCharacterData(startLoc); 17061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1707c7089f1be946f3ca6e59596f0e0f92d96136e4c8Steve Naroff assert((*startBuf == '}') && "bogus @synchronized block"); 1708a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian SourceLocation lastCurlyLoc = startLoc; 1709a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf = "}\nelse {\n"; 1710a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += " _rethrow = objc_exception_extract(&_stack);\n"; 1711621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff buf += "}\n"; 1712621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff buf += "{ /* implicit finally clause */\n"; 1713a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 1714b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1715b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string syncBuf; 1716b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += " objc_sync_exit("; 17179d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Expr *syncExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 17182de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 17199d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall S->getSynchExpr()); 1720a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek std::string syncExprBufS; 1721a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek llvm::raw_string_ostream syncExprBuf(syncExprBufS); 1722e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner syncExpr->printPretty(syncExprBuf, *Context, 0, 1723e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner PrintingPolicy(LangOpts)); 1724b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += syncExprBuf.str(); 1725b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff syncBuf += ");"; 1726b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1727b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += syncBuf; 1728b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += "\n if (_rethrow) objc_exception_throw(_rethrow);\n"; 1729a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "}\n"; 1730a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian buf += "}"; 17311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1732d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1733b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1734b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff bool hasReturns = false; 1735b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(S->getSynchBody(), hasReturns); 1736b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (hasReturns) 1737b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteSyncReturnStmts(S->getSynchBody(), syncBuf); 1738b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1739a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian return 0; 1740a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian} 1741a0f55792409289d1d343023fa8292cff6355e538Fariborz Jahanian 1742b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::WarnAboutReturnGotoStmts(Stmt *S) 1743b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff{ 17448c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff // Perform a bottom up traversal of all children. 17458c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 17468c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff CI != E; ++CI) 17478c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff if (*CI) 1748b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff WarnAboutReturnGotoStmts(*CI); 17498c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff 1750b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S) || isa<GotoStmt>(S)) { 17511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Diags.Report(Context->getFullLoc(S->getLocStart()), 17528c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff TryFinallyContainsReturnDiag); 17538c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff } 17548c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff return; 17558c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff} 17568c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff 1757b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::HasReturnStmts(Stmt *S, bool &hasReturns) 1758b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff{ 1759b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 1760b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 1761b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff CI != E; ++CI) 1762b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) 1763b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(*CI, hasReturns); 1764b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1765b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) 1766b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff hasReturns = true; 1767b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1768b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1769b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1770b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::RewriteTryReturnStmts(Stmt *S) { 1771b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 1772b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 1773b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff CI != E; ++CI) 1774b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) { 1775b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteTryReturnStmts(*CI); 1776b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1777b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) { 1778b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation startLoc = S->getLocStart(); 1779b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 1780b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1781b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 1782b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff assert((*semiBuf == ';') && "RewriteTryReturnStmts: can't find ';'"); 1783b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation onePastSemiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 1784b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1785b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string buf; 1786b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf = "{ objc_exception_try_exit(&_stack); return"; 1787b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1788d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 6, buf); 1789d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, "}"); 1790b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1791b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1792b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1793b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1794b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroffvoid RewriteObjC::RewriteSyncReturnStmts(Stmt *S, std::string syncExitBuf) { 1795b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Perform a bottom up traversal of all children. 1796b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 1797b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff CI != E; ++CI) 1798b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (*CI) { 1799b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteSyncReturnStmts(*CI, syncExitBuf); 1800b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1801b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (isa<ReturnStmt>(S)) { 1802b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation startLoc = S->getLocStart(); 1803b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 1804b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1805b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff const char *semiBuf = strchr(startBuf, ';'); 1806b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff assert((*semiBuf == ';') && "RewriteSyncReturnStmts: can't find ';'"); 1807b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff SourceLocation onePastSemiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf+1); 1808b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1809b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff std::string buf; 1810b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf = "{ objc_exception_try_exit(&_stack);"; 1811b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += syncExitBuf; 1812b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff buf += " return"; 1813b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1814d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 6, buf); 1815d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(onePastSemiLoc, "}"); 1816b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff } 1817b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff return; 1818b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff} 1819b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1820b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCTryStmt(ObjCAtTryStmt *S) { 18217573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Get the start location and compute the semi location. 18227573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation startLoc = S->getLocStart(); 18237573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 18241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18257573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @try location"); 18267573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 18277573098b83e780d1c5bea13b384b610d8f155676Steve Naroff std::string buf; 18287573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // declare a new scope with two variables, _stack and _rethrow. 18297573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "/* @try scope begin */ { struct _objc_exception_data {\n"; 18307573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "int buf[18/*32-bit i386*/];\n"; 18317573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "char *pointers[4];} _stack;\n"; 18327573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "id volatile _rethrow = 0;\n"; 18337573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "objc_exception_try_enter(&_stack);\n"; 183421867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "if (!_setjmp(_stack.buf)) /* @try block continue */\n"; 18357573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 1836d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 4, buf); 18371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18387573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = S->getTryBody()->getLocEnd(); 18397573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 18407573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 18417573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '}') && "bogus @try block"); 18421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1843c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff SourceLocation lastCurlyLoc = startLoc; 18448f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (S->getNumCatchStmts()) { 1845c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff startLoc = startLoc.getFileLocWithOffset(1); 1846c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf = " /* @catch begin */ else {\n"; 1847c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " id _caught = objc_exception_extract(&_stack);\n"; 1848c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " objc_exception_try_enter (&_stack);\n"; 1849c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " if (_setjmp(_stack.buf))\n"; 1850c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " _rethrow = objc_exception_extract(&_stack);\n"; 1851c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff buf += " else { /* @catch continue */"; 18521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1853d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, buf); 18548bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff } else { /* no catch list */ 18558bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf = "}\nelse {\n"; 18568bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf += " _rethrow = objc_exception_extract(&_stack);\n"; 18578bd3dc64d28bdb3b263838a12aca25587bce661bSteve Naroff buf += "}"; 1858d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1859c9ba172447f2e2fe938ae03c3b16b91bda5b4dc3Steve Naroff } 18607573098b83e780d1c5bea13b384b610d8f155676Steve Naroff bool sawIdTypedCatch = false; 18617573098b83e780d1c5bea13b384b610d8f155676Steve Naroff Stmt *lastCatchBody = 0; 18628f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor for (unsigned I = 0, N = S->getNumCatchStmts(); I != N; ++I) { 18638f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor ObjCAtCatchStmt *Catch = S->getCatchStmt(I); 1864c00d8e18ad3d903acfeb5d05163ce90713066a3fDouglas Gregor VarDecl *catchDecl = Catch->getCatchParamDecl(); 18657573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 18668f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (I == 0) 18677573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "if ("; // we are generating code for the first catch clause 18687573098b83e780d1c5bea13b384b610d8f155676Steve Naroff else 18697573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf = "else if ("; 18708f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor startLoc = Catch->getLocStart(); 18717573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 18721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18737573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @catch location"); 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18757573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *lParenLoc = strchr(startBuf, '('); 18767573098b83e780d1c5bea13b384b610d8f155676Steve Naroff 18778f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor if (Catch->hasEllipsis()) { 1878e12e69223ec279e89ac681023d42184b115e0068Steve Naroff // Now rewrite the body... 18798f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor lastCatchBody = Catch->getCatchBody(); 1880e12e69223ec279e89ac681023d42184b115e0068Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocStart(); 1881e12e69223ec279e89ac681023d42184b115e0068Steve Naroff const char *bodyBuf = SM->getCharacterData(bodyLoc); 18828f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor assert(*SM->getCharacterData(Catch->getRParenLoc()) == ')' && 188306767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @catch paren location"); 1884e12e69223ec279e89ac681023d42184b115e0068Steve Naroff assert((*bodyBuf == '{') && "bogus @catch body location"); 18851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1886e12e69223ec279e89ac681023d42184b115e0068Steve Naroff buf += "1) { id _tmp = _caught;"; 1887d7407dc92c7d19cafce429e7e1cf9819d3fc0b92Daniel Dunbar Rewrite.ReplaceText(startLoc, bodyBuf-startBuf+1, buf); 18887ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } else if (catchDecl) { 18897ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff QualType t = catchDecl->getType(); 1890a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (t == Context->getObjCIdType()) { 18917573098b83e780d1c5bea13b384b610d8f155676Steve Naroff buf += "1) { "; 1892d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 18937573098b83e780d1c5bea13b384b610d8f155676Steve Naroff sawIdTypedCatch = true; 1894506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall } else if (const ObjCObjectPointerType *Ptr = 1895506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall t->getAs<ObjCObjectPointerType>()) { 1896506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall // Should be a pointer to a class. 1897506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall ObjCInterfaceDecl *IDecl = Ptr->getObjectType()->getInterface(); 1898506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall if (IDecl) { 189921867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "objc_exception_match((struct objc_class *)objc_getClass(\""; 1900506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall buf += IDecl->getNameAsString(); 190121867b1188ae19b2834c155b21e97c39ed1b9770Steve Naroff buf += "\"), (struct objc_object *)_caught)) { "; 1902d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, lParenLoc-startBuf+1, buf); 19037573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19047573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19057573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Now rewrite the body... 19068f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor lastCatchBody = Catch->getCatchBody(); 19078f5e3dd32e443768d9dbbad7191e123e6733750cDouglas Gregor SourceLocation rParenLoc = Catch->getRParenLoc(); 19087573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocStart(); 19097573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *bodyBuf = SM->getCharacterData(bodyLoc); 19107573098b83e780d1c5bea13b384b610d8f155676Steve Naroff const char *rParenBuf = SM->getCharacterData(rParenLoc); 19117573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*rParenBuf == ')') && "bogus @catch paren location"); 19127573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*bodyBuf == '{') && "bogus @catch body location"); 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Here we replace ") {" with "= _caught;" (which initializes and 19157573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // declares the @catch parameter). 1916d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(rParenLoc, bodyBuf-rParenBuf+1, " = _caught;"); 19177ba138abd329e591a8f6d5001f60dd7082f71b3bSteve Naroff } else { 19187573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert(false && "@catch rewrite bug"); 19192bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff } 19207573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19217573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Complete the catch list... 19227573098b83e780d1c5bea13b384b610d8f155676Steve Naroff if (lastCatchBody) { 19237573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation bodyLoc = lastCatchBody->getLocEnd(); 192406767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner assert(*SM->getCharacterData(bodyLoc) == '}' && 192506767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @catch body location"); 19261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1927378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff // Insert the last (implicit) else clause *before* the right curly brace. 1928378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff bodyLoc = bodyLoc.getFileLocWithOffset(-1); 1929378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf = "} /* last catch end */\n"; 1930378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "else {\n"; 1931378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " _rethrow = _caught;\n"; 1932378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " objc_exception_try_exit(&_stack);\n"; 1933378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "} } /* @catch end */\n"; 1934378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff if (!S->getFinallyStmt()) 1935378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "}\n"; 1936d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(bodyLoc, buf); 19371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19387573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Set lastCurlyLoc 19397573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = lastCatchBody->getLocEnd(); 19407573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 1941a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCAtFinallyStmt *finalStmt = S->getFinallyStmt()) { 19427573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = finalStmt->getLocStart(); 19437573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startBuf = SM->getCharacterData(startLoc); 19447573098b83e780d1c5bea13b384b610d8f155676Steve Naroff assert((*startBuf == '@') && "bogus @finally start"); 19451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1946d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, 8, "/* @finally */"); 19471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19487573098b83e780d1c5bea13b384b610d8f155676Steve Naroff Stmt *body = finalStmt->getFinallyBody(); 19497573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation startLoc = body->getLocStart(); 19507573098b83e780d1c5bea13b384b610d8f155676Steve Naroff SourceLocation endLoc = body->getLocEnd(); 195106767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner assert(*SM->getCharacterData(startLoc) == '{' && 195206767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @finally body location"); 19531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(*SM->getCharacterData(endLoc) == '}' && 195406767518f56cc7ed2a1ae4a37434ad9bdd7890beChris Lattner "bogus @finally body location"); 19551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19567573098b83e780d1c5bea13b384b610d8f155676Steve Naroff startLoc = startLoc.getFileLocWithOffset(1); 1957d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(startLoc, " if (!_rethrow) objc_exception_try_exit(&_stack);\n"); 19587573098b83e780d1c5bea13b384b610d8f155676Steve Naroff endLoc = endLoc.getFileLocWithOffset(-1); 1959d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(endLoc, " if (_rethrow) objc_exception_throw(_rethrow);\n"); 19601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19617573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Set lastCurlyLoc 19627573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = body->getLocEnd(); 19631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19648c56515a0c61b73fc2f02cc96dc3e37650d89d45Steve Naroff // Now check for any return/continue/go statements within the @try. 1965b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff WarnAboutReturnGotoStmts(S->getTryBody()); 1966378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff } else { /* no finally clause - make sure we synthesize an implicit one */ 1967378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf = "{ /* implicit finally clause */\n"; 1968378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " if (!_rethrow) objc_exception_try_exit(&_stack);\n"; 1969378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += " if (_rethrow) objc_exception_throw(_rethrow);\n"; 1970378f47afeebe3fde2c17e78ae1cf42d2e3beeacfSteve Naroff buf += "}"; 1971d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(lastCurlyLoc, 1, buf); 1972b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff 1973b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // Now check for any return/continue/go statements within the @try. 1974b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // The implicit finally clause won't called if the @try contains any 1975b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff // jump statements. 1976b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff bool hasReturns = false; 1977b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff HasReturnStmts(S->getTryBody(), hasReturns); 1978b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff if (hasReturns) 1979b85e77af052ea495aa47edcce3b1ec8887e53873Steve Naroff RewriteTryReturnStmts(S->getTryBody()); 19807573098b83e780d1c5bea13b384b610d8f155676Steve Naroff } 19817573098b83e780d1c5bea13b384b610d8f155676Steve Naroff // Now emit the final closing curly brace... 19827573098b83e780d1c5bea13b384b610d8f155676Steve Naroff lastCurlyLoc = lastCurlyLoc.getFileLocWithOffset(1); 1983d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(lastCurlyLoc, " } /* @try scope end */\n"); 1984909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian return 0; 1985909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian} 1986909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian 19871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// This can't be done with ReplaceStmt(S, ThrowExpr), since 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// the throw expression is typically a message expression that's already 19892bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff// been rewritten! (which implies the SourceLocation's are invalid). 1990b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCThrowStmt(ObjCAtThrowStmt *S) { 19912bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff // Get the start location and compute the semi location. 19922bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff SourceLocation startLoc = S->getLocStart(); 19932bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff const char *startBuf = SM->getCharacterData(startLoc); 19941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 19952bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff assert((*startBuf == '@') && "bogus @throw location"); 19962bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff 19972bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff std::string buf; 19982bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff /* void objc_exception_throw(id) __attribute__((noreturn)); */ 199920ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff if (S->getThrowExpr()) 200020ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff buf = "objc_exception_throw("; 200120ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff else // add an implicit argument 200220ebf8f15df48f27ce2bf7c1b3ae87565235600fSteve Naroff buf = "objc_exception_throw(_caught"; 20031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20044ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff // handle "@ throw" correctly. 20054ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff const char *wBuf = strchr(startBuf, 'w'); 20064ba0acbe835b12b3755d138f364cd67044d7322fSteve Naroff assert((*wBuf == 'w') && "@throw: can't find 'w'"); 2007d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(startLoc, wBuf-startBuf+1, buf); 20081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20092bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff const char *semiBuf = strchr(startBuf, ';'); 20102bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff assert((*semiBuf == ';') && "@throw: can't find ';'"); 20112bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff SourceLocation semiLoc = startLoc.getFileLocWithOffset(semiBuf-startBuf); 2012d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(semiLoc, 1, ");"); 20132bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff return 0; 20142bd03923398add1bcb10d40c283cb0eb8ade74daSteve Naroff} 2015909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian 2016b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteAtEncode(ObjCEncodeExpr *Exp) { 201701c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner // Create a new string expression. 201801c5748c29e75b29cab5fc7d8ad1b173b29c7ecfChris Lattner QualType StrType = Context->getPointerType(Context->CharTy); 201985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson std::string StrEncoding; 20200d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar Context->getObjCEncodingForType(Exp->getEncodedType(), StrEncoding); 20212085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner Expr *Replacement = StringLiteral::Create(*Context,StrEncoding.c_str(), 20222085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner StrEncoding.length(), false,StrType, 20232085fd6cd22ec5c268175251db10d7c60caf7aaaChris Lattner SourceLocation()); 2024dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, Replacement); 20251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20260750618b0beacdc9b0a9e210a661e4746823ced7Chris Lattner // Replace this subexpr in the parent. 20274c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // delete Exp; leak for now, see RewritePropertySetter() usage for more info. 2028e64b7771dca65d737dfc49b6137bd69fc1ff6bd2Chris Lattner return Replacement; 2029311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner} 2030311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner 2031b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteAtSelector(ObjCSelectorExpr *Exp) { 20321a9376408941d65c285ddad8a0f1a2ac518df344Steve Naroff if (!SelGetUidFunctionDecl) 20331a9376408941d65c285ddad8a0f1a2ac518df344Steve Naroff SynthSelGetUidFunctionDecl(); 2034b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff assert(SelGetUidFunctionDecl && "Can't find sel_registerName() decl"); 2035b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff // Create a call to sel_registerName("selName"). 2036b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff llvm::SmallVector<Expr*, 8> SelExprs; 2037b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff QualType argType = Context->getPointerType(Context->CharTy); 20381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SelExprs.push_back(StringLiteral::Create(*Context, 20396e94ef5696cfb005d3fc7bbac8dcf7690b64f0a5Ted Kremenek Exp->getSelector().getAsString().c_str(), 2040077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Exp->getSelector().getAsString().size(), 2041726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner false, argType, SourceLocation())); 2042b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 2043b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff &SelExprs[0], SelExprs.size()); 2044dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, SelExp); 20454c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // delete Exp; leak for now, see RewritePropertySetter() usage for more info. 2046b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff return SelExp; 2047b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff} 2048b42f8415bcfb84c208fd577458ce1bbc2cd800feSteve Naroff 2049b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffCallExpr *RewriteObjC::SynthesizeCallToFunctionDecl( 20501d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian FunctionDecl *FD, Expr **args, unsigned nargs, SourceLocation StartLoc, 20511d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc) { 2052ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Get the type, we will need to reference it in a couple spots. 2053934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff QualType msgSendType = FD->getType(); 20541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2055ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Create a reference to the objc_msgSend() declaration. 20568189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, msgSendType, SourceLocation()); 20571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2058ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff // Now, we cast the reference to a pointer to the objc_msgSend type. 2059f04da137288c48879a86e9e1d4014db8e28dbae1Chris Lattner QualType pToFunc = Context->getPointerType(msgSendType); 206088465d3e996e627bbaa11099b039ddab66d5af2cAnders Carlsson ImplicitCastExpr *ICE = 20612de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall ImplicitCastExpr::Create(*Context, pToFunc, CK_Unknown, 20625baba9d98364a3525d6afa15a04cdad82fd6dd30John McCall DRE, 0, VK_RValue); 20631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2064183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = msgSendType->getAs<FunctionType>(); 20651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20661d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian CallExpr *Exp = 20675291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor new (Context) CallExpr(*Context, ICE, args, nargs, 20685291c3cec0dbe8ad1d8e7e67e93af2b1586d5400Douglas Gregor FT->getCallResultType(*Context), EndLoc); 20691d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian return Exp; 2070934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff} 2071934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff 2072d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroffstatic bool scanForProtocolRefs(const char *startBuf, const char *endBuf, 2073d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *&startRef, const char *&endRef) { 2074d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff while (startBuf < endBuf) { 2075d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (*startBuf == '<') 2076d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startRef = startBuf; // mark the start. 2077d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (*startBuf == '>') { 207832174826f58d38c20f376fe64ceac4a278133883Steve Naroff if (startRef && *startRef == '<') { 207932174826f58d38c20f376fe64ceac4a278133883Steve Naroff endRef = startBuf; // mark the end. 208032174826f58d38c20f376fe64ceac4a278133883Steve Naroff return true; 208132174826f58d38c20f376fe64ceac4a278133883Steve Naroff } 208232174826f58d38c20f376fe64ceac4a278133883Steve Naroff return false; 2083d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2084d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startBuf++; 2085d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2086d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff return false; 2087d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff} 2088d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff 208961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanianstatic void scanToNextArgument(const char *&argRef) { 209061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian int angle = 0; 209161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian while (*argRef != ')' && (*argRef != ',' || angle > 0)) { 209261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (*argRef == '<') 209361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian angle++; 209461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else if (*argRef == '>') 209561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian angle--; 209661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian argRef++; 209761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 209861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian assert(angle == 0 && "scanToNextArgument - bad protocol type syntax"); 209961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian} 2100291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian 2101b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffbool RewriteObjC::needToScanForQualifiers(QualType T) { 210232132a08c0aecc316728d81e1d93726707fde14bFariborz Jahanian if (T->isObjCQualifiedIdType()) 210332132a08c0aecc316728d81e1d93726707fde14bFariborz Jahanian return true; 210484aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (const PointerType *PT = T->getAs<PointerType>()) { 210584aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (PT->getPointeeType()->isObjCQualifiedIdType()) 210684aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return true; 210784aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian } 210884aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian if (T->isObjCObjectPointerType()) { 210984aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian T = T->getPointeeType(); 211084aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return T->isObjCQualifiedInterfaceType(); 211184aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian } 211224f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian if (T->isArrayType()) { 211324f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian QualType ElemTy = Context->getBaseElementType(T); 211424f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian return needToScanForQualifiers(ElemTy); 211524f9cab9288368171caaef4bb18b95e4f6083f22Fariborz Jahanian } 211684aa9464a4542b7b63d3b1f9953f9169ce536527Fariborz Jahanian return false; 2117d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff} 2118d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff 21194f95b750534f2111f28434b282bcbd5656002816Steve Naroffvoid RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Expr *E) { 21204f95b750534f2111f28434b282bcbd5656002816Steve Naroff QualType Type = E->getType(); 21214f95b750534f2111f28434b282bcbd5656002816Steve Naroff if (needToScanForQualifiers(Type)) { 2122cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff SourceLocation Loc, EndLoc; 21231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2124cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) { 2125cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff Loc = ECE->getLParenLoc(); 2126cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff EndLoc = ECE->getRParenLoc(); 2127cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff } else { 2128cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff Loc = E->getLocStart(); 2129cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff EndLoc = E->getLocEnd(); 2130cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff } 2131cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff // This will defend against trying to rewrite synthesized expressions. 2132cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff if (Loc.isInvalid() || EndLoc.isInvalid()) 2133cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff return; 2134cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff 21354f95b750534f2111f28434b282bcbd5656002816Steve Naroff const char *startBuf = SM->getCharacterData(Loc); 2136cda658e90d7ffe0ece23d741ff82cf764108f66cSteve Naroff const char *endBuf = SM->getCharacterData(EndLoc); 21374f95b750534f2111f28434b282bcbd5656002816Steve Naroff const char *startRef = 0, *endRef = 0; 21384f95b750534f2111f28434b282bcbd5656002816Steve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 21394f95b750534f2111f28434b282bcbd5656002816Steve Naroff // Get the locations of the startRef, endRef. 21404f95b750534f2111f28434b282bcbd5656002816Steve Naroff SourceLocation LessLoc = Loc.getFileLocWithOffset(startRef-startBuf); 21414f95b750534f2111f28434b282bcbd5656002816Steve Naroff SourceLocation GreaterLoc = Loc.getFileLocWithOffset(endRef-startBuf+1); 21424f95b750534f2111f28434b282bcbd5656002816Steve Naroff // Comment out the protocol references. 2143d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2144d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 21454f95b750534f2111f28434b282bcbd5656002816Steve Naroff } 21464f95b750534f2111f28434b282bcbd5656002816Steve Naroff } 21474f95b750534f2111f28434b282bcbd5656002816Steve Naroff} 21484f95b750534f2111f28434b282bcbd5656002816Steve Naroff 2149b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCQualifiedInterfaceTypes(Decl *Dcl) { 215061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian SourceLocation Loc; 215161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian QualType Type; 215272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = 0; 215361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(Dcl)) { 215461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Loc = VD->getLocation(); 215561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Type = VD->getType(); 215661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 215761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else if (FunctionDecl *FD = dyn_cast<FunctionDecl>(Dcl)) { 215861477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Loc = FD->getLocation(); 215961477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // Check for ObjC 'id' and class types that have been adorned with protocol 216061477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // information (id<p>, C<p>*). The protocol references need to be rewritten! 2161183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 216261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian assert(funcType && "missing function type"); 216372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor proto = dyn_cast<FunctionProtoType>(funcType); 216461477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (!proto) 216561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian return; 216661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian Type = proto->getResultType(); 216761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 21683d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff else if (FieldDecl *FD = dyn_cast<FieldDecl>(Dcl)) { 21693d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff Loc = FD->getLocation(); 21703d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff Type = FD->getType(); 21713d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } 217261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else 2173e66894c3dea9aeab4403e67bf5baabc20da61cb3Fariborz Jahanian return; 21741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 217561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (needToScanForQualifiers(Type)) { 2176d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Since types are unique, we need to scan the buffer. 21771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2178d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *endBuf = SM->getCharacterData(Loc); 2179d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startBuf = endBuf; 21806cafbf2a678c95d4cdc09ecaa782319bbcf56944Steve Naroff while (*startBuf != ';' && *startBuf != '<' && startBuf != MainFileStart) 2181d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff startBuf--; // scan backward (from the decl location) for return type. 2182d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startRef = 0, *endRef = 0; 2183d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 2184d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Get the locations of the startRef, endRef. 2185d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff SourceLocation LessLoc = Loc.getFileLocWithOffset(startRef-endBuf); 2186d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff SourceLocation GreaterLoc = Loc.getFileLocWithOffset(endRef-endBuf+1); 2187d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Comment out the protocol references. 2188d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2189d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 2190d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 2191d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 219261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian if (!proto) 219361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian return; // most likely, was a variable 21949165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff // Now check arguments. 219561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian const char *startBuf = SM->getCharacterData(Loc); 219661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian const char *startFuncBuf = startBuf; 21979165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff for (unsigned i = 0; i < proto->getNumArgs(); i++) { 2198d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (needToScanForQualifiers(proto->getArgType(i))) { 2199d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Since types are unique, we need to scan the buffer. 22001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2201d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *endBuf = startBuf; 220261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian // scan forward (from the decl location) for argument types. 220361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian scanToNextArgument(endBuf); 2204d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff const char *startRef = 0, *endRef = 0; 2205d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff if (scanForProtocolRefs(startBuf, endBuf, startRef, endRef)) { 2206d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Get the locations of the startRef, endRef. 22071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation LessLoc = 2208291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian Loc.getFileLocWithOffset(startRef-startFuncBuf); 22091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation GreaterLoc = 2210291e04b29669d6576e19e35555bbc3cadd2f6649Fariborz Jahanian Loc.getFileLocWithOffset(endRef-startFuncBuf+1); 2211d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff // Comment out the protocol references. 2212d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LessLoc, "/*"); 2213d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(GreaterLoc, "*/"); 2214d5255f55ebe8803ee10b01589a64156e5e9cde5eSteve Naroff } 221561477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf = ++endBuf; 221661477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 221761477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian else { 2218aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff // If the function name is derived from a macro expansion, then the 2219aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff // argument buffer will not follow the name. Need to speak with Chris. 2220aba49d10daaedbc9e8bf6f4c6bfbfa6ea668baa6Steve Naroff while (*startBuf && *startBuf != ')' && *startBuf != ',') 222161477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf++; // scan forward (from the decl location) for argument types. 222261477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian startBuf++; 222361477f7a4ccd3ac785afd9708d77a53869a53a76Fariborz Jahanian } 22249165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff } 22259165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff} 22269165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff 22274c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanianvoid RewriteObjC::RewriteTypeOfDecl(VarDecl *ND) { 22284c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian QualType QT = ND->getType(); 22294c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 22304c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (!isa<TypeOfExprType>(TypePtr)) 22314c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian return; 22324c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian while (isa<TypeOfExprType>(TypePtr)) { 22334c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 22344c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 22354c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian TypePtr = QT->getAs<Type>(); 22364c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 22374c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian // FIXME. This will not work for multiple declarators; as in: 22384c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian // __typeof__(a) b,c,d; 2239fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeAsString(QT.getAsString(Context->PrintingPolicy)); 22404c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 22414c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 22424c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (ND->getInit()) { 22434c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian std::string Name(ND->getNameAsString()); 22444c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian TypeAsString += " " + Name + " = "; 22454c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian Expr *E = ND->getInit(); 22464c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation startLoc; 22474c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 22484c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = ECE->getLParenLoc(); 22494c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else 22504c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = E->getLocStart(); 22514c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian startLoc = SM->getInstantiationLoc(startLoc); 22524c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *endBuf = SM->getCharacterData(startLoc); 2253d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 22544c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 22554c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else { 22564c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian SourceLocation X = ND->getLocEnd(); 22574c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian X = SM->getInstantiationLoc(X); 22584c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian const char *endBuf = SM->getCharacterData(X); 2259d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf-1, TypeAsString); 22604c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 22614c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian} 22624c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian 2263a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian// SynthSelGetUidFunctionDecl - SEL sel_registerName(const char *str); 2264b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthSelGetUidFunctionDecl() { 2265a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian IdentifierInfo *SelGetUidIdent = &Context->Idents.get("sel_registerName"); 2266a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 22670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2268a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getFuncType = Context->getFunctionType(Context->getObjCSelType(), 2269ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor &ArgTys[0], ArgTys.size(), 2270ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false /*isVariadic*/, 0, 2271264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2272264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2273ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis SelGetUidFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 22741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2275a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis SelGetUidIdent, getFuncType, 0, 2276d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2277d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2278a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian} 2279a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian 2280b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteFunctionDecl(FunctionDecl *FD) { 228109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff // declared in <objc/objc.h> 228251efe56116a6283ba707cfb8bf8b4e0b13cb41acDouglas Gregor if (FD->getIdentifier() && 22834087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD->getName() == "sel_registerName") { 228409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SelGetUidFunctionDecl = FD; 22859165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff return; 22869165ad378f8d25eb5c378a8e9540089afce421ffSteve Naroff } 2287a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCQualifiedInterfaceTypes(FD); 228809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 228909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2290fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbarvoid RewriteObjC::RewriteBlockPointerType(std::string& Str, QualType Type) { 2291fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeString(Type.getAsString(Context->PrintingPolicy)); 229252b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian const char *argPtr = TypeString.c_str(); 229352b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian if (!strchr(argPtr, '^')) { 229452b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian Str += TypeString; 229552b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian return; 229652b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian } 229752b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian while (*argPtr) { 229852b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian Str += (*argPtr == '^' ? '*' : *argPtr); 229952b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian argPtr++; 230052b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian } 230152b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian} 230252b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian 2303e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian// FIXME. Consolidate this routine with RewriteBlockPointerType. 2304fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbarvoid RewriteObjC::RewriteBlockPointerTypeVariable(std::string& Str, 2305fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar ValueDecl *VD) { 2306e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian QualType Type = VD->getType(); 2307fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string TypeString(Type.getAsString(Context->PrintingPolicy)); 2308e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian const char *argPtr = TypeString.c_str(); 2309e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian int paren = 0; 2310e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian while (*argPtr) { 2311e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian switch (*argPtr) { 2312e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case '(': 2313e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2314e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian paren++; 2315e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2316e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case ')': 2317e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2318e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian paren--; 2319e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2320e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian case '^': 2321e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += '*'; 2322e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian if (paren == 1) 2323e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += VD->getNameAsString(); 2324e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2325e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian default: 2326e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian Str += *argPtr; 2327e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian break; 2328e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 2329e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian argPtr++; 2330e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 2331e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian} 2332e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian 2333e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian 2334abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanianvoid RewriteObjC::RewriteBlockLiteralFunctionDecl(FunctionDecl *FD) { 2335abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 2336abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian const FunctionType *funcType = FD->getType()->getAs<FunctionType>(); 2337abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian const FunctionProtoType *proto = dyn_cast<FunctionProtoType>(funcType); 2338abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (!proto) 2339abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian return; 2340abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian QualType Type = proto->getResultType(); 2341fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string FdStr = Type.getAsString(Context->PrintingPolicy); 2342abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += " "; 23434087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FdStr += FD->getName(); 2344abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += "("; 2345abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian unsigned numArgs = proto->getNumArgs(); 2346abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian for (unsigned i = 0; i < numArgs; i++) { 2347abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian QualType ArgType = proto->getArgType(i); 234852b2e1e0775a7a50616b02be4af92295c61e37f5Fariborz Jahanian RewriteBlockPointerType(FdStr, ArgType); 2349abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (i+1 < numArgs) 2350abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += ", "; 2351abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian } 2352abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian FdStr += ");\n"; 2353d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, FdStr); 2354abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 2355abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian} 2356abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian 2357c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff// SynthSuperContructorFunctionDecl - id objc_super(id obj, id super); 2358b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthSuperContructorFunctionDecl() { 2359c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff if (SuperContructorFunctionDecl) 2360c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff return; 236146a98a7df016b4a6835a1902c2f8ff2a3a8012baSteve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("__rw_objc_super"); 2362c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2363c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff QualType argT = Context->getObjCIdType(); 2364c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff assert(!argT.isNull() && "Can't find 'id' type"); 2365c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff ArgTys.push_back(argT); 2366c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff ArgTys.push_back(argT); 2367c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff QualType msgSendType = Context->getFunctionType(Context->getObjCIdType(), 2368c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff &ArgTys[0], ArgTys.size(), 2369ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false, 0, 2370264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2371264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2372ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis SuperContructorFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 23731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2374a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2375d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2376d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2377c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff} 2378c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff 237909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff// SynthMsgSendFunctionDecl - id objc_msgSend(id self, SEL op, ...); 2380b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendFunctionDecl() { 238109b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend"); 238209b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2383a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 238409b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff assert(!argT.isNull() && "Can't find 'id' type"); 238509b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff ArgTys.push_back(argT); 2386a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 238709b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff assert(!argT.isNull() && "Can't find 'SEL' type"); 238809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff ArgTys.push_back(argT); 2389a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType msgSendType = Context->getFunctionType(Context->getObjCIdType(), 239009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff &ArgTys[0], ArgTys.size(), 2391ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor true /*isVariadic*/, 0, 2392264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2393264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2394ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 23950ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2396a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2397d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2398d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 239909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 240009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2401874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff// SynthMsgSendSuperFunctionDecl - id objc_msgSendSuper(struct objc_super *, SEL op, ...); 2402b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendSuperFunctionDecl() { 2403874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSendSuper"); 2404874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 2405465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 24060ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2407df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 2408874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 2409874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 2410874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff ArgTys.push_back(argT); 2411a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 2412874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff assert(!argT.isNull() && "Can't find 'SEL' type"); 2413874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff ArgTys.push_back(argT); 2414a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType msgSendType = Context->getFunctionType(Context->getObjCIdType(), 2415874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff &ArgTys[0], ArgTys.size(), 2416ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor true /*isVariadic*/, 0, 2417264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2418264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2419ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendSuperFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2421a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2422d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2423d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2424874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff} 2425874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff 242680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian// SynthMsgSendStretFunctionDecl - id objc_msgSend_stret(id self, SEL op, ...); 2427b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendStretFunctionDecl() { 242880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_stret"); 242980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2430a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 243180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 243280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2433a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 243480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 243580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2436a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType msgSendType = Context->getFunctionType(Context->getObjCIdType(), 243780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian &ArgTys[0], ArgTys.size(), 2438ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor true /*isVariadic*/, 0, 2439264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2440264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2441ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2443a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2444d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2445d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 244680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian} 244780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian 24481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// SynthMsgSendSuperStretFunctionDecl - 244980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian// id objc_msgSendSuper_stret(struct objc_super *, SEL op, ...); 2450b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendSuperStretFunctionDecl() { 24511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump IdentifierInfo *msgSendIdent = 245280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian &Context->Idents.get("objc_msgSendSuper_stret"); 245380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2454465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 24550ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation(), 2456df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 245780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian QualType argT = Context->getPointerType(Context->getTagDeclType(RD)); 245880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't build 'struct objc_super *' type"); 245980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2460a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 246180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 246280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian ArgTys.push_back(argT); 2463a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType msgSendType = Context->getFunctionType(Context->getObjCIdType(), 246480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian &ArgTys[0], ArgTys.size(), 2465ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor true /*isVariadic*/, 0, 2466264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2467264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2468ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendSuperStretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2470a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2471d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2472d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 247380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian} 247480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian 24751284db8d85782c4eb1d41eb02358613c8681f07fSteve Naroff// SynthMsgSendFpretFunctionDecl - double objc_msgSend_fpret(id self, SEL op, ...); 2476b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthMsgSendFpretFunctionDecl() { 2477acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian IdentifierInfo *msgSendIdent = &Context->Idents.get("objc_msgSend_fpret"); 2478acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2479a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType argT = Context->getObjCIdType(); 2480acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian assert(!argT.isNull() && "Can't find 'id' type"); 2481acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian ArgTys.push_back(argT); 2482a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek argT = Context->getObjCSelType(); 2483acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian assert(!argT.isNull() && "Can't find 'SEL' type"); 2484acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian ArgTys.push_back(argT); 24851284db8d85782c4eb1d41eb02358613c8681f07fSteve Naroff QualType msgSendType = Context->getFunctionType(Context->DoubleTy, 2486acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian &ArgTys[0], ArgTys.size(), 2487ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor true /*isVariadic*/, 0, 2488264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2489264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2490ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis MsgSendFpretFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 24911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2492a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis msgSendIdent, msgSendType, 0, 2493d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2494d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 2495acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian} 2496acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian 249709b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff// SynthGetClassFunctionDecl - id objc_getClass(const char *name); 2498b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthGetClassFunctionDecl() { 249909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getClass"); 250009b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 25010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2502a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getClassType = Context->getFunctionType(Context->getObjCIdType(), 250309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff &ArgTys[0], ArgTys.size(), 2504ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false /*isVariadic*/, 0, 2505264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2506264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2507ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis GetClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2509a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis getClassIdent, getClassType, 0, 2510d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2511d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 251209b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff} 251309b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff 2514d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian// SynthGetSuperClassFunctionDecl - Class class_getSuperclass(Class cls); 2515d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanianvoid RewriteObjC::SynthGetSuperClassFunctionDecl() { 2516d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian IdentifierInfo *getSuperClassIdent = 2517d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian &Context->Idents.get("class_getSuperclass"); 2518d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian llvm::SmallVector<QualType, 16> ArgTys; 2519d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian ArgTys.push_back(Context->getObjCClassType()); 2520d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian QualType getClassType = Context->getFunctionType(Context->getObjCClassType(), 2521d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian &ArgTys[0], ArgTys.size(), 2522d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian false /*isVariadic*/, 0, 2523264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2524264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2525d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian GetSuperClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 252616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor SourceLocation(), 252716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor getSuperClassIdent, 252816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor getClassType, 0, 2529d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2530d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, 253116573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor false); 2532d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian} 2533d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian 25349bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff// SynthGetMetaClassFunctionDecl - id objc_getClass(const char *name); 2535b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthGetMetaClassFunctionDecl() { 25369bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff IdentifierInfo *getClassIdent = &Context->Idents.get("objc_getMetaClass"); 25379bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff llvm::SmallVector<QualType, 16> ArgTys; 25380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ArgTys.push_back(Context->getPointerType(Context->CharTy.withConst())); 2539a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek QualType getClassType = Context->getFunctionType(Context->getObjCIdType(), 25409bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff &ArgTys[0], ArgTys.size(), 2541ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false /*isVariadic*/, 0, 2542264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2543264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2544ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis GetMetaClassFunctionDecl = FunctionDecl::Create(*Context, TUDecl, 25451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2546a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis getClassIdent, getClassType, 0, 2547d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, 2548d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false); 25499bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff} 25509bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff 2551b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCStringLiteral(ObjCStringLiteral *Exp) { 2552d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType strType = getConstantStringStructType(); 2553d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 2554d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff std::string S = "__NSConstantStringImpl_"; 25557691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff 25567691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff std::string tmpName = InFileName; 25577691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff unsigned i; 25587691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff for (i=0; i < tmpName.length(); i++) { 25597691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff char c = tmpName.at(i); 25607691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff // replace any non alphanumeric characters with '_'. 25617691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff if (!isalpha(c) && (c < '0' || c > '9')) 25627691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff tmpName[i] = '_'; 25637691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff } 25647691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff S += tmpName; 25657691d9b77b01bf9df6c51e7cb8b43ec150f50b7bSteve Naroff S += "_"; 2566d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff S += utostr(NumObjCStringLiterals++); 2567d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 2568ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "static __NSConstantStringImpl " + S; 2569ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += " __attribute__ ((section (\"__DATA, __cfstring\"))) = {__CFConstantStringClassReference,"; 2570ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += "0x000007c8,"; // utf8_str 2571d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // The pretty printer for StringLiteral handles escape characters properly. 2572a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek std::string prettyBufS; 2573a95d3750441ac8ad03e36af8e6e74039c9a3109dTed Kremenek llvm::raw_string_ostream prettyBuf(prettyBufS); 2574e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner Exp->getString()->printPretty(prettyBuf, *Context, 0, 2575e4f2142d00fa5fdb580c4e2413da91882d955381Chris Lattner PrintingPolicy(LangOpts)); 2576ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += prettyBuf.str(); 2577ba92b2ed976e29ea05f0f5afabaf9488c1096bebSteve Naroff Preamble += ","; 2578fd5b76fe99a123630321b45667a78f1a15be7241Steve Naroff Preamble += utostr(Exp->getString()->getByteLength()) + "};\n"; 25791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 2581d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer &Context->Idents.get(S), strType, 0, 2582d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Static, SC_None); 25838189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek DeclRefExpr *DRE = new (Context) DeclRefExpr(NewVD, strType, SourceLocation()); 25842de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *Unop = new (Context) UnaryOperator(DRE, UO_AddrOf, 25851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(DRE->getType()), 2586d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff SourceLocation()); 25879698464266660346fa2da1bddc3e6404a9819b25Steve Naroff // cast to NSConstantString * 25889d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *cast = NoTypeInfoCStyleCastExpr(Context, Exp->getType(), 25892de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Unop); 2590dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, cast); 25914c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // delete Exp; leak for now, see RewritePropertySetter() usage for more info. 25929698464266660346fa2da1bddc3e6404a9819b25Steve Naroff return cast; 2593beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff} 2594beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff 2595874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff// struct objc_super { struct objc_object *receiver; struct objc_class *super; }; 2596b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffQualType RewriteObjC::getSuperStructType() { 2597874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff if (!SuperStructDecl) { 2598465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara SuperStructDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 25991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2600df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("objc_super")); 2601874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType FieldTypes[2]; 26021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2603874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // struct objc_object *receiver; 26041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[0] = Context->getObjCIdType(); 2605874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // struct objc_class *super; 26061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[1] = Context->getObjCClassType(); 260744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2608874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // Create fields 260944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 2; ++i) { 26101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SuperStructDecl->addDecl(FieldDecl::Create(*Context, SuperStructDecl, 26111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 2612a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], 0, 2613a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis /*BitWidth=*/0, 26144afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false)); 261544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 26161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2617838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor SuperStructDecl->completeDefinition(); 2618874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } 2619874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff return Context->getTagDeclType(SuperStructDecl); 2620874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff} 2621874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff 2622b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffQualType RewriteObjC::getConstantStringStructType() { 2623d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff if (!ConstantStringDecl) { 2624465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ConstantStringDecl = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 26251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 2626df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek &Context->Idents.get("__NSConstantStringImpl")); 2627d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff QualType FieldTypes[4]; 26281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2629d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // struct objc_object *receiver; 26301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[0] = Context->getObjCIdType(); 2631d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // int flags; 26321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[1] = Context->IntTy; 2633d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // char *str; 26341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[2] = Context->getPointerType(Context->CharTy); 2635d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // long length; 26361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = Context->LongTy; 263744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2638d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff // Create fields 263944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 26401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantStringDecl->addDecl(FieldDecl::Create(*Context, 26411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantStringDecl, 264244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 2643a1d5662d96465f0fddf8819d245da4d19b892effArgyrios Kyrtzidis FieldTypes[i], 0, 264444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor /*BitWidth=*/0, 26454afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/true)); 264644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 264744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 2648838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ConstantStringDecl->completeDefinition(); 2649d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff } 2650d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff return Context->getTagDeclType(ConstantStringDecl); 2651d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff} 2652d82a9ab4540899e24c96a389c5488381c5551c78Steve Naroff 26531d35b168348a308696d1fce29a18c14143f61d6aFariborz JahanianStmt *RewriteObjC::SynthMessageExpr(ObjCMessageExpr *Exp, 26541d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation StartLoc, 26551d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian SourceLocation EndLoc) { 2656a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian if (!SelGetUidFunctionDecl) 2657a70711b296953bfe2fc17351f3908dcc417c404aFariborz Jahanian SynthSelGetUidFunctionDecl(); 265809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff if (!MsgSendFunctionDecl) 265909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SynthMsgSendFunctionDecl(); 2660874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff if (!MsgSendSuperFunctionDecl) 2661874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff SynthMsgSendSuperFunctionDecl(); 266280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (!MsgSendStretFunctionDecl) 266380a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SynthMsgSendStretFunctionDecl(); 266480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (!MsgSendSuperStretFunctionDecl) 266580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SynthMsgSendSuperStretFunctionDecl(); 2666acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian if (!MsgSendFpretFunctionDecl) 2667acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian SynthMsgSendFpretFunctionDecl(); 266809b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff if (!GetClassFunctionDecl) 266909b266eb2a014b7af4dc06126c47b7629030ce09Steve Naroff SynthGetClassFunctionDecl(); 2670d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian if (!GetSuperClassFunctionDecl) 2671d314e9e12326c2fd8f140adc4c769d13b483b3f6Fariborz Jahanian SynthGetSuperClassFunctionDecl(); 26729bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff if (!GetMetaClassFunctionDecl) 26739bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff SynthGetMetaClassFunctionDecl(); 26741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2675874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff // default to objc_msgSend(). 267680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendFlavor = MsgSendFunctionDecl; 267780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // May need to use objc_msgSend_stret() as well. 267880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian FunctionDecl *MsgSendStretFlavor = 0; 2679621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ObjCMethodDecl *mDecl = Exp->getMethodDecl()) { 2680621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QualType resultType = mDecl->getResultType(); 2681fb87b89fc9eb103e19fb8e4b925c23f0bd091b99Douglas Gregor if (resultType->isRecordType()) 268280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian MsgSendStretFlavor = MsgSendStretFunctionDecl; 26838b51fd76319d8b71f401cc6ad56e6f4f7be77958Chris Lattner else if (resultType->isRealFloatingType()) 2684acb4977dd3b6a678bfbdb80781bfe3c617be3f24Fariborz Jahanian MsgSendFlavor = MsgSendFpretFunctionDecl; 268580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian } 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2687934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Synthesize a call to objc_msgSend(). 2688934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff llvm::SmallVector<Expr*, 8> MsgExprs; 268904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor switch (Exp->getReceiverKind()) { 269004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperClass: { 269104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendFlavor = MsgSendSuperFunctionDecl; 269204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (MsgSendStretFlavor) 269304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 269404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 269504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 269604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 269704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 269804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 4> InitExprs; 269904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 270004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // set the receiver to self, the first argument to all methods. 270104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 270204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 27032de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 270404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 270504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCIdType(), 270604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation())) 270704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ); // set the 'receiver'. 270804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 270904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 271004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 271104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 271204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 271304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getNameStart(), 271404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getLength(), 271504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor false, argType, SourceLocation())); 271604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetMetaClassFunctionDecl, 271704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 271804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 271904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, 272004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor EndLoc); 272104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (Class)objc_getClass("CurrentClass") 272204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 272304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCClassType(), 27242de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Cls); 272504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.clear(); 272604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(ArgExpr); 272704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 272804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], ClsExprs.size(), 272904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 273004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 273104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 273204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // To turn off a warning, type-cast to 'id' 273304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( // set 'super class', using class_getSuperclass(). 273404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, 273504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCIdType(), 27362de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Cls)); 273704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super 273804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType superType = getSuperStructType(); 273904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *SuperRep; 274004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 274104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (LangOpts.Microsoft) { 274204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SynthSuperContructorFunctionDecl(); 274304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Simulate a contructor call... 274404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 274504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor superType, SourceLocation()); 274604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 274704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.size(), 274804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor superType, SourceLocation()); 274904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // The code for super is a little tricky to prevent collision with 275004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // the structure definition in the header. The rewriter has it's own 275104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // internal definition (__rw_objc_super) that is uses. This is why 275204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // we need the cast below. For example: 275304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 275404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // 27552de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 275604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 275704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 275804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = NoTypeInfoCStyleCastExpr(Context, 275904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(superType), 27602de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, SuperRep); 27619bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff } else { 276204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super) { <exprs from above> } 276304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitListExpr *ILE = 276404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) InitListExpr(*Context, SourceLocation(), 276504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &InitExprs[0], InitExprs.size(), 276604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 276704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *superTInfo 276804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = Context->getTrivialTypeSourceInfo(superType); 276904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 277004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor superType, ILE, false); 277104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super * 27722de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 277304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 277404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 27759bcb5fc1fd48c1f40c6a3b5a59130ebc313b4957Steve Naroff } 277604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(SuperRep); 277704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 277804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 277904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 278004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Class: { 278104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 278204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 278304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *Class 2784506b57e8b79d7dc2c367bf2ee7ec95420ad3fc8fJohn McCall = Exp->getClassReceiver()->getAs<ObjCObjectType>()->getInterface(); 278504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor IdentifierInfo *clsName = Class->getIdentifier(); 278604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 278704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor clsName->getNameStart(), 278804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor clsName->getLength(), 278904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor false, argType, 279004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation())); 279104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 279204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 279304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 279404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 279504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(Cls); 279604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 279704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 279804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 279904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::SuperInstance:{ 280004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendFlavor = MsgSendSuperFunctionDecl; 280104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (MsgSendStretFlavor) 280204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgSendStretFlavor = MsgSendSuperStretFunctionDecl; 280304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor assert(MsgSendFlavor && "MsgSendFlavor is NULL!"); 280404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ObjCInterfaceDecl *ClassDecl = CurMethodDef->getClassInterface(); 280504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 4> InitExprs; 280604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 280704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 280804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 28092de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 281004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) DeclRefExpr(CurMethodDef->getSelfDecl(), 281104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCIdType(), 281204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation())) 281304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ); // set the 'receiver'. 281404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 281504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 281604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor llvm::SmallVector<Expr*, 8> ClsExprs; 281704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType argType = Context->getPointerType(Context->CharTy); 281804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(StringLiteral::Create(*Context, 281904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getNameStart(), 282004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClassDecl->getIdentifier()->getLength(), 282104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor false, argType, SourceLocation())); 282204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CallExpr *Cls = SynthesizeCallToFunctionDecl(GetClassFunctionDecl, 282304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], 282404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.size(), 282504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 282604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (Class)objc_getClass("CurrentClass") 282704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor CastExpr *ArgExpr = NoTypeInfoCStyleCastExpr(Context, 282804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getObjCClassType(), 28292de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Cls); 283004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.clear(); 283104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor ClsExprs.push_back(ArgExpr); 283204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Cls = SynthesizeCallToFunctionDecl(GetSuperClassFunctionDecl, 283304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &ClsExprs[0], ClsExprs.size(), 283404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor StartLoc, EndLoc); 283504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 283604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (id)class_getSuperclass((Class)objc_getClass("CurrentClass")) 283704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // To turn off a warning, type-cast to 'id' 283804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.push_back( 283904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // set 'super class', using class_getSuperclass(). 284004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 28412de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Cls)); 284204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // struct objc_super 284304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor QualType superType = getSuperStructType(); 284404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *SuperRep; 284504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 284604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor if (LangOpts.Microsoft) { 284704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SynthSuperContructorFunctionDecl(); 284804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Simulate a contructor call... 284904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor DeclRefExpr *DRE = new (Context) DeclRefExpr(SuperContructorFunctionDecl, 285004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor superType, SourceLocation()); 285104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], 285204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitExprs.size(), 285304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor superType, SourceLocation()); 285404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // The code for super is a little tricky to prevent collision with 285504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // the structure definition in the header. The rewriter has it's own 285604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // internal definition (__rw_objc_super) that is uses. This is why 285704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // we need the cast below. For example: 285804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super *)&__rw_objc_super((id)self, (id)objc_getClass("SUPER")) 285904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // 28602de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall SuperRep = new (Context) UnaryOperator(SuperRep, UO_AddrOf, 286104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(SuperRep->getType()), 286204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 286304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = NoTypeInfoCStyleCastExpr(Context, 286404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Context->getPointerType(superType), 28652de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, SuperRep); 2866874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } else { 286704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // (struct objc_super) { <exprs from above> } 286804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor InitListExpr *ILE = 286904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor new (Context) InitListExpr(*Context, SourceLocation(), 287004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor &InitExprs[0], InitExprs.size(), 287104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SourceLocation()); 287204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor TypeSourceInfo *superTInfo 287304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor = Context->getTrivialTypeSourceInfo(superType); 287404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor SuperRep = new (Context) CompoundLiteralExpr(SourceLocation(), superTInfo, 287504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor superType, ILE, false); 2876874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff } 287704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(SuperRep); 287804badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 28796568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff } 288004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 288104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor case ObjCMessageExpr::Instance: { 288204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Remove all type-casts because it may contain objc-style types; e.g. 288304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor // Foo<Proto> *. 288404badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor Expr *recExpr = Exp->getInstanceReceiver(); 288504badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor while (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(recExpr)) 288604badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor recExpr = CE->getSubExpr(); 288704badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor recExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 28882de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, recExpr); 288904badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor MsgExprs.push_back(recExpr); 289004badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor break; 289104badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 289204badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor } 289304badcf84c8d504d8491c7c7e29b58f52cb16640Douglas Gregor 2894beaf299a2701c5559a4e5d76b0c40f805afb8e6aSteve Naroff // Create a call to sel_registerName("selName"), it will be the 2nd argument. 2895934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff llvm::SmallVector<Expr*, 8> SelExprs; 2896934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff QualType argType = Context->getPointerType(Context->CharTy); 28971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SelExprs.push_back(StringLiteral::Create(*Context, 28986e94ef5696cfb005d3fc7bbac8dcf7690b64f0a5Ted Kremenek Exp->getSelector().getAsString().c_str(), 2899077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Exp->getSelector().getAsString().size(), 2900726e168dc09fb23f53c7b004f8e919421ee91806Chris Lattner false, argType, SourceLocation())); 2901934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff CallExpr *SelExp = SynthesizeCallToFunctionDecl(SelGetUidFunctionDecl, 29021d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian &SelExprs[0], SelExprs.size(), 29031d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian StartLoc, 29041d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian EndLoc); 2905934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff MsgExprs.push_back(SelExp); 29061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2907934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Now push any user supplied arguments. 2908934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff for (unsigned i = 0; i < Exp->getNumArgs(); i++) { 29096568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff Expr *userExpr = Exp->getArg(i); 29107e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff // Make all implicit casts explicit...ICE comes in handy:-) 29117e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(userExpr)) { 29127e3411b23eb3724da5461dc6d6f97d14b3b0a52fSteve Naroff // Reuse the ICE type, it is exactly what the doctor ordered. 291349badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor QualType type = ICE->getType()->isObjCQualifiedIdType() 2914a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ? Context->getObjCIdType() 291549badde06e066d058d6c7fcf4e628a72999b65a9Douglas Gregor : ICE->getType(); 29161f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Make sure we convert "type (^)(...)" to "type (*)(...)". 29174fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(type); 29182de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall userExpr = NoTypeInfoCStyleCastExpr(Context, type, CK_Unknown, 29199d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall userExpr); 2920d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian } 2921d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian // Make id<P...> cast into an 'id' cast. 29226eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor else if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(userExpr)) { 2923a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (CE->getType()->isObjCQualifiedIdType()) { 29246eec8e883de118b431e3ead5b1e604a6ac68ff6bDouglas Gregor while ((CE = dyn_cast<CStyleCastExpr>(userExpr))) 2925d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian userExpr = CE->getSubExpr(); 29269d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall userExpr = NoTypeInfoCStyleCastExpr(Context, Context->getObjCIdType(), 29272de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, userExpr); 2928d58fabf7ed279be18a5e82617f809c9deff9be67Fariborz Jahanian } 29291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 29306568d4dd760f37a945f7c9a249b1500de0777a2dSteve Naroff MsgExprs.push_back(userExpr); 2931621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // We've transferred the ownership to MsgExprs. For now, we *don't* null 2932621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // out the argument in the original expression (since we aren't deleting 2933621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // the ObjCMessageExpr). See RewritePropertySetter() usage for more info. 2934621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff //Exp->setArg(i, 0); 2935934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff } 2936ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Generate the funky cast. 2937ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff CastExpr *cast; 2938ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff llvm::SmallVector<QualType, 8> ArgTypes; 2939ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff QualType returnType; 29401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2941ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Push 'id' and 'SEL', the 2 implicit arguments. 2942c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff if (MsgSendFlavor == MsgSendSuperFunctionDecl) 2943c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff ArgTypes.push_back(Context->getPointerType(getSuperStructType())); 2944c3a438c39ca6061965007c273727f27dfaa4a694Steve Naroff else 2945a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ArgTypes.push_back(Context->getObjCIdType()); 2946a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ArgTypes.push_back(Context->getObjCSelType()); 294789951a86b594513c2a013532ed45d197413b1087Chris Lattner if (ObjCMethodDecl *OMD = Exp->getMethodDecl()) { 2948ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Push any user argument types. 294989951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = OMD->param_begin(), 295089951a86b594513c2a013532ed45d197413b1087Chris Lattner E = OMD->param_end(); PI != E; ++PI) { 295189951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType t = (*PI)->getType()->isObjCQualifiedIdType() 29521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ? Context->getObjCIdType() 295389951a86b594513c2a013532ed45d197413b1087Chris Lattner : (*PI)->getType(); 2954a206b0614a392cfef19aaaa894f9d3c756006421Steve Naroff // Make sure we convert "t (^)(...)" to "t (*)(...)". 29554fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 2956352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff ArgTypes.push_back(t); 2957352336bb0a480b044eb03e7359e73d3b173d9cddSteve Naroff } 295889951a86b594513c2a013532ed45d197413b1087Chris Lattner returnType = OMD->getResultType()->isObjCQualifiedIdType() 295989951a86b594513c2a013532ed45d197413b1087Chris Lattner ? Context->getObjCIdType() : OMD->getResultType(); 29604fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(returnType); 2961ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff } else { 2962a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek returnType = Context->getObjCIdType(); 2963ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff } 2964ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Get the type, we will need to reference it in a couple spots. 2965874e232a0d5e179197de860e6dfa3e99cd42ad30Steve Naroff QualType msgSendType = MsgSendFlavor->getType(); 29661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2967ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Create a reference to the objc_msgSend() declaration. 29681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclRefExpr *DRE = new (Context) DeclRefExpr(MsgSendFlavor, msgSendType, 296980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SourceLocation()); 2970ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff 29711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Need to cast objc_msgSend to "void *" (to workaround a GCC bandaid). 2972ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // If we don't do this cast, we get the following bizarre warning/note: 2973ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // xx.m:13: warning: function called through a non-compatible type 2974ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // xx.m:13: note: if this code is reached, the program will abort 29759d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast = NoTypeInfoCStyleCastExpr(Context, 29769d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Context->getPointerType(Context->VoidTy), 29772de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, DRE); 29781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2979ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Now do the "normal" pointer to function cast. 29801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType castType = Context->getFunctionType(returnType, 2981d0ee6f9f9a5bc5d85e7469f5aabf91f1e71b12f5Fariborz Jahanian &ArgTypes[0], ArgTypes.size(), 29822679e4889fbe1a5582d84363857e020354cedeedSteve Naroff // If we don't have a method decl, force a variadic cast. 2983ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : true, 0, 2984264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 2985264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 2986ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff castType = Context->getPointerType(castType); 29872de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_Unknown, 29889d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast); 2989ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff 2990ab972d3c4b49fb0b99ae2beee70c1771a05342baSteve Naroff // Don't forget the parens to enforce the proper binding. 29911d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(StartLoc, EndLoc, cast); 29921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2993183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = msgSendType->getAs<FunctionType>(); 2994668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *CE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MsgExprs.size(), 29961d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian FT->getResultType(), EndLoc); 299733b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian Stmt *ReplacingStmt = CE; 299880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian if (MsgSendStretFlavor) { 299980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // We have the method which returns a struct/union. Must also generate 300080a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // call to objc_msgSend_stret and hang both varieties on a conditional 300180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // expression which dictate which one to envoke depending on size of 300280a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // method's return type. 30031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 300480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Create a reference to the objc_msgSend_stret() declaration. 30051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DeclRefExpr *STDRE = new (Context) DeclRefExpr(MsgSendStretFlavor, msgSendType, 300680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SourceLocation()); 300780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Need to cast objc_msgSend_stret to "void *" (see above comment). 30089d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast = NoTypeInfoCStyleCastExpr(Context, 30099d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Context->getPointerType(Context->VoidTy), 30102de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, STDRE); 301180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Now do the "normal" pointer to function cast. 30121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump castType = Context->getFunctionType(returnType, 3013d0ee6f9f9a5bc5d85e7469f5aabf91f1e71b12f5Fariborz Jahanian &ArgTypes[0], ArgTypes.size(), 3014ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor Exp->getMethodDecl() ? Exp->getMethodDecl()->isVariadic() : false, 0, 3015264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 3016264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 301780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian castType = Context->getPointerType(castType); 30182de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall cast = NoTypeInfoCStyleCastExpr(Context, castType, CK_Unknown, 30199d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall cast); 30201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 302180a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Don't forget the parens to enforce the proper binding. 30228189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), cast); 30231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3024183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FT = msgSendType->getAs<FunctionType>(); 3025668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *STCE = new (Context) CallExpr(*Context, PE, &MsgExprs[0], 30261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump MsgExprs.size(), 3027668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek FT->getResultType(), SourceLocation()); 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 302980a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // Build sizeof(returnType) 30301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SizeOfAlignOfExpr *sizeofExpr = new (Context) SizeOfAlignOfExpr(true, 3031a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall Context->getTrivialTypeSourceInfo(returnType), 30320518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl Context->getSizeType(), 30330518999d3adcc289997bd974dce90cc97f5c1c44Sebastian Redl SourceLocation(), SourceLocation()); 303480a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 303580a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // FIXME: Value of 8 is base on ppc32/x86 ABI for the most common cases. 303680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // For X86 it is more complicated and some kind of target specific routine 303780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // is needed to decide what to do. 30381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump unsigned IntSize = 303998be4943e8dc4f3905629a7102668960873cf863Chris Lattner static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 30409996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis IntegerLiteral *limit = IntegerLiteral::Create(*Context, 30419996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis llvm::APInt(IntSize, 8), 30429996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Context->IntTy, 30439996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis SourceLocation()); 30441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump BinaryOperator *lessThanExpr = new (Context) BinaryOperator(sizeofExpr, limit, 30452de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall BO_LE, 30461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->IntTy, 304780a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian SourceLocation()); 304880a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian // (sizeof(returnType) <= 8 ? objc_msgSend(...) : objc_msgSend_stret(...)) 30491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConditionalOperator *CondExpr = 305047e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor new (Context) ConditionalOperator(lessThanExpr, 305147e1f7c68bf375cac470fdb2b599ddbb395aeb52Douglas Gregor SourceLocation(), CE, 3052f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian SourceLocation(), STCE, (Expr*)0, 3053f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian returnType); 3054f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian ReplacingStmt = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 3055f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian CondExpr); 305680a6a5abbbf0b7c45f535d4e0b0d00f4c3f320eaFariborz Jahanian } 30571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // delete Exp; leak for now, see RewritePropertySetter() usage for more info. 305833b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return ReplacingStmt; 305933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian} 306033b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian 3061b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteMessageExpr(ObjCMessageExpr *Exp) { 30621d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Stmt *ReplacingStmt = SynthMessageExpr(Exp, Exp->getLocStart(), 30631d35b168348a308696d1fce29a18c14143f61d6aFariborz Jahanian Exp->getLocEnd()); 30641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3065934f276cc5b45e19cd12ebb2d04fd7972a23865cSteve Naroff // Now do the actual rewrite. 3066dcbc5b0b0722282a0fdd829359fe0d7e22adb882Chris Lattner ReplaceStmt(Exp, ReplacingStmt); 30671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // delete Exp; leak for now, see RewritePropertySetter() usage for more info. 306933b9c4e4c6f1b055d94c8b57cd16883125701ac7Fariborz Jahanian return ReplacingStmt; 3070ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff} 3071ebf2b56bce1ea6b1b8133c1f0e2131503d229d2dSteve Naroff 3072621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// typedef struct objc_object Protocol; 3073621edce9cd7d4e06979daf911cc306350619f33bSteve NaroffQualType RewriteObjC::getProtocolType() { 3074621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!ProtocolTypeDecl) { 3075a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo 3076a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall = Context->getTrivialTypeSourceInfo(Context->getObjCIdType()); 3077621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolTypeDecl = TypedefDecl::Create(*Context, TUDecl, 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 3079621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff &Context->Idents.get("Protocol"), 3080a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TInfo); 3081621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3082621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return Context->getTypeDeclType(ProtocolTypeDecl); 3083621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff} 3084621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 308536ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian/// RewriteObjCProtocolExpr - Rewrite a protocol expression into 3086621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// a synthesized/forward data reference (to the protocol's metadata). 3087621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// The forward references (and metadata) are generated in 3088621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// RewriteObjC::HandleTranslationUnit(). 3089b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve NaroffStmt *RewriteObjC::RewriteObjCProtocolExpr(ObjCProtocolExpr *Exp) { 3090621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string Name = "_OBJC_PROTOCOL_" + Exp->getProtocol()->getNameAsString(); 3091621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff IdentifierInfo *ID = &Context->Idents.get(Name); 30921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump VarDecl *VD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 309316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor ID, getProtocolType(), 0, 3094d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Extern, SC_None); 3095621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff DeclRefExpr *DRE = new (Context) DeclRefExpr(VD, getProtocolType(), SourceLocation()); 30962de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *DerefExpr = new (Context) UnaryOperator(DRE, UO_AddrOf, 3097621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getPointerType(DRE->getType()), 3098621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff SourceLocation()); 30999d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, DerefExpr->getType(), 31002de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 31019d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall DerefExpr); 3102621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ReplaceStmt(Exp, castExpr); 3103621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolExprDecls.insert(Exp->getProtocol()); 31041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // delete Exp; leak for now, see RewritePropertySetter() usage for more info. 3105621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return castExpr; 31061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310736ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian} 310836ee2cb3247a662b6049f9cc097ba5cf9c0bb2b5Fariborz Jahanian 31091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpbool RewriteObjC::BufferContainsPPDirectives(const char *startBuf, 3110baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff const char *endBuf) { 3111baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff while (startBuf < endBuf) { 3112baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (*startBuf == '#') { 3113baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // Skip whitespace. 3114baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff for (++startBuf; startBuf[0] == ' ' || startBuf[0] == '\t'; ++startBuf) 3115baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff ; 3116baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (!strncmp(startBuf, "if", strlen("if")) || 3117baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "ifdef", strlen("ifdef")) || 3118baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "ifndef", strlen("ifndef")) || 3119baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "define", strlen("define")) || 3120baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "undef", strlen("undef")) || 3121baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "else", strlen("else")) || 3122baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "elif", strlen("elif")) || 3123baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "endif", strlen("endif")) || 3124baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "pragma", strlen("pragma")) || 3125baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "include", strlen("include")) || 3126baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "import", strlen("import")) || 3127baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff !strncmp(startBuf, "include_next", strlen("include_next"))) 3128baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff return true; 3129baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3130baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff startBuf++; 3131baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3132baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff return false; 3133baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff} 3134baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff 3135a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// SynthesizeObjCInternalStruct - Rewrite one internal struct corresponding to 313626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// an objective-c class with ivars. 3137b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::SynthesizeObjCInternalStruct(ObjCInterfaceDecl *CDecl, 313826e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result) { 3139a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek assert(CDecl && "Class missing in SynthesizeObjCInternalStruct"); 31404087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar assert(CDecl->getName() != "" && 31412e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor "Name missing in SynthesizeObjCInternalStruct"); 3142212b768a4b39479bc8cce1268a95a1adbd825542Fariborz Jahanian // Do not synthesize more than once. 3143a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (ObjCSynthesizedStructs.count(CDecl)) 3144212b768a4b39479bc8cce1268a95a1adbd825542Fariborz Jahanian return; 3145a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *RCDecl = CDecl->getSuperClass(); 3146f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner int NumIvars = CDecl->ivar_size(); 31472c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian SourceLocation LocStart = CDecl->getLocStart(); 31482c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian SourceLocation LocEnd = CDecl->getLocEnd(); 31491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31502c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian const char *startBuf = SM->getCharacterData(LocStart); 31512c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian const char *endBuf = SM->getCharacterData(LocEnd); 31521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3153aff56d0bffdad7ed75db938d5e61e1ce3d5cd195Fariborz Jahanian // If no ivars and no root or if its root, directly or indirectly, 3154f1de0ca05e2df6f23bd559028693a12d1ebdaaf6Fariborz Jahanian // have no ivars (thus not synthesized) then no need to synthesize this class. 3155f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner if ((CDecl->isForwardDecl() || NumIvars == 0) && 3156f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner (!RCDecl || !ObjCSynthesizedStructs.count(RCDecl))) { 31572c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3158d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, Result); 315926e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian return; 31602c7038b298c61e531ee4e79b9ff014ffb97b6cccFariborz Jahanian } 31611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: This has potential of causing problem. If 3163a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // SynthesizeObjCInternalStruct is ever called recursively. 3164fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result += "\nstruct "; 3165d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 316661ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff if (LangOpts.Microsoft) 316761ed9caca5dd6a9b9ccee7fb51296234e6cc68adSteve Naroff Result += "_IMPL"; 316805b8c782669d07a71d4889bcacfd53a29cd16fcbSteve Naroff 3169fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian if (NumIvars > 0) { 3170fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff const char *cursor = strchr(startBuf, '{'); 31711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((cursor && endBuf) 3172a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek && "SynthesizeObjCInternalStruct - malformed @interface"); 3173baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // If the buffer contains preprocessor directives, we do more fine-grained 3174baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrites. This is intended to fix code that looks like (which occurs in 3175baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // NSURL.h, for example): 3176baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // 3177baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #ifdef XYZ 3178baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @interface Foo : NSObject 3179baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #else 3180baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @interface FooBar : NSObject 3181baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // #endif 3182baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // { 3183baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // int i; 3184baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // } 3185baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // @end 3186baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // 3187baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // This clause is segregated to avoid breaking the common case. 3188baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff if (BufferContainsPPDirectives(startBuf, cursor)) { 31891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation L = RCDecl ? CDecl->getSuperClassLoc() : 3190baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff CDecl->getClassLoc(); 3191baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff const char *endHeader = SM->getCharacterData(L); 31922c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endHeader += Lexer::MeasureTokenLength(L, *SM, LangOpts); 3193baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff 3194cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 3195baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // advance to the end of the referenced protocols. 3196baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff while (endHeader < cursor && *endHeader != '>') endHeader++; 3197baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff endHeader++; 3198baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3199baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrite the original header 3200d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endHeader-startBuf, Result); 3201baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } else { 3202baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff // rewrite the original header *without* disturbing the '{' 3203d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, cursor-startBuf, Result); 3204baf58c3f1fb13eec46fe339287662f180bb566daSteve Naroff } 3205a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (RCDecl && ObjCSynthesizedStructs.count(RCDecl)) { 3206fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result = "\n struct "; 3207d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 320839bbd9f5918950436821585afc6244b1fe2c7295Steve Naroff Result += "_IMPL "; 3209d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 3210819173c41e395744480e8f325dc5c02438420604Steve Naroff Result += "_IVARS;\n"; 32111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3212fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // insert the super class structure definition. 3213f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner SourceLocation OnePastCurly = 3214f3dd57e5378bcf5fc9f05832e92479a535d9cd8aChris Lattner LocStart.getFileLocWithOffset(cursor-startBuf+1); 3215d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(OnePastCurly, Result); 3216fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff } 3217fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff cursor++; // past '{' 32181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3219fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // Now comment out any visibility specifiers. 3220fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff while (cursor < endBuf) { 3221fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff if (*cursor == '@') { 3222fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff SourceLocation atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3223df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner // Skip whitespace. 3224df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner for (++cursor; cursor[0] == ' ' || cursor[0] == '\t'; ++cursor) 3225df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner /*scan*/; 3226df6a51b0202d10963ed005c2480e3b4a10d16928Chris Lattner 3227fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian // FIXME: presence of @public, etc. inside comment results in 3228fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian // this transformation as well, which is still correct c-code. 3229fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff if (!strncmp(cursor, "public", strlen("public")) || 3230fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff !strncmp(cursor, "private", strlen("private")) || 3231c5e327712499caa2a9f3b6591490de8cb7df0b5bSteve Naroff !strncmp(cursor, "package", strlen("package")) || 32329567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian !strncmp(cursor, "protected", strlen("protected"))) 3233d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, "// "); 3234fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian } 32359567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // FIXME: If there are cases where '<' is used in ivar declaration part 32369567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // of user code, then scan the ivar list and use needToScanForQualifiers 32379567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian // for type checking. 32389567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian else if (*cursor == '<') { 32399567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian SourceLocation atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3240d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, "/* "); 32419567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian cursor = strchr(cursor, '>'); 32429567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian cursor++; 32439567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian atLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3244d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(atLoc, " */"); 3245ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff } else if (*cursor == '^') { // rewrite block specifier. 3246ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff SourceLocation caretLoc = LocStart.getFileLocWithOffset(cursor-startBuf); 3247d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(caretLoc, 1, "*"); 32489567392e164128d853f0005014114d1ffc06fa86Fariborz Jahanian } 3249fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff cursor++; 3250fdc08a06822f7c56cef56e1a813f92565ea8f961Fariborz Jahanian } 3251fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff // Don't forget to add a ';'!! 3252d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(LocEnd.getFileLocWithOffset(1), ";"); 3253fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff } else { // we don't have any instance variables - insert super struct. 32542c78b873f4f3823ae859c15674cb3d76c8554113Chris Lattner endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts); 3255fea763e8b02eb907c399883117179e898f2abbf8Steve Naroff Result += " {\n struct "; 3256d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 325739bbd9f5918950436821585afc6244b1fe2c7295Steve Naroff Result += "_IMPL "; 3258d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += RCDecl->getNameAsString(); 3259819173c41e395744480e8f325dc5c02438420604Steve Naroff Result += "_IVARS;\n};\n"; 3260d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf, Result); 326126e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian } 326226e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian // Mark this struct as having been generated. 3263a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCSynthesizedStructs.insert(CDecl)) 3264fbfe82527dadb09c95609a742744d75a2322850cSteve Naroff assert(false && "struct already synthesize- SynthesizeObjCInternalStruct"); 326526e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian} 326626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian 3267a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek// RewriteObjCMethodsMetaData - Rewrite methods metadata for instance or 32682e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian/// class methods. 3269653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregortemplate<typename MethodIterator> 3270653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregorvoid RewriteObjC::RewriteObjCMethodsMetaData(MethodIterator MethodBegin, 3271653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor MethodIterator MethodEnd, 32728e991ba2e256e56959a65a049e161aa30b3c0decFariborz Jahanian bool IsInstanceMethod, 32734087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, 32744087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, 3275158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner std::string &Result) { 3276ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner if (MethodBegin == MethodEnd) return; 32771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3278ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner if (!objc_impl_method) { 32792e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_method { 3280e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian SEL _cmd; 3281e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian char *method_types; 3282e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian void *_imp; 3283e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 32842e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 3285158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\nstruct _objc_method {\n"; 3286158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tSEL _cmd;\n"; 3287158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tchar *method_types;\n"; 3288158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "\tvoid *_imp;\n"; 3289158ecb9767faf87c2a33df3baec1b160dcc0be84Chris Lattner Result += "};\n"; 32901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3291ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian objc_impl_method = true; 3292ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 32931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3294ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian // Build _objc_method_list for class's methods if needed 32951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3296946a693aea83123f4039012c3bca7bc70800018bSteve Naroff /* struct { 3297946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_method_list *next_method; 3298946a693aea83123f4039012c3bca7bc70800018bSteve Naroff int method_count; 3299946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_method method_list[]; 3300946a693aea83123f4039012c3bca7bc70800018bSteve Naroff } 3301946a693aea83123f4039012c3bca7bc70800018bSteve Naroff */ 3302653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor unsigned NumMethods = std::distance(MethodBegin, MethodEnd); 3303946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\nstatic struct {\n"; 3304946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_method_list *next_method;\n"; 3305946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tint method_count;\n"; 3306946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_method method_list["; 3307653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Result += utostr(NumMethods); 3308946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "];\n} _OBJC_"; 3309ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += prefix; 3310ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += IsInstanceMethod ? "INSTANCE" : "CLASS"; 3311ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "_METHODS_"; 3312ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += ClassName; 3313dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __"; 3314ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += IsInstanceMethod ? "inst" : "cls"; 3315ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "_meth\")))= "; 3316653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Result += "{\n\t0, " + utostr(NumMethods) + "\n"; 3317ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner 3318ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t,{{(SEL)\""; 3319077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Result += (*MethodBegin)->getSelector().getAsString().c_str(); 3320ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner std::string MethodTypeString; 3321a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 3322ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\", \""; 3323ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodTypeString; 3324946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\", (void *)"; 3325ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodInternalNames[*MethodBegin]; 3326ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "}\n"; 3327ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner for (++MethodBegin; MethodBegin != MethodEnd; ++MethodBegin) { 3328ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t ,{(SEL)\""; 3329077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner Result += (*MethodBegin)->getSelector().getAsString().c_str(); 333033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian std::string MethodTypeString; 3331a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek Context->getObjCEncodingForMethodDecl(*MethodBegin, MethodTypeString); 333233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian Result += "\", \""; 333333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian Result += MethodTypeString; 3334946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\", (void *)"; 3335ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += MethodInternalNames[*MethodBegin]; 3336b7908b5c54aeafc1ff98797e304d61c68b1aed25Fariborz Jahanian Result += "}\n"; 3337e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3338ab4c4d5e5ececa77aae7e291fafcba3049319cdcChris Lattner Result += "\t }\n};\n"; 33392e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 33402e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3341621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff/// RewriteObjCProtocolMetaData - Rewrite protocols meta-data. 3342780f329cb011bff0da5763e2e9744eec093d0509Chris Lattnervoid RewriteObjC:: 33434087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarRewriteObjCProtocolMetaData(ObjCProtocolDecl *PDecl, llvm::StringRef prefix, 33444087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef ClassName, std::string &Result) { 3345e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian static bool objc_protocol_methods = false; 3346621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3347621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output struct protocol_methods holder of method selector and type. 3348621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!objc_protocol_methods && !PDecl->isForwardDecl()) { 3349621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct protocol_methods { 3350621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff SEL _cmd; 3351621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff char *method_types; 3352621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3353621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3354621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstruct _protocol_methods {\n"; 3355621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct objc_selector *_cmd;\n"; 3356621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tchar *method_types;\n"; 3357621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "};\n"; 33581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3359621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff objc_protocol_methods = true; 3360621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3361621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Do not synthesize the protocol more than once. 3362621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ObjCSynthesizedProtocols.count(PDecl)) 3363621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return; 33641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 336517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->instmeth_begin() != PDecl->instmeth_end()) { 336617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumMethods = std::distance(PDecl->instmeth_begin(), 336717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PDecl->instmeth_end()); 3368621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol_method_list { 3369621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff int protocol_method_count; 3370621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct protocol_methods protocols[]; 3371621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3372621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3373621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct {\n"; 3374621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tint protocol_method_count;\n"; 3375621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _protocol_methods protocol_methods["; 3376621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3377621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "];\n} _OBJC_PROTOCOL_INSTANCE_METHODS_"; 3378621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3379621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __cat_inst_meth\")))= " 3380621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t" + utostr(NumMethods) + "\n"; 33811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3382621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output instance methods declared in this protocol. 33831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::instmeth_iterator 33841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump I = PDecl->instmeth_begin(), E = PDecl->instmeth_end(); 3385621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff I != E; ++I) { 338617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (I == PDecl->instmeth_begin()) 3387621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{{(struct objc_selector *)\""; 3388621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3389621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{(struct objc_selector *)\""; 33904087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Result += (*I)->getSelector().getAsString(); 3391621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string MethodTypeString; 3392621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForMethodDecl((*I), MethodTypeString); 3393621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", \""; 3394621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += MethodTypeString; 3395621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\"}\n"; 33969d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 3397621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t }\n};\n"; 3398621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 33991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3400621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output class methods declared in this protocol. 340117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumMethods = std::distance(PDecl->classmeth_begin(), 340217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PDecl->classmeth_end()); 3403621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (NumMethods > 0) { 3404621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol_method_list { 3405621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff int protocol_method_count; 3406621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct protocol_methods protocols[]; 3407621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 34089d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner */ 3409621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct {\n"; 3410621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tint protocol_method_count;\n"; 3411621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _protocol_methods protocol_methods["; 3412621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3413621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "];\n} _OBJC_PROTOCOL_CLASS_METHODS_"; 3414d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += PDecl->getNameAsString(); 3415621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 3416621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t"; 3417621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += utostr(NumMethods); 3418621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\n"; 34191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3420621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output instance methods declared in this protocol. 34211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (ObjCProtocolDecl::classmeth_iterator 342217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis I = PDecl->classmeth_begin(), E = PDecl->classmeth_end(); 3423621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff I != E; ++I) { 342417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (I == PDecl->classmeth_begin()) 3425621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{{(struct objc_selector *)\""; 3426621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3427621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t ,{(struct objc_selector *)\""; 34284087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Result += (*I)->getSelector().getAsString(); 3429621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string MethodTypeString; 3430621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForMethodDecl((*I), MethodTypeString); 3431621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", \""; 3432621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += MethodTypeString; 3433621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\"}\n"; 3434e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3435621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\t }\n};\n"; 3436621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3437621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3438621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Output: 3439621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff /* struct _objc_protocol { 3440621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Objective-C 1.0 extensions 3441621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_extension *isa; 3442621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff char *protocol_name; 3443621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol **protocol_list; 3444621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_method_list *instance_methods; 3445621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff struct _objc_protocol_method_list *class_methods; 34461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3447621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff */ 3448621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff static bool objc_protocol = false; 3449621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!objc_protocol) { 3450621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstruct _objc_protocol {\n"; 3451621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_extension *isa;\n"; 3452621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tchar *protocol_name;\n"; 3453621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol **protocol_list;\n"; 3454621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_method_list *instance_methods;\n"; 3455621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\tstruct _objc_protocol_method_list *class_methods;\n"; 34569d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "};\n"; 34571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3458621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff objc_protocol = true; 3459621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 34601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3461621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\nstatic struct _objc_protocol _OBJC_PROTOCOL_"; 3462621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3463621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __protocol\")))= " 3464621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff "{\n\t0, \""; 3465621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3466621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\", 0, "; 346717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->instmeth_begin() != PDecl->instmeth_end()) { 3468621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_INSTANCE_METHODS_"; 3469621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3470621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += ", "; 34719d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 3472621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3473621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "0, "; 347417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (PDecl->classmeth_begin() != PDecl->classmeth_end()) { 3475621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "(struct _objc_protocol_method_list *)&_OBJC_PROTOCOL_CLASS_METHODS_"; 3476621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += PDecl->getNameAsString(); 3477621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "\n"; 3478621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 3479621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 3480621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "0\n"; 3481621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "};\n"; 34821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3483621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Mark this protocol as having been generated. 3484621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (!ObjCSynthesizedProtocols.insert(PDecl)) 3485621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff assert(false && "protocol already synthesized"); 3486621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3487621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff} 3488621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3489621edce9cd7d4e06979daf911cc306350619f33bSteve Naroffvoid RewriteObjC:: 3490621edce9cd7d4e06979daf911cc306350619f33bSteve NaroffRewriteObjCProtocolListMetaData(const ObjCList<ObjCProtocolDecl> &Protocols, 34914087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef prefix, llvm::StringRef ClassName, 3492621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string &Result) { 3493621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (Protocols.empty()) return; 34941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3495621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff for (unsigned i = 0; i != Protocols.size(); i++) 3496621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolMetaData(Protocols[i], prefix, ClassName, Result); 3497621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 34989d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner // Output the top lovel protocol meta-data for the class. 34999d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner /* struct _objc_protocol_list { 35009d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner struct _objc_protocol_list *next; 35019d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner int protocol_count; 35029d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner struct _objc_protocol *class_protocols[]; 35039d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 35049d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner */ 35059d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\nstatic struct {\n"; 35069d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tstruct _objc_protocol_list *next;\n"; 35079d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tint protocol_count;\n"; 35089d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\tstruct _objc_protocol *class_protocols["; 35099d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += utostr(Protocols.size()); 35109d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "];\n} _OBJC_"; 35119d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += prefix; 35129d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "_PROTOCOLS_"; 35139d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += ClassName; 35149d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += " __attribute__ ((used, section (\"__OBJC, __cat_cls_meth\")))= " 35159d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner "{\n\t0, "; 35169d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += utostr(Protocols.size()); 35179d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\n"; 35181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35199d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t,{&_OBJC_PROTOCOL_"; 3520d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += Protocols[0]->getNameAsString(); 35219d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += " \n"; 35221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35239d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner for (unsigned i = 1; i != Protocols.size(); i++) { 35249d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t ,&_OBJC_PROTOCOL_"; 3525d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += Protocols[i]->getNameAsString(); 35269d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\n"; 35279d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner } 35289d0aaa11cd5e657987bbb2d54b63bb0fd18c5117Chris Lattner Result += "\t }\n};\n"; 35292e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 35302e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3531621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 35321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// RewriteObjCCategoryImplDecl - Rewrite metadata for each category 35332e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian/// implementation. 3534b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCCategoryImplDecl(ObjCCategoryImplDecl *IDecl, 3535ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result) { 3536a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *ClassDecl = IDecl->getClassInterface(); 35372e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Find category declaration for this implementation. 3538a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCCategoryDecl *CDecl; 35391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (CDecl = ClassDecl->getCategoryList(); CDecl; 35402e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian CDecl = CDecl->getNextClassCategory()) 35412e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (CDecl->getIdentifier() == IDecl->getIdentifier()) 35422e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian break; 35431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3544d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FullCategoryName = ClassDecl->getNameAsString(); 3545eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner FullCategoryName += '_'; 3546d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner FullCategoryName += IDecl->getNameAsString(); 35471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35482e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::SmallVector<ObjCMethodDecl *, 32> 355017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 3551653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor 3552653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // If any of our property implementations have associated getters or 3553653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // setters, produce metadata for them as well. 355417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 355517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PropEnd = IDecl->propimpl_end(); 3556653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Prop != PropEnd; ++Prop) { 3557653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 3558653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3559653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!(*Prop)->getPropertyIvarDecl()) 3560653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3561653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 3562653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!PD) 3563653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3564653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 3565653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Getter); 3566653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (PD->isReadOnly()) 3567653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3568653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 3569653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Setter); 3570653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor } 3571653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 3572eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner true, "CATEGORY_", FullCategoryName.c_str(), 3573eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner Result); 35741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35752e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's class methods if needed 357617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 3577eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner false, "CATEGORY_", FullCategoryName.c_str(), 3578eb44eeeff28810266259c125896c717d46a0e3b8Chris Lattner Result); 35791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35802e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Protocols referenced in class declaration? 3581bac97d43c9552ac0e084bb81fb7404908f1e9970Fariborz Jahanian // Null CDecl is case of a category implementation with no category interface 3582bac97d43c9552ac0e084bb81fb7404908f1e9970Fariborz Jahanian if (CDecl) 3583621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), "CATEGORY", 35844087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FullCategoryName, Result); 35852e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_category { 35862e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *category_name; 35872e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *class_name; 35882e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_method_list *instance_methods; 35892e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_method_list *class_methods; 35902e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian struct _objc_protocol_list *protocols; 35912e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Objective-C 1.0 extensions 35922e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian uint32_t size; // sizeof (struct _objc_category) 35931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump struct _objc_property_list *instance_properties; // category's own 35942e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // @property decl. 35951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 35962e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 35971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35982e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian static bool objc_category = false; 35992e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (!objc_category) { 3600ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_category {\n"; 3601ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *category_name;\n"; 3602ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *class_name;\n"; 3603ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *instance_methods;\n"; 3604ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *class_methods;\n"; 3605ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 36061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\tunsigned int size;\n"; 3607ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_property_list *instance_properties;\n"; 3608ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 36092e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian objc_category = true; 3610e887c0939572f063b07b6ac2df16140c40fcb667Fariborz Jahanian } 3611ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_category _OBJC_CATEGORY_"; 3612ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3613dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __category\")))= {\n\t\""; 3614d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 3615ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\"\n\t, \""; 3616d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ClassDecl->getNameAsString(); 3617ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\"\n"; 36181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 361917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 3620ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 3621ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "&_OBJC_CATEGORY_INSTANCE_METHODS_"; 3622ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3623ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3624ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 36252e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3626ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 362717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 3628ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, (struct _objc_method_list *)" 3629ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "&_OBJC_CATEGORY_CLASS_METHODS_"; 3630ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3631ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3632ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 36332e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3634ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 36351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3636cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl && CDecl->protocol_begin() != CDecl->protocol_end()) { 36371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t, (struct _objc_protocol_list *)&_OBJC_CATEGORY_PROTOCOLS_"; 3638ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += FullCategoryName; 3639ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3640ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 36412e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian else 3642ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, 0\n"; 3643ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t, sizeof(struct _objc_category), 0\n};\n"; 36442e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian} 36452e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 364626e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// SynthesizeIvarOffsetComputation - This rutine synthesizes computation of 364726e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian/// ivar offset. 36487c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanianvoid RewriteObjC::SynthesizeIvarOffsetComputation(ObjCContainerDecl *IDecl, 36491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCIvarDecl *ivar, 365026e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian std::string &Result) { 36518f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff if (ivar->isBitField()) { 36528f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff // FIXME: The hack below doesn't work for bitfields. For now, we simply 36538f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff // place all bitfields at offset 0. 36548f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "0"; 36558f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff } else { 36568f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "__OFFSETOFIVAR__(struct "; 3657d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 36588f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff if (LangOpts.Microsoft) 36598f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += "_IMPL"; 36608f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += ", "; 3661d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ivar->getNameAsString(); 36628f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff Result += ")"; 36638f3b2654a9ff6912862f366102f5c46f7757260aSteve Naroff } 366426e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian} 366526e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian 36662e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian//===----------------------------------------------------------------------===// 36672e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian// Meta Data Emission 36682e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian//===----------------------------------------------------------------------===// 36692e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3670b29b427fa977e8e13ea104d22b193b2cd8a4a52fSteve Naroffvoid RewriteObjC::RewriteObjCClassMetaData(ObjCImplementationDecl *IDecl, 3671ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian std::string &Result) { 3672a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *CDecl = IDecl->getClassInterface(); 36731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3674ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian // Explictly declared @interface's are already synthesized. 367533feeb019a5742b286eededd5446ec0fe87c5a61Steve Naroff if (CDecl->isImplicitInterfaceDecl()) { 36761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: Implementation of a class with no @interface (legacy) doese not 3677ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian // produce correct synthesis as yet. 3678a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek SynthesizeObjCInternalStruct(CDecl, Result); 3679ebe668fac7553b9932e1936a997e96dc08c9cae4Fariborz Jahanian } 36801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3681be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner // Build _objc_ivar_list metadata for classes ivars if needed 368217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis unsigned NumIvars = !IDecl->ivar_empty() 36831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ? IDecl->ivar_size() 3684f3a7af901231535191d14cb524d58f22907ac4d2Chris Lattner : (CDecl ? CDecl->ivar_size() : 0); 36852e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (NumIvars > 0) { 36862e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian static bool objc_ivar = false; 36872e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian if (!objc_ivar) { 36882e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian /* struct _objc_ivar { 36892e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *ivar_name; 36902e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian char *ivar_type; 36912e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian int ivar_offset; 36921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 36932e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian */ 3694ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_ivar {\n"; 3695ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *ivar_name;\n"; 3696ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *ivar_type;\n"; 3697ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tint ivar_offset;\n"; 3698ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 36991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37002e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian objc_ivar = true; 37012e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian } 37022e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian 3703946a693aea83123f4039012c3bca7bc70800018bSteve Naroff /* struct { 3704946a693aea83123f4039012c3bca7bc70800018bSteve Naroff int ivar_count; 3705946a693aea83123f4039012c3bca7bc70800018bSteve Naroff struct _objc_ivar ivar_list[nIvars]; 37061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3707946a693aea83123f4039012c3bca7bc70800018bSteve Naroff */ 37081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\nstatic struct {\n"; 3709946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tint ivar_count;\n"; 3710946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "\tstruct _objc_ivar ivar_list["; 3711946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += utostr(NumIvars); 3712946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += "];\n} _OBJC_INSTANCE_VARIABLES_"; 3713d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 3714dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __instance_vars\")))= " 3715ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t"; 3716ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += utostr(NumIvars); 3717ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 37181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3719a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl::ivar_iterator IVI, IVE; 37208f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor llvm::SmallVector<ObjCIvarDecl *, 8> IVars; 372117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (!IDecl->ivar_empty()) { 372211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator 372317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis IV = IDecl->ivar_begin(), IVEnd = IDecl->ivar_end(); 37248f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor IV != IVEnd; ++IV) 37258f36aba016c2d236a90f9ecf0a66904209202202Douglas Gregor IVars.push_back(*IV); 372611062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian IVI = IDecl->ivar_begin(); 372711062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian IVE = IDecl->ivar_end(); 3728be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner } else { 3729be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner IVI = CDecl->ivar_begin(); 3730be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner IVE = CDecl->ivar_end(); 3731be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner } 3732ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,{{\""; 3733d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (*IVI)->getNameAsString(); 3734160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", \""; 3735621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string TmpString, StrEncoding; 3736621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 3737621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QuoteDoublequotes(TmpString, StrEncoding); 3738160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += StrEncoding; 3739160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", "; 3740be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner SynthesizeIvarOffsetComputation(IDecl, *IVI, Result); 374126e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian Result += "}\n"; 3742be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner for (++IVI; IVI != IVE; ++IVI) { 3743ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t ,{\""; 3744d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (*IVI)->getNameAsString(); 3745160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", \""; 3746621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff std::string TmpString, StrEncoding; 3747621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Context->getObjCEncodingForType((*IVI)->getType(), TmpString, *IVI); 3748621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff QuoteDoublequotes(TmpString, StrEncoding); 3749160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += StrEncoding; 3750160eb6538eee38b6827a6173c4f7cc0630b29ed5Fariborz Jahanian Result += "\", "; 3751be6df088d69bca0e99c7845a6cd8c1ca85034f31Chris Lattner SynthesizeIvarOffsetComputation(IDecl, (*IVI), Result); 375226e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian Result += "}\n"; 3753ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 37541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3755ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t }\n};\n"; 37562e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian } 37571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37582e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's instance methods if needed 37591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump llvm::SmallVector<ObjCMethodDecl *, 32> 376017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis InstanceMethods(IDecl->instmeth_begin(), IDecl->instmeth_end()); 3761653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor 3762653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // If any of our property implementations have associated getters or 3763653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor // setters, produce metadata for them as well. 376417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (ObjCImplDecl::propimpl_iterator Prop = IDecl->propimpl_begin(), 376517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis PropEnd = IDecl->propimpl_end(); 3766653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor Prop != PropEnd; ++Prop) { 3767653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if ((*Prop)->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic) 3768653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3769653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!(*Prop)->getPropertyIvarDecl()) 3770653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3771653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor ObjCPropertyDecl *PD = (*Prop)->getPropertyDecl(); 3772653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (!PD) 3773653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3774653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Getter = PD->getGetterMethodDecl()) 3775653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Getter); 3776653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (PD->isReadOnly()) 3777653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor continue; 3778653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor if (ObjCMethodDecl *Setter = PD->getSetterMethodDecl()) 3779653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor InstanceMethods.push_back(Setter); 3780653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor } 3781653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor RewriteObjCMethodsMetaData(InstanceMethods.begin(), InstanceMethods.end(), 37824087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar true, "", IDecl->getName(), Result); 37831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37842e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Build _objc_method_list for class's class methods if needed 378517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis RewriteObjCMethodsMetaData(IDecl->classmeth_begin(), IDecl->classmeth_end(), 37864087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar false, "", IDecl->getName(), Result); 37871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37882e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // Protocols referenced in class declaration? 3789621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolListMetaData(CDecl->getReferencedProtocols(), 37904087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar "CLASS", CDecl->getName(), Result); 37911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3792deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // Declaration of class/meta-class metadata 3793deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian /* struct _objc_class { 3794deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_class *isa; // or const char *root_class_name when metadata 37959f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian const char *super_class_name; 37969f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian char *name; 37979f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long version; 37989f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long info; 37999f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian long instance_size; 3800deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_ivar_list *ivars; 3801deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian struct _objc_method_list *methods; 38029f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct objc_cache *cache; 38039f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct objc_protocol_list *protocols; 38049f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian const char *ivar_layout; 38059f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian struct _objc_class_ext *ext; 38061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 38079f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian */ 3808deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian static bool objc_class = false; 3809deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian if (!objc_class) { 3810ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_class {\n"; 3811ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_class *isa;\n"; 3812ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *super_class_name;\n"; 3813ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tchar *name;\n"; 3814ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong version;\n"; 3815ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong info;\n"; 3816ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong instance_size;\n"; 3817ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_ivar_list *ivars;\n"; 3818ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_method_list *methods;\n"; 3819ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct objc_cache *cache;\n"; 3820ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_protocol_list *protocols;\n"; 3821ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *ivar_layout;\n"; 3822ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_class_ext *ext;\n"; 3823ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 3824deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian objc_class = true; 38259f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian } 38261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38279f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian // Meta-class metadata generation. 3828a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *RootClass = 0; 3829a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCInterfaceDecl *SuperClass = CDecl->getSuperClass(); 38309f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian while (SuperClass) { 38319f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian RootClass = SuperClass; 38329f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian SuperClass = SuperClass->getSuperClass(); 38339f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian } 38349f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian SuperClass = CDecl->getSuperClass(); 38351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3836ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_METACLASS_"; 3837d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3838dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __meta_class\")))= " 3839ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t(struct _objc_class *)\""; 3840d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += (RootClass ? RootClass->getNameAsString() : CDecl->getNameAsString()); 3841ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3842ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian 3843ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (SuperClass) { 3844ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", \""; 3845d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += SuperClass->getNameAsString(); 3846ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\", \""; 3847d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3848ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3849ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3850ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian else { 3851ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0, \""; 3852d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3853ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3854ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3855a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek // Set 'ivars' field for root class to 0. ObjC1 runtime does not use it. 38569f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian // 'info' field is initialized to CLS_META(2) for metaclass 3857ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0,2, sizeof(struct _objc_class), 0"; 385817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->classmeth_begin() != IDecl->classmeth_end()) { 385923f4127411d926fc6a1fe9af7c2bf97e653f16ebSteve Naroff Result += "\n\t, (struct _objc_method_list *)&_OBJC_CLASS_METHODS_"; 3860d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += IDecl->getNameAsString(); 38611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\n"; 3862ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 38639f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian else 3864ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0\n"; 3865cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 38668eb4a5e70a1bc3d832f90a150fdd84096532c2e2Steve Naroff Result += "\t,0, (struct _objc_protocol_list *)&_OBJC_CLASS_PROTOCOLS_"; 3867d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3868ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0\n"; 3869ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3870454cb012a948ab3dfef5e80ee32b470689c42ba5Fariborz Jahanian else 3871ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,0,0,0,0\n"; 3872ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 38731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3874deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // class metadata generation. 3875ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstatic struct _objc_class _OBJC_CLASS_"; 3876d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3877dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff Result += " __attribute__ ((used, section (\"__OBJC, __class\")))= " 3878ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian "{\n\t&_OBJC_METACLASS_"; 3879d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3880ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (SuperClass) { 3881ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", \""; 3882d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += SuperClass->getNameAsString(); 3883ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\", \""; 3884d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3885ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3886ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3887ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian else { 3888ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0, \""; 3889d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3890ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\""; 3891ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3892deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian // 'info' field is initialized to CLS_CLASS(1) for class 38934d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ", 0,1"; 3894a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek if (!ObjCSynthesizedStructs.count(CDecl)) 38954d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ",0"; 38964d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian else { 38974d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian // class has size. Must synthesize its size. 3898909f02a69786e94d34d34fc8d4ea3e160bcff775Fariborz Jahanian Result += ",sizeof(struct "; 3899d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3900ba9ac4e5b86842216a0a0eef5886d41e0d7fed0eSteve Naroff if (LangOpts.Microsoft) 3901ba9ac4e5b86842216a0a0eef5886d41e0d7fed0eSteve Naroff Result += "_IMPL"; 39024d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian Result += ")"; 39034d733d3288112667cfa3993424987b9ad9427f8fFariborz Jahanian } 3904ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian if (NumIvars > 0) { 3905c0a123c81b4c88eb713ad2f82e3d7ad0e9ef7c68Steve Naroff Result += ", (struct _objc_ivar_list *)&_OBJC_INSTANCE_VARIABLES_"; 3906d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3907ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n\t"; 3908ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3909deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 3910ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0"; 391117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis if (IDecl->instmeth_begin() != IDecl->instmeth_end()) { 3912946a693aea83123f4039012c3bca7bc70800018bSteve Naroff Result += ", (struct _objc_method_list *)&_OBJC_INSTANCE_METHODS_"; 3913d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 39141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += ", 0\n\t"; 3915ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3916deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 3917ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0"; 3918cafeb35117578585dbbfef0bc79d8aa27712bc0eChris Lattner if (CDecl->protocol_begin() != CDecl->protocol_end()) { 39198eb4a5e70a1bc3d832f90a150fdd84096532c2e2Steve Naroff Result += ", (struct _objc_protocol_list*)&_OBJC_CLASS_PROTOCOLS_"; 3920d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CDecl->getNameAsString(); 3921ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ", 0,0\n"; 3922ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 3923deef51838bcf0a1a94832a083fb69ddecd008e8cFariborz Jahanian else 3924ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += ",0,0,0\n"; 3925ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n"; 39269f0a1cb8cf741d8ccd86beb15b50867b0758750fFariborz Jahanian} 3927f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian 39287a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian/// RewriteImplementations - This routine rewrites all method implementations 39297a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian/// and emits meta-data. 39307a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian 3931ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroffvoid RewriteObjC::RewriteImplementations() { 3932545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian int ClsDefCount = ClassImplementation.size(); 3933545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian int CatDefCount = CategoryImplementation.size(); 39341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39357a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian // Rewrite implemented methods 39367a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 39377a3279ddb8b0cdb7444410bc91e2c7419efaedd8Fariborz Jahanian RewriteImplementationDecl(ClassImplementation[i]); 39381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 393966d6b294af6f114c718039e3279cfd23040cad7bFariborz Jahanian for (int i = 0; i < CatDefCount; i++) 394066d6b294af6f114c718039e3279cfd23040cad7bFariborz Jahanian RewriteImplementationDecl(CategoryImplementation[i]); 3941ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff} 39421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3943ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroffvoid RewriteObjC::SynthesizeMetaDataIntoBuffer(std::string &Result) { 3944ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff int ClsDefCount = ClassImplementation.size(); 3945ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff int CatDefCount = CategoryImplementation.size(); 39467c63fddad600e710042fa018768807bd04eaa233Fariborz Jahanian 39472e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // For each implemented class, write out all its meta data. 3948f4d331dd922f92478ebf30e808c0ca97ce49418bFariborz Jahanian for (int i = 0; i < ClsDefCount; i++) 3949a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCClassMetaData(ClassImplementation[i], Result); 39501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39512e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian // For each implemented category, write out all its meta data. 39522e6d935930867d93d84d234ada30d93a0371754dFariborz Jahanian for (int i = 0; i < CatDefCount; i++) 3953a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek RewriteObjCCategoryImplDecl(CategoryImplementation[i], Result); 3954621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 3955545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian // Write objc_symtab metadata 3956545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian /* 3957545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_symtab 3958545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian { 3959545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long sel_ref_cnt; 3960545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian SEL *refs; 3961545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian short cls_def_cnt; 3962545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian short cat_def_cnt; 3963545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian void *defs[cls_def_cnt + cat_def_cnt]; 39641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 3965545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian */ 39661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3967ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_symtab {\n"; 3968ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong sel_ref_cnt;\n"; 3969ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tSEL *refs;\n"; 3970ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tshort cls_def_cnt;\n"; 3971ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tshort cat_def_cnt;\n"; 3972ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tvoid *defs[" + utostr(ClsDefCount + CatDefCount)+ "];\n"; 3973ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 39741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3975ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "static struct _objc_symtab " 3976dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff "_OBJC_SYMBOLS __attribute__((used, section (\"__OBJC, __symbols\")))= {\n"; 39771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t0, 0, " + utostr(ClsDefCount) 3978ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian + ", " + utostr(CatDefCount) + "\n"; 3979ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian for (int i = 0; i < ClsDefCount; i++) { 3980ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,&_OBJC_CLASS_"; 3981d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += ClassImplementation[i]->getNameAsString(); 3982ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3983ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 39841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3985ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian for (int i = 0; i < CatDefCount; i++) { 3986ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\t,&_OBJC_CATEGORY_"; 3987d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CategoryImplementation[i]->getClassInterface()->getNameAsString(); 3988ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "_"; 3989d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner Result += CategoryImplementation[i]->getNameAsString(); 3990ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\n"; 3991ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian } 39921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3993ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 39941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3995545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian // Write objc_module metadata 39961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3997545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian /* 3998545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_module { 3999545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long version; 4000545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian long size; 4001545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian const char *name; 4002545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian struct _objc_symtab *symtab; 4003545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian } 4004545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian */ 40051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4006ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\nstruct _objc_module {\n"; 4007ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong version;\n"; 4008ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tlong size;\n"; 4009ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tconst char *name;\n"; 4010ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "\tstruct _objc_symtab *symtab;\n"; 4011ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 4012ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "static struct _objc_module " 4013dbb6543dd11e818df8a3228c6ffcc1976f096b15Steve Naroff "_OBJC_MODULES __attribute__ ((used, section (\"__OBJC, __module_info\")))= {\n"; 40141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Result += "\t" + utostr(OBJC_ABI_VERSION) + 401526e4cd331c389a9b7d51c91981a7a10c8a909bf4Fariborz Jahanian ", sizeof(struct _objc_module), \"\", &_OBJC_SYMBOLS\n"; 4016ccd87b07a714b6e2735a80e89e425ce7fdf6a8d8Fariborz Jahanian Result += "};\n\n"; 40174f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff 40184f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff if (LangOpts.Microsoft) { 4019621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ProtocolExprDecls.size()) { 4020621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma section(\".objc_protocol$B\",long,read,write)\n"; 4021621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma data_seg(push, \".objc_protocol$B\")\n"; 40221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 4023621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff E = ProtocolExprDecls.end(); I != E; ++I) { 4024621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "static struct _objc_protocol *_POINTER_OBJC_PROTOCOL_"; 4025621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += (*I)->getNameAsString(); 4026621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += " = &_OBJC_PROTOCOL_"; 4027621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += (*I)->getNameAsString(); 4028621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += ";\n"; 4029621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 4030621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Result += "#pragma data_seg(pop)\n\n"; 4031621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff } 40324f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "#pragma section(\".objc_module_info$B\",long,read,write)\n"; 40331919032c9b6e9969e42093ee2e75a4de6abcb2b0Steve Naroff Result += "#pragma data_seg(push, \".objc_module_info$B\")\n"; 40344f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "static struct _objc_module *_POINTER_OBJC_MODULES = "; 40354f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "&_OBJC_MODULES;\n"; 40364f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff Result += "#pragma data_seg(pop)\n\n"; 40374f943c23a47d042c3275e78f2d6015daa650f105Steve Naroff } 4038545b9ae381158761d387d2b5b071f28b1f489ed6Fariborz Jahanian} 4039311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner 4040a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanianvoid RewriteObjC::RewriteByRefString(std::string &ResultStr, 4041a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian const std::string &Name, 4042a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ValueDecl *VD) { 4043a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian assert(BlockByRefDeclNo.count(VD) && 4044a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "RewriteByRefString: ByRef decl missing"); 4045a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ResultStr += "struct __Block_byref_" + Name + 4046a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "_" + utostr(BlockByRefDeclNo[VD]) ; 4047a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian} 4048a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian 40496cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanianstatic bool HasLocalVariableExternalStorage(ValueDecl *VD) { 40506cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 40516cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return (Var->isFunctionOrMethodVarDecl() && !Var->hasLocalStorage()); 40526cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return false; 40536cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian} 40546cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 405554055232a5ddb9529726e934301b125cb720a273Steve Naroffstd::string RewriteObjC::SynthesizeBlockFunc(BlockExpr *CE, int i, 40564087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, 405754055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Tag) { 405854055232a5ddb9529726e934301b125cb720a273Steve Naroff const FunctionType *AFT = CE->getFunctionType(); 405954055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType RT = AFT->getResultType(); 406054055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string StructRef = "struct " + Tag; 4061fa297fb29b38991c537a0ae90ff595102dcd21a9Daniel Dunbar std::string S = "static " + RT.getAsString(Context->PrintingPolicy) + " __" + 40624087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar funcName.str() + "_" + "block_func_" + utostr(i); 406354055232a5ddb9529726e934301b125cb720a273Steve Naroff 406454055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDecl *BD = CE->getBlockDecl(); 40651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 406672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(AFT)) { 40671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // No user-supplied arguments. Still need to pass in a pointer to the 4068df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff // block (to reference imported block decl refs). 4069df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff S += "(" + StructRef + " *__cself)"; 407054055232a5ddb9529726e934301b125cb720a273Steve Naroff } else if (BD->param_empty()) { 407154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef + " *__cself)"; 407254055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 407372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FT = cast<FunctionProtoType>(AFT); 407454055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(FT && "SynthesizeBlockFunc: No function proto"); 407554055232a5ddb9529726e934301b125cb720a273Steve Naroff S += '('; 407654055232a5ddb9529726e934301b125cb720a273Steve Naroff // first add the implicit argument. 407754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += StructRef + " *__cself, "; 407854055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ParamStr; 407954055232a5ddb9529726e934301b125cb720a273Steve Naroff for (BlockDecl::param_iterator AI = BD->param_begin(), 408054055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BD->param_end(); AI != E; ++AI) { 408154055232a5ddb9529726e934301b125cb720a273Steve Naroff if (AI != BD->param_begin()) S += ", "; 4082d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner ParamStr = (*AI)->getNameAsString(); 40831f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType QT = (*AI)->getType(); 40844fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(QT)) 40854fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->PrintingPolicy); 40861f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian else 40871f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QT.getAsStringInternal(ParamStr, Context->PrintingPolicy); 408854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += ParamStr; 408954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 409054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FT->isVariadic()) { 409154055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!BD->param_empty()) S += ", "; 409254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "..."; 409354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 409454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += ')'; 409554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 409654055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " {\n"; 40971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 409854055232a5ddb9529726e934301b125cb720a273Steve Naroff // Create local declarations to avoid rewriting all closure decl ref exprs. 409954055232a5ddb9529726e934301b125cb720a273Steve Naroff // First, emit a declaration for all "by ref" decls. 4100bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 410154055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 410254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4103d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 4104a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string TypeString; 4105a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(TypeString, Name, (*I)); 4106a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian TypeString += " *"; 410752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Name = TypeString + Name; 4108d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += Name + " = __cself->" + (*I)->getNameAsString() + "; // bound by ref\n"; 41091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 411054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Next, emit a declaration for all "by copy" declarations. 4111bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 411254055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 411354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 411454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 411554055232a5ddb9529726e934301b125cb720a273Steve Naroff // 411654055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedClosure)(void); 411754055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedClosure = ^(void) { setGlobalInt(x + y); }; 41181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 411954055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherClosure)(void); 412054055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherClosure = ^(void) { 412154055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedClosure(); // import and invoke the closure 412254055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 412354055232a5ddb9529726e934301b125cb720a273Steve Naroff // 4124e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) { 4125e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian RewriteBlockPointerTypeVariable(S, (*I)); 4126e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += " = ("; 4127e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian RewriteBlockPointerType(S, (*I)->getType()); 4128e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += ")"; 4129e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += "__cself->" + (*I)->getNameAsString() + "; // bound by copy\n"; 4130e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 4131e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian else { 4132210c248449788d9ef910c8222267029653f83a2fFariborz Jahanian std::string Name = (*I)->getNameAsString(); 41336cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 41346cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 41356cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 41366cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(Name, Context->PrintingPolicy); 4137e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian S += Name + " = __cself->" + 4138e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian (*I)->getNameAsString() + "; // bound by copy\n"; 4139e8c28dffce846b1783fd11cc130b4be4f9894301Fariborz Jahanian } 414054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 414154055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string RewrittenStr = RewrittenBlockExprs[CE]; 414254055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *cstr = RewrittenStr.c_str(); 414354055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*cstr++ != '{') ; 414454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += cstr; 414554055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "\n"; 414654055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 414754055232a5ddb9529726e934301b125cb720a273Steve Naroff} 414854055232a5ddb9529726e934301b125cb720a273Steve Naroff 414954055232a5ddb9529726e934301b125cb720a273Steve Naroffstd::string RewriteObjC::SynthesizeBlockHelperFuncs(BlockExpr *CE, int i, 41504087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef funcName, 415154055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Tag) { 415254055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string StructRef = "struct " + Tag; 415354055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string S = "static void __"; 41541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 415554055232a5ddb9529726e934301b125cb720a273Steve Naroff S += funcName; 415654055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "_block_copy_" + utostr(i); 415754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef; 415854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*dst, " + StructRef; 415954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*src) {"; 41601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 416154055232a5ddb9529726e934301b125cb720a273Steve Naroff E = ImportedBlockDecls.end(); I != E; ++I) { 41625bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff S += "_Block_object_assign((void*)&dst->"; 4163d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 416447a242208867fa433d05a78bf346bbb37721a507Steve Naroff S += ", (void*)src->"; 4165d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 4166bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 416773e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 4168d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian else 416973e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 417054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4171d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian S += "}\n"; 4172d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian 417354055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "\nstatic void __"; 417454055232a5ddb9529726e934301b125cb720a273Steve Naroff S += funcName; 417554055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "_block_dispose_" + utostr(i); 417654055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "(" + StructRef; 417754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "*src) {"; 41781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ValueDecl*,8>::iterator I = ImportedBlockDecls.begin(), 417954055232a5ddb9529726e934301b125cb720a273Steve Naroff E = ImportedBlockDecls.end(); I != E; ++I) { 41805bc60d0c324a1b3984cd4a32acb587c8f873ab5fSteve Naroff S += "_Block_object_dispose((void*)src->"; 4181d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner S += (*I)->getNameAsString(); 4182bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (BlockByRefDeclsPtrSet.count((*I))) 418373e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_BYREF) + "/*BLOCK_FIELD_IS_BYREF*/);"; 4184d25d1b53f098a4dc52469d9956bdd248ea29b38eFariborz Jahanian else 418573e437bbe7e9631ad9055b1d50f4ae8564efbdf3Fariborz Jahanian S += ", " + utostr(BLOCK_FIELD_IS_OBJECT) + "/*BLOCK_FIELD_IS_OBJECT*/);"; 418654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 41871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump S += "}\n"; 418854055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 418954055232a5ddb9529726e934301b125cb720a273Steve Naroff} 4190ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 419101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroffstd::string RewriteObjC::SynthesizeBlockImpl(BlockExpr *CE, std::string Tag, 419201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string Desc) { 4193ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff std::string S = "\nstruct " + Tag; 419454055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string Constructor = " " + Tag; 41951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 419654055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " {\n struct __block_impl impl;\n"; 419701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " struct " + Desc; 419801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "* Desc;\n"; 41991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 420001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += "(void *fp, "; // Invoke function pointer. 420101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += "struct " + Desc; // Descriptor pointer. 420201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " *desc"; 42031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 420454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs.size()) { 420554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Output all "by copy" declarations. 4206bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 420754055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 420854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4209d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FieldName = (*I)->getNameAsString(); 421054055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ArgName = "_" + FieldName; 421154055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 421254055232a5ddb9529726e934301b125cb720a273Steve Naroff // 421354055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedBlock)(void); 421454055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 42151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 421654055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherBlock)(void); 421754055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherBlock = ^(void) { 421854055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock(); // import and invoke the closure 421954055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 422054055232a5ddb9529726e934301b125cb720a273Steve Naroff // 422101f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) { 422254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "struct __block_impl *"; 422354055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", void *" + ArgName; 422454055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 42256cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 42266cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) 42276cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 42286cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(FieldName, Context->PrintingPolicy); 42296cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT.getAsStringInternal(ArgName, Context->PrintingPolicy); 423054055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", " + ArgName; 423154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 423254055232a5ddb9529726e934301b125cb720a273Steve Naroff S += FieldName + ";\n"; 423354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 423454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Output all "by ref" declarations. 4235bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 423654055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 423754055232a5ddb9529726e934301b125cb720a273Steve Naroff S += " "; 4238d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string FieldName = (*I)->getNameAsString(); 423954055232a5ddb9529726e934301b125cb720a273Steve Naroff std::string ArgName = "_" + FieldName; 424054055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle nested closure invocation. For example: 424154055232a5ddb9529726e934301b125cb720a273Steve Naroff // 424254055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^myImportedBlock)(void); 424354055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock = ^(void) { setGlobalInt(x + y); }; 42441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // 424554055232a5ddb9529726e934301b125cb720a273Steve Naroff // void (^anotherBlock)(void); 424654055232a5ddb9529726e934301b125cb720a273Steve Naroff // anotherBlock = ^(void) { 424754055232a5ddb9529726e934301b125cb720a273Steve Naroff // myImportedBlock(); // import and invoke the closure 424854055232a5ddb9529726e934301b125cb720a273Steve Naroff // }; 424954055232a5ddb9529726e934301b125cb720a273Steve Naroff // 425001f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) { 425154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "struct __block_impl *"; 425254055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", void *" + ArgName; 425354055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 4254a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string TypeString; 4255a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(TypeString, FieldName, (*I)); 425652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian TypeString += " *"; 425752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian FieldName = TypeString + FieldName; 425852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ArgName = TypeString + ArgName; 425954055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", " + ArgName; 426054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 426154055232a5ddb9529726e934301b125cb720a273Steve Naroff S += FieldName + "; // by ref\n"; 426254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 426354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Finish writing the constructor. 426420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", int flags=0)"; 426554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Initialize all "by copy" arguments. 426620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian bool firsTime = true; 4267bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 426854055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 4269d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 427020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (firsTime) { 427120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " : "; 427220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian firsTime = false; 427320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian } 427420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 427520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", "; 427620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (isTopLevelBlockPointerType((*I)->getType())) 427720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" + Name + ")"; 427820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 427920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "(_" + Name + ")"; 428054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 428154055232a5ddb9529726e934301b125cb720a273Steve Naroff // Initialize all "by ref" arguments. 4282bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 428354055232a5ddb9529726e934301b125cb720a273Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 4284d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner std::string Name = (*I)->getNameAsString(); 428520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (firsTime) { 428620432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " : "; 428720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian firsTime = false; 428820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian } 428920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 429020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += ", "; 429101f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType((*I)->getType())) 429220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "((struct __block_impl *)_" 429320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian + Name + "->__forwarding)"; 429454055232a5ddb9529726e934301b125cb720a273Steve Naroff else 429520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += Name + "(_" + Name + "->__forwarding)"; 429654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 429720432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian 429820432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " {\n"; 429920432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian if (GlobalVarDecl) 430020432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 430120432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian else 430220432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 430320432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 430420432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian 430520432ef377e8ebcf2933d3f568eaf72766b06116Fariborz Jahanian Constructor += " Desc = desc;\n"; 430654055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 430754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Finish writing the constructor. 430854055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += ", int flags=0) {\n"; 4309621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (GlobalVarDecl) 4310621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Constructor += " impl.isa = &_NSConcreteGlobalBlock;\n"; 4311621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff else 4312621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff Constructor += " impl.isa = &_NSConcreteStackBlock;\n"; 431301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " impl.Flags = flags;\n impl.FuncPtr = fp;\n"; 431401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Constructor += " Desc = desc;\n"; 431554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 431654055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += " "; 431754055232a5ddb9529726e934301b125cb720a273Steve Naroff Constructor += "}\n"; 431854055232a5ddb9529726e934301b125cb720a273Steve Naroff S += Constructor; 431954055232a5ddb9529726e934301b125cb720a273Steve Naroff S += "};\n"; 432054055232a5ddb9529726e934301b125cb720a273Steve Naroff return S; 432154055232a5ddb9529726e934301b125cb720a273Steve Naroff} 432239ba4aeca296b1c9f04bde7d9d3cbbf129f1abd3Argyrios Kyrtzidis 432301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroffstd::string RewriteObjC::SynthesizeBlockDescriptor(std::string DescTag, 432401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string ImplTag, int i, 43254087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName, 432601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned hasCopy) { 432701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string S = "\nstatic struct " + DescTag; 432801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 432901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " {\n unsigned long reserved;\n"; 433001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += " unsigned long Block_size;\n"; 433101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff if (hasCopy) { 43324fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += " void (*copy)(struct "; 43334fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*, struct "; 43344fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*);\n"; 43354fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian 43364fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += " void (*dispose)(struct "; 43374fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian S += ImplTag; S += "*);\n"; 433801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 433901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "} "; 434001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 434101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += DescTag + "_DATA = { 0, sizeof(struct "; 434201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += ImplTag + ")"; 434301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff if (hasCopy) { 43444087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar S += ", __" + FunName.str() + "_block_copy_" + utostr(i); 43454087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar S += ", __" + FunName.str() + "_block_dispose_" + utostr(i); 434601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 434701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff S += "};\n"; 434801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff return S; 434901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff} 435001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 435154055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::SynthesizeBlockLiterals(SourceLocation FunLocStart, 43524087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FunName) { 4353abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // Insert declaration for the function in which block literal is used. 4354bf07012cf92253380ce427924870288a34230d1bFariborz Jahanian if (CurFunctionDeclToDeclareForBlock && !Blocks.empty()) 4355abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 43568611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian bool RewriteSC = (GlobalVarDecl && 43578611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian !Blocks.empty() && 4358d931b086984257de68868a64a235c2b4b34003fbJohn McCall GlobalVarDecl->getStorageClass() == SC_Static && 43598611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian GlobalVarDecl->getType().getCVRQualifiers()); 43608611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (RewriteSC) { 43618611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian std::string SC(" void __"); 43628611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += GlobalVarDecl->getNameAsString(); 43638611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += "() {}"; 43648611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian InsertText(FunLocStart, SC); 43658611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian } 43668611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian 436754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Insert closures that were part of the function. 436872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian for (unsigned i = 0, count=0; i < Blocks.size(); i++) { 436972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian CollectBlockDeclRefInfo(Blocks[i]); 43705e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Need to copy-in the inner copied-in variables not actually used in this 43715e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // block. 437272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian for (int j = 0; j < InnerDeclRefsCount[i]; j++) { 437372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockDeclRefExpr *Exp = InnerDeclRefs[count++]; 437472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian ValueDecl *VD = Exp->getDecl(); 437572952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockDeclRefs.push_back(Exp); 437672952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 437772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 437872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByCopyDecls.push_back(VD); 437972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 438072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 438172952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 438272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian BlockByRefDecls.push_back(VD); 438372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 438492c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian // imported objects in the inner blocks not used in the outer 438592c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian // blocks must be copied/disposed in the outer block as well. 438692c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian if (Exp->isByRef() || 438792c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian VD->getType()->isObjCObjectPointerType() || 438892c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian VD->getType()->isBlockPointerType()) 438992c8568856bf24360f0a90a2161b9962263d4994Fariborz Jahanian ImportedBlockDecls.insert(VD); 439072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 439154055232a5ddb9529726e934301b125cb720a273Steve Naroff 43924087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar std::string ImplTag = "__" + FunName.str() + "_block_impl_" + utostr(i); 43934087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar std::string DescTag = "__" + FunName.str() + "_block_desc_" + utostr(i); 43941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 439501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string CI = SynthesizeBlockImpl(Blocks[i], ImplTag, DescTag); 439654055232a5ddb9529726e934301b125cb720a273Steve Naroff 4397d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, CI); 439854055232a5ddb9529726e934301b125cb720a273Steve Naroff 439901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string CF = SynthesizeBlockFunc(Blocks[i], i, FunName, ImplTag); 44001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4401d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, CF); 440254055232a5ddb9529726e934301b125cb720a273Steve Naroff 440354055232a5ddb9529726e934301b125cb720a273Steve Naroff if (ImportedBlockDecls.size()) { 440401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string HF = SynthesizeBlockHelperFuncs(Blocks[i], i, FunName, ImplTag); 4405d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, HF); 440654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 440701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string BD = SynthesizeBlockDescriptor(DescTag, ImplTag, i, FunName, 440801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff ImportedBlockDecls.size() > 0); 4409d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, BD); 44101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 441154055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDeclRefs.clear(); 441254055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockByRefDecls.clear(); 4413bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.clear(); 441454055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockByCopyDecls.clear(); 4415bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 441654055232a5ddb9529726e934301b125cb720a273Steve Naroff ImportedBlockDecls.clear(); 441754055232a5ddb9529726e934301b125cb720a273Steve Naroff } 44188611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (RewriteSC) { 441961b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian // Must insert any 'const/volatile/static here. Since it has been 442061b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian // removed as result of rewriting of block literals. 442161b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian std::string SC; 4422d931b086984257de68868a64a235c2b4b34003fbJohn McCall if (GlobalVarDecl->getStorageClass() == SC_Static) 442361b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC = "static "; 442461b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian if (GlobalVarDecl->getType().isConstQualified()) 442561b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC += "const "; 442661b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian if (GlobalVarDecl->getType().isVolatileQualified()) 442761b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian SC += "volatile "; 44288611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian if (GlobalVarDecl->getType().isRestrictQualified()) 44298611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian SC += "restrict "; 44308611eb02e8296bd31ffa31b6eafefd76dd1e299cFariborz Jahanian InsertText(FunLocStart, SC); 443161b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian } 443261b82e3ed67d9c02d8cc0a8c5976e5fb7fad12a8Fariborz Jahanian 443354055232a5ddb9529726e934301b125cb720a273Steve Naroff Blocks.clear(); 44345e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefsCount.clear(); 44355e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefs.clear(); 443654055232a5ddb9529726e934301b125cb720a273Steve Naroff RewrittenBlockExprs.clear(); 443754055232a5ddb9529726e934301b125cb720a273Steve Naroff} 443854055232a5ddb9529726e934301b125cb720a273Steve Naroff 443954055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::InsertBlockLiteralsWithinFunction(FunctionDecl *FD) { 444054055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation FunLocStart = FD->getTypeSpecStartLoc(); 44414087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FuncName = FD->getName(); 44421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 444354055232a5ddb9529726e934301b125cb720a273Steve Naroff SynthesizeBlockLiterals(FunLocStart, FuncName); 444454055232a5ddb9529726e934301b125cb720a273Steve Naroff} 444554055232a5ddb9529726e934301b125cb720a273Steve Naroff 4446e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanianstatic void BuildUniqueMethodName(std::string &Name, 4447e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian ObjCMethodDecl *MD) { 4448e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian ObjCInterfaceDecl *IFace = MD->getClassInterface(); 44494087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar Name = IFace->getName(); 4450e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian Name += "__" + MD->getSelector().getAsString(); 4451e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian // Convert colons to underscores. 4452e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian std::string::size_type loc = 0; 4453e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian while ((loc = Name.find(":", loc)) != std::string::npos) 4454e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian Name.replace(loc, 1, "_"); 4455e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian} 4456e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian 445754055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::InsertBlockLiteralsWithinMethod(ObjCMethodDecl *MD) { 4458ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff //fprintf(stderr,"In InsertBlockLiteralsWitinMethod\n"); 4459ced80a848de94ef44b6e7b4ce6f182249b3141a8Steve Naroff //SourceLocation FunLocStart = MD->getLocStart(); 44600e1c99a1a9068020daa7d85fcafb18490ea6a475Fariborz Jahanian SourceLocation FunLocStart = MD->getLocStart(); 4461e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian std::string FuncName; 4462e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian BuildUniqueMethodName(FuncName, MD); 44634087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar SynthesizeBlockLiterals(FunLocStart, FuncName); 446454055232a5ddb9529726e934301b125cb720a273Steve Naroff} 446554055232a5ddb9529726e934301b125cb720a273Steve Naroff 446654055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::GetBlockDeclRefExprs(Stmt *S) { 446754055232a5ddb9529726e934301b125cb720a273Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 446854055232a5ddb9529726e934301b125cb720a273Steve Naroff CI != E; ++CI) 446954055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*CI) { 447054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) 447154055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(CBE->getBody()); 447254055232a5ddb9529726e934301b125cb720a273Steve Naroff else 447354055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(*CI); 447454055232a5ddb9529726e934301b125cb720a273Steve Naroff } 447554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle specific things. 44766cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 447754055232a5ddb9529726e934301b125cb720a273Steve Naroff // FIXME: Handle enums. 447854055232a5ddb9529726e934301b125cb720a273Steve Naroff if (!isa<FunctionDecl>(CDRE->getDecl())) 447954055232a5ddb9529726e934301b125cb720a273Steve Naroff BlockDeclRefs.push_back(CDRE); 44806cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 44816cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) 44826cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(DRE->getDecl())) { 44836cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian BlockDeclRefExpr *BDRE = 44846cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian new (Context)BlockDeclRefExpr(DRE->getDecl(), DRE->getType(), 44856cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian DRE->getLocation(), false); 44866cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian BlockDeclRefs.push_back(BDRE); 44876cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 44886cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 448954055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 449054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 449154055232a5ddb9529726e934301b125cb720a273Steve Naroff 44925e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanianvoid RewriteObjC::GetInnerBlockDeclRefExprs(Stmt *S, 44935e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs, 449472952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> &InnerContexts) { 44955e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 44965e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian CI != E; ++CI) 44975e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian if (*CI) { 449872952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian if (BlockExpr *CBE = dyn_cast<BlockExpr>(*CI)) { 449972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts.insert(cast<DeclContext>(CBE->getBlockDecl())); 45005e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(CBE->getBody(), 45015e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs, 450272952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts); 450372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian } 45045e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian else 45055e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(*CI, 45065e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs, 450772952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts); 45085e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 45095e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian } 45105e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Handle specific things. 45116cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (BlockDeclRefExpr *CDRE = dyn_cast<BlockDeclRefExpr>(S)) { 45125e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian if (!isa<FunctionDecl>(CDRE->getDecl()) && 451372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian !InnerContexts.count(CDRE->getDecl()->getDeclContext())) 45145e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerBlockDeclRefs.push_back(CDRE); 45156cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 45166cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 45176cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) 45186cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (Var->isFunctionOrMethodVarDecl()) 45196cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.insert(Var); 45206cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 452172952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian 45225e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian return; 45235e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian} 45245e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 45251f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// convertFunctionTypeOfBlocks - This routine converts a function type 45261f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// whose result type may be a block pointer or whose argument type(s) 45271f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// might be block pointers to an equivalent funtion type replacing 45281f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian/// all block pointers to function pointers. 45291f90622e9d24064164df1608ea125d0ed451ac68Fariborz JahanianQualType RewriteObjC::convertFunctionTypeOfBlocks(const FunctionType *FT) { 45301f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 45311f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // FTP will be null for closures that don't take arguments. 45321f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Generate a funky cast. 45331f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian llvm::SmallVector<QualType, 8> ArgTypes; 45341f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType Res = FT->getResultType(); 45354fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian bool HasBlockType = convertBlockPointerToFunctionPointer(Res); 45361f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian 45371f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian if (FTP) { 45381f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 45391f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian E = FTP->arg_type_end(); I && (I != E); ++I) { 45401f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType t = *I; 45411f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // Make sure we convert "t (^)(...)" to "t (*)(...)". 45424fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian if (convertBlockPointerToFunctionPointer(t)) 45431f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian HasBlockType = true; 45441f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian ArgTypes.push_back(t); 45451f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian } 45461f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian } 45471f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType FuncType; 45481f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // FIXME. Does this work if block takes no argument but has a return type 45491f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian // which is of block type? 45501f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian if (HasBlockType) 45511f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian FuncType = Context->getFunctionType(Res, 45521f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian &ArgTypes[0], ArgTypes.size(), false/*no variadic*/, 0, 45531f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian false, false, 0, 0, FunctionType::ExtInfo()); 45541f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian else FuncType = QualType(FT, 0); 45551f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian return FuncType; 45561f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian} 45571f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian 45588a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz JahanianStmt *RewriteObjC::SynthesizeBlockCall(CallExpr *Exp, const Expr *BlockExp) { 455954055232a5ddb9529726e934301b125cb720a273Steve Naroff // Navigate to relevant type information. 456054055232a5ddb9529726e934301b125cb720a273Steve Naroff const BlockPointerType *CPT = 0; 45611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45628a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(BlockExp)) { 45636217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = DRE->getType()->getAs<BlockPointerType>(); 45648a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } else if (const BlockDeclRefExpr *CDRE = 45658a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian dyn_cast<BlockDeclRefExpr>(BlockExp)) { 45666217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = CDRE->getType()->getAs<BlockPointerType>(); 45678a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } else if (const MemberExpr *MExpr = dyn_cast<MemberExpr>(BlockExp)) { 45686217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek CPT = MExpr->getType()->getAs<BlockPointerType>(); 45698a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } 45708a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ParenExpr *PRE = dyn_cast<ParenExpr>(BlockExp)) { 45718a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian return SynthesizeBlockCall(Exp, PRE->getSubExpr()); 45728a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian } 45738a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ImplicitCastExpr *IEXPR = dyn_cast<ImplicitCastExpr>(BlockExp)) 45748a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian CPT = IEXPR->getType()->getAs<BlockPointerType>(); 45758a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian else if (const ConditionalOperator *CEXPR = 45768a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian dyn_cast<ConditionalOperator>(BlockExp)) { 45778a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *LHSExp = CEXPR->getLHS(); 45788a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *LHSStmt = SynthesizeBlockCall(Exp, LHSExp); 45798a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *RHSExp = CEXPR->getRHS(); 45808a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *RHSStmt = SynthesizeBlockCall(Exp, RHSExp); 45818a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Expr *CONDExp = CEXPR->getCond(); 45828a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian ConditionalOperator *CondExpr = 45838a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian new (Context) ConditionalOperator(CONDExp, 45848a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian SourceLocation(), cast<Expr>(LHSStmt), 4585f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian SourceLocation(), cast<Expr>(RHSStmt), 4586f9b949fecf339a2c9bd97dd11a272c4878f85ce4Fariborz Jahanian (Expr*)0, 45878a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Exp->getType()); 45888a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian return CondExpr; 4589e24b22bb58e38253da0bda26da51da7663ca743bFariborz Jahanian } else if (const ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(BlockExp)) { 4590e24b22bb58e38253da0bda26da51da7663ca743bFariborz Jahanian CPT = IRE->getType()->getAs<BlockPointerType>(); 459154055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 459254055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(1 && "RewriteBlockClass: Bad type"); 459354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 459454055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(CPT && "RewriteBlockClass: Bad type"); 4595183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = CPT->getPointeeType()->getAs<FunctionType>(); 459654055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(FT && "RewriteBlockClass: Bad type"); 459772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FTP = dyn_cast<FunctionProtoType>(FT); 459854055232a5ddb9529726e934301b125cb720a273Steve Naroff // FTP will be null for closures that don't take arguments. 45991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4600465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 4601aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff SourceLocation(), 4602aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff &Context->Idents.get("__block_impl")); 4603aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff QualType PtrBlock = Context->getPointerType(Context->getTagDeclType(RD)); 460454055232a5ddb9529726e934301b125cb720a273Steve Naroff 4605aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Generate a funky cast. 4606aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff llvm::SmallVector<QualType, 8> ArgTypes; 46071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4608aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Push the block argument type. 4609aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ArgTypes.push_back(PtrBlock); 461054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FTP) { 46111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 4612aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff E = FTP->arg_type_end(); I && (I != E); ++I) { 4613aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff QualType t = *I; 4614aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Make sure we convert "t (^)(...)" to "t (*)(...)". 46154fc8453dd02d015b1161d83a5740632617aedd12Fariborz Jahanian (void)convertBlockPointerToFunctionPointer(t); 4616aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ArgTypes.push_back(t); 4617aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 4618aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 4619aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Now do the pointer to function cast. 46201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PtrToFuncCastType = Context->getFunctionType(Exp->getType(), 4621ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor &ArgTypes[0], ArgTypes.size(), false/*no variadic*/, 0, 4622ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor false, false, 0, 0, 4623264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 46241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4625aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff PtrToFuncCastType = Context->getPointerType(PtrToFuncCastType); 46261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46279d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *BlkCast = NoTypeInfoCStyleCastExpr(Context, PtrBlock, 46282de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, 46299d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall const_cast<Expr*>(BlockExp)); 4630aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Don't forget the parens to enforce the proper binding. 46318189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 46328189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek BlkCast); 4633aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff //PE->dump(); 46341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 46361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump &Context->Idents.get("FuncPtr"), Context->VoidPtrTy, 0, 46374afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*BitWidth=*/0, /*Mutable=*/true); 46388189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek MemberExpr *ME = new (Context) MemberExpr(PE, true, FD, SourceLocation(), 46398189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek FD->getType()); 46401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46419d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *FunkCast = NoTypeInfoCStyleCastExpr(Context, PtrToFuncCastType, 46422de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, ME); 46438189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), FunkCast); 46441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4645aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff llvm::SmallVector<Expr*, 8> BlkExprs; 4646aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Add the implicit argument. 4647aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff BlkExprs.push_back(BlkCast); 4648aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff // Add the user arguments. 46491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (CallExpr::arg_iterator I = Exp->arg_begin(), 465054055232a5ddb9529726e934301b125cb720a273Steve Naroff E = Exp->arg_end(); I != E; ++I) { 4651aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff BlkExprs.push_back(*I); 465254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 4653668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek CallExpr *CE = new (Context) CallExpr(*Context, PE, &BlkExprs[0], 4654668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek BlkExprs.size(), 46558189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Exp->getType(), SourceLocation()); 4656aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff return CE; 465754055232a5ddb9529726e934301b125cb720a273Steve Naroff} 465854055232a5ddb9529726e934301b125cb720a273Steve Naroff 4659621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// We need to return the rewritten expression to handle cases where the 4660621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// BlockDeclRefExpr is embedded in another expression being rewritten. 4661621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// For example: 4662621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// 4663621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// int main() { 4664621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// __block Foo *f; 4665621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// __block int i; 46661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// 4667621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// void (^myblock)() = ^() { 4668621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// [f test]; // f is a BlockDeclRefExpr embedded in a message (which is being rewritten). 4669621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// i = 77; 4670621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff// }; 4671621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff//} 4672f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz JahanianStmt *RewriteObjC::RewriteBlockDeclRefExpr(Expr *DeclRefExp) { 4673bbf37e232b10793b9ec91f4ea01ec168123d5026Fariborz Jahanian // Rewrite the byref variable into BYREFVAR->__forwarding->BYREFVAR 4674f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian // for each DeclRefExp where BYREFVAR is name of the variable. 4675f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ValueDecl *VD; 4676f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian bool isArrow = true; 4677f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(DeclRefExp)) 4678f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian VD = BDRE->getDecl(); 4679f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian else { 4680f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian VD = cast<DeclRefExpr>(DeclRefExp)->getDecl(); 4681f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian isArrow = false; 4682f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 4683f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 4684ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian FieldDecl *FD = FieldDecl::Create(*Context, 0, SourceLocation(), 4685ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian &Context->Idents.get("__forwarding"), 4686ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian Context->VoidPtrTy, 0, 4687ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true); 4688f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian MemberExpr *ME = new (Context) MemberExpr(DeclRefExp, isArrow, 4689f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian FD, SourceLocation(), 4690ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian FD->getType()); 4691f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 46924087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef Name = VD->getName(); 4693ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian FD = FieldDecl::Create(*Context, 0, SourceLocation(), 4694ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian &Context->Idents.get(Name), 4695ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian Context->VoidPtrTy, 0, 4696ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian /*BitWidth=*/0, /*Mutable=*/true); 4697ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ME = new (Context) MemberExpr(ME, true, FD, SourceLocation(), 4698f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian DeclRefExp->getType()); 4699ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4700ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4701ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian 4702df8570d1ff98155b74df2a0544068f40b4fd5195Steve Naroff // Need parens to enforce precedence. 4703ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 4704ec878f2726e00e6dc0c432f462dab099e3f4a717Fariborz Jahanian ME); 4705f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ReplaceStmt(DeclRefExp, PE); 4706621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return PE; 470754055232a5ddb9529726e934301b125cb720a273Steve Naroff} 470854055232a5ddb9529726e934301b125cb720a273Steve Naroff 47096cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// Rewrites the imported local variable V with external storage 47106cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// (static, extern, etc.) as *V 47116cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian// 47126cb6eb4c792b504ad652d9230640656852e18ee9Fariborz JahanianStmt *RewriteObjC::RewriteLocalVariableExternalStorage(DeclRefExpr *DRE) { 47136cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ValueDecl *VD = DRE->getDecl(); 47146cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (VarDecl *Var = dyn_cast<VarDecl>(VD)) 47156cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (!ImportedLocalExternalDecls.count(Var)) 47166cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return DRE; 47172de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Expr *Exp = new (Context) UnaryOperator(DRE, UO_Deref, 47186cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian DRE->getType(), DRE->getLocation()); 47196cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian // Need parens to enforce precedence. 47206cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ParenExpr *PE = new (Context) ParenExpr(SourceLocation(), SourceLocation(), 47216cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian Exp); 47226cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ReplaceStmt(DRE, PE); 47236cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return PE; 47246cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian} 47256cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 4726b2f9e516327310d95840d442416084508f80c183Steve Naroffvoid RewriteObjC::RewriteCastExpr(CStyleCastExpr *CE) { 4727b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LocStart = CE->getLParenLoc(); 4728b2f9e516327310d95840d442416084508f80c183Steve Naroff SourceLocation LocEnd = CE->getRParenLoc(); 4729fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 4730fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Need to avoid trying to rewrite synthesized casts. 4731fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (LocStart.isInvalid()) 4732fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 47338f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff // Need to avoid trying to rewrite casts contained in macros. 47348f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff if (!Rewriter::isRewritable(LocStart) || !Rewriter::isRewritable(LocEnd)) 47358f6ce5796fb74daf0c4cd39fbda9f7ceb1c7a7b6Steve Naroff return; 47361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 473754055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(LocStart); 473854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *endBuf = SM->getCharacterData(LocEnd); 47391d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian QualType QT = CE->getType(); 47401d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian const Type* TypePtr = QT->getAs<Type>(); 47411d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian if (isa<TypeOfExprType>(TypePtr)) { 47421d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian const TypeOfExprType *TypeOfExprTypePtr = cast<TypeOfExprType>(TypePtr); 47431d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian QT = TypeOfExprTypePtr->getUnderlyingExpr()->getType(); 47441d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian std::string TypeAsString = "("; 4745afad76f6134e635c3cb240ec725d3b7989e7a625Fariborz Jahanian RewriteBlockPointerType(TypeAsString, QT); 47461d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian TypeAsString += ")"; 4747d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, endBuf-startBuf+1, TypeAsString); 47481d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian return; 47491d4fca2e42da8506cc1042a1ea93815a8e9ae0f0Fariborz Jahanian } 475054055232a5ddb9529726e934301b125cb720a273Steve Naroff // advance the location to startArgList. 475154055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = startBuf; 47521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 475354055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr++ && (argPtr < endBuf)) { 475454055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4755b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '^': 4756b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump // Replace the '^' with '*'. 4757b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump LocStart = LocStart.getFileLocWithOffset(argPtr-startBuf); 4758d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(LocStart, 1, "*"); 4759b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 476054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 476154055232a5ddb9529726e934301b125cb720a273Steve Naroff } 476254055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 476354055232a5ddb9529726e934301b125cb720a273Steve Naroff} 476454055232a5ddb9529726e934301b125cb720a273Steve Naroff 476554055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::RewriteBlockPointerFunctionArgs(FunctionDecl *FD) { 476654055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation DeclLoc = FD->getLocation(); 476754055232a5ddb9529726e934301b125cb720a273Steve Naroff unsigned parenCount = 0; 47681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 476954055232a5ddb9529726e934301b125cb720a273Steve Naroff // We have 1 or more arguments that have closure pointers. 477054055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(DeclLoc); 477154055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startArgList = strchr(startBuf, '('); 47721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477354055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*startArgList == '(') && "Rewriter fuzzy parser confused"); 47741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 477554055232a5ddb9529726e934301b125cb720a273Steve Naroff parenCount++; 477654055232a5ddb9529726e934301b125cb720a273Steve Naroff // advance the location to startArgList. 477754055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = DeclLoc.getFileLocWithOffset(startArgList-startBuf); 477854055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((DeclLoc.isValid()) && "Invalid DeclLoc"); 47791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 478054055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = startArgList; 47811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 478254055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr++ && parenCount) { 478354055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4784b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '^': 4785b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump // Replace the '^' with '*'. 4786b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump DeclLoc = DeclLoc.getFileLocWithOffset(argPtr-startArgList); 4787d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, 1, "*"); 4788b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4789b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '(': 4790b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump parenCount++; 4791b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 4792b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case ')': 4793b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump parenCount--; 4794b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump break; 479554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 479654055232a5ddb9529726e934301b125cb720a273Steve Naroff } 479754055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 479854055232a5ddb9529726e934301b125cb720a273Steve Naroff} 479954055232a5ddb9529726e934301b125cb720a273Steve Naroff 480054055232a5ddb9529726e934301b125cb720a273Steve Naroffbool RewriteObjC::PointerTypeTakesAnyBlockArguments(QualType QT) { 480172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *FTP; 48026217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const PointerType *PT = QT->getAs<PointerType>(); 480354055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PT) { 4804183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FTP = PT->getPointeeType()->getAs<FunctionProtoType>(); 480554055232a5ddb9529726e934301b125cb720a273Steve Naroff } else { 48066217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const BlockPointerType *BPT = QT->getAs<BlockPointerType>(); 480754055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(BPT && "BlockPointerTypeTakeAnyBlockArguments(): not a block pointer type"); 4808183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall FTP = BPT->getPointeeType()->getAs<FunctionProtoType>(); 480954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 481054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FTP) { 48111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (FunctionProtoType::arg_type_iterator I = FTP->arg_type_begin(), 481254055232a5ddb9529726e934301b125cb720a273Steve Naroff E = FTP->arg_type_end(); I != E; ++I) 481301f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(*I)) 481454055232a5ddb9529726e934301b125cb720a273Steve Naroff return true; 481554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 481654055232a5ddb9529726e934301b125cb720a273Steve Naroff return false; 481754055232a5ddb9529726e934301b125cb720a273Steve Naroff} 481854055232a5ddb9529726e934301b125cb720a273Steve Naroff 48198189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenekvoid RewriteObjC::GetExtentOfArgList(const char *Name, const char *&LParen, 48208189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek const char *&RParen) { 482154055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argPtr = strchr(Name, '('); 482254055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*argPtr == '(') && "Rewriter fuzzy parser confused"); 48231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482454055232a5ddb9529726e934301b125cb720a273Steve Naroff LParen = argPtr; // output the start. 482554055232a5ddb9529726e934301b125cb720a273Steve Naroff argPtr++; // skip past the left paren. 482654055232a5ddb9529726e934301b125cb720a273Steve Naroff unsigned parenCount = 1; 48271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 482854055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*argPtr && parenCount) { 482954055232a5ddb9529726e934301b125cb720a273Steve Naroff switch (*argPtr) { 4830b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case '(': parenCount++; break; 4831b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump case ')': parenCount--; break; 4832b7166334d897e1e4e6a5b428fe2d0ec752ef187fMike Stump default: break; 483354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 483454055232a5ddb9529726e934301b125cb720a273Steve Naroff if (parenCount) argPtr++; 483554055232a5ddb9529726e934301b125cb720a273Steve Naroff } 483654055232a5ddb9529726e934301b125cb720a273Steve Naroff assert((*argPtr == ')') && "Rewriter fuzzy parser confused"); 483754055232a5ddb9529726e934301b125cb720a273Steve Naroff RParen = argPtr; // output the end 483854055232a5ddb9529726e934301b125cb720a273Steve Naroff} 483954055232a5ddb9529726e934301b125cb720a273Steve Naroff 484054055232a5ddb9529726e934301b125cb720a273Steve Naroffvoid RewriteObjC::RewriteBlockPointerDecl(NamedDecl *ND) { 484154055232a5ddb9529726e934301b125cb720a273Steve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(ND)) { 484254055232a5ddb9529726e934301b125cb720a273Steve Naroff RewriteBlockPointerFunctionArgs(FD); 484354055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 48441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 484554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Handle Variables and Typedefs. 484654055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation DeclLoc = ND->getLocation(); 484754055232a5ddb9529726e934301b125cb720a273Steve Naroff QualType DeclT; 484854055232a5ddb9529726e934301b125cb720a273Steve Naroff if (VarDecl *VD = dyn_cast<VarDecl>(ND)) 484954055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = VD->getType(); 485054055232a5ddb9529726e934301b125cb720a273Steve Naroff else if (TypedefDecl *TDD = dyn_cast<TypedefDecl>(ND)) 485154055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = TDD->getUnderlyingType(); 485254055232a5ddb9529726e934301b125cb720a273Steve Naroff else if (FieldDecl *FD = dyn_cast<FieldDecl>(ND)) 485354055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclT = FD->getType(); 48541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 485554055232a5ddb9529726e934301b125cb720a273Steve Naroff assert(0 && "RewriteBlockPointerDecl(): Decl type not yet handled"); 48561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 485754055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *startBuf = SM->getCharacterData(DeclLoc); 485854055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *endBuf = startBuf; 485954055232a5ddb9529726e934301b125cb720a273Steve Naroff // scan backward (from the decl location) for the end of the previous decl. 486054055232a5ddb9529726e934301b125cb720a273Steve Naroff while (*startBuf != '^' && *startBuf != ';' && startBuf != MainFileStart) 486154055232a5ddb9529726e934301b125cb720a273Steve Naroff startBuf--; 48621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 486354055232a5ddb9529726e934301b125cb720a273Steve Naroff // *startBuf != '^' if we are dealing with a pointer to function that 486454055232a5ddb9529726e934301b125cb720a273Steve Naroff // may take block argument types (which will be handled below). 486554055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*startBuf == '^') { 486654055232a5ddb9529726e934301b125cb720a273Steve Naroff // Replace the '^' with '*', computing a negative offset. 486754055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = DeclLoc.getFileLocWithOffset(startBuf-endBuf); 4868d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, 1, "*"); 486954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 487054055232a5ddb9529726e934301b125cb720a273Steve Naroff if (PointerTypeTakesAnyBlockArguments(DeclT)) { 487154055232a5ddb9529726e934301b125cb720a273Steve Naroff // Replace the '^' with '*' for arguments. 487254055232a5ddb9529726e934301b125cb720a273Steve Naroff DeclLoc = ND->getLocation(); 487354055232a5ddb9529726e934301b125cb720a273Steve Naroff startBuf = SM->getCharacterData(DeclLoc); 487454055232a5ddb9529726e934301b125cb720a273Steve Naroff const char *argListBegin, *argListEnd; 487554055232a5ddb9529726e934301b125cb720a273Steve Naroff GetExtentOfArgList(startBuf, argListBegin, argListEnd); 487654055232a5ddb9529726e934301b125cb720a273Steve Naroff while (argListBegin < argListEnd) { 487754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (*argListBegin == '^') { 487854055232a5ddb9529726e934301b125cb720a273Steve Naroff SourceLocation CaretLoc = DeclLoc.getFileLocWithOffset(argListBegin-startBuf); 4879d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(CaretLoc, 1, "*"); 488054055232a5ddb9529726e934301b125cb720a273Steve Naroff } 488154055232a5ddb9529726e934301b125cb720a273Steve Naroff argListBegin++; 488254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 488354055232a5ddb9529726e934301b125cb720a273Steve Naroff } 488454055232a5ddb9529726e934301b125cb720a273Steve Naroff return; 488554055232a5ddb9529726e934301b125cb720a273Steve Naroff} 488654055232a5ddb9529726e934301b125cb720a273Steve Naroff 4887d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 4888d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// SynthesizeByrefCopyDestroyHelper - This routine synthesizes: 4889d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void __Block_byref_id_object_copy(struct Block_byref_id_object *dst, 4890d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// struct Block_byref_id_object *src) { 4891d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_assign (&_dest->object, _src->object, 4892d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 4893d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 4894d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_assign(&_dest->object, _src->object, 4895d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 4896d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 4897d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// } 4898d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// And: 4899d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void __Block_byref_id_object_dispose(struct Block_byref_id_object *_src) { 4900d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_dispose(_src->object, 4901d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_OBJECT 4902d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // object 4903d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// _Block_object_dispose(_src->object, 4904d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// BLOCK_BYREF_CALLER | BLOCK_FIELD_IS_BLOCK 4905d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// [|BLOCK_FIELD_IS_WEAK]) // block 4906d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// } 4907d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 4908ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanianstd::string RewriteObjC::SynthesizeByrefCopyDestroyHelper(VarDecl *VD, 4909ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian int flag) { 4910d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian std::string S; 49111211a71912f263f6991eebfc27a8421a8800b9ecBenjamin Kramer if (CopyDestroyCache.count(flag)) 4912d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian return S; 4913ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian CopyDestroyCache.insert(flag); 4914ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S = "static void __Block_byref_id_object_copy_"; 4915ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += utostr(flag); 4916ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "(void *dst, void *src) {\n"; 4917ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian 4918d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // offset into the object pointer is computed as: 4919d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // void * + void* + int + int + void* + void * 4920d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned IntSize = 4921d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 4922d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned VoidPtrSize = 4923d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian static_cast<unsigned>(Context->getTypeSize(Context->VoidPtrTy)); 4924d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 4925d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian unsigned offset = (VoidPtrSize*4 + IntSize + IntSize)/8; 4926d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += " _Block_object_assign((char*)dst + "; 4927d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 4928d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ", *(void * *) ((char*)src + "; 4929d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 4930d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += "), "; 4931d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(flag); 4932d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ");\n}\n"; 4933d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 4934ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "static void __Block_byref_id_object_dispose_"; 4935ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += utostr(flag); 4936ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian S += "(void *src) {\n"; 4937d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += " _Block_object_dispose(*(void * *) ((char*)src + "; 4938d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(offset); 4939d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += "), "; 4940d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += utostr(flag); 4941d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian S += ");\n}\n"; 4942d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian return S; 4943d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian} 4944d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian 494552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// RewriteByRefVar - For each __block typex ND variable this routine transforms 494652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// the declaration into: 494752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND { 494852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// void *__isa; // NULL for everything except __weak pointers 494952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND *__forwarding; 495052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// int32_t __flags; 495152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// int32_t __size; 4952d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void *__Block_byref_id_object_copy; // If variable is __block ObjC object 4953d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian/// void *__Block_byref_id_object_dispose; // If variable is __block ObjC object 495452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// typex ND; 495552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// }; 495652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 495752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// It then replaces declaration of ND variable with: 495852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// struct __Block_byref_ND ND = {__isa=0B, __forwarding=&ND, __flags=some_flag, 495952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// __size=sizeof(struct __Block_byref_ND), 496052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// ND=initializer-if-any}; 496152b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 496252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian/// 496352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanianvoid RewriteObjC::RewriteByRefVar(VarDecl *ND) { 4964abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // Insert declaration for the function in which block literal is 4965abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian // used. 4966abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian if (CurFunctionDeclToDeclareForBlock) 4967abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian RewriteBlockLiteralFunctionDecl(CurFunctionDeclToDeclareForBlock); 49682086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian int flag = 0; 49692086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian int isa = 0; 497052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian SourceLocation DeclLoc = ND->getTypeSpecStartLoc(); 4971d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian if (DeclLoc.isInvalid()) 4972d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian // If type location is missing, it is because of missing type (a warning). 4973d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian // Use variable's location which is good for this case. 4974d64a4f4798907495091daf2b081c3d62d729dca9Fariborz Jahanian DeclLoc = ND->getLocation(); 497552b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian const char *startBuf = SM->getCharacterData(DeclLoc); 49766f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian SourceLocation X = ND->getLocEnd(); 49776f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian X = SM->getInstantiationLoc(X); 49786f0a0a9d2068c2ee9f399c72bf550c307bb76f9aFariborz Jahanian const char *endBuf = SM->getCharacterData(X); 497952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian std::string Name(ND->getNameAsString()); 4980a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian std::string ByrefType; 4981a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 498252b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " {\n"; 498352b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " void *__isa;\n"; 4984a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 4985a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += " *__forwarding;\n"; 498652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " int __flags;\n"; 498752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " int __size;\n"; 4988d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // Add void *__Block_byref_id_object_copy; 4989d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian // void *__Block_byref_id_object_dispose; if needed. 4990f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian QualType Ty = ND->getType(); 4991f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian bool HasCopyAndDispose = Context->BlockRequiresCopying(Ty); 4992f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (HasCopyAndDispose) { 4993d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_copy)(void*, void*);\n"; 4994d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian ByrefType += " void (*__Block_byref_id_object_dispose)(void*);\n"; 4995f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 4996f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 4997f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian Ty.getAsStringInternal(Name, Context->PrintingPolicy); 499852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " " + Name + ";\n"; 499952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += "};\n"; 500052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // Insert this type in global scope. It is needed by helper function. 5001dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian SourceLocation FunLocStart; 5002dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian if (CurFunctionDef) 5003dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian FunLocStart = CurFunctionDef->getTypeSpecStartLoc(); 5004dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian else { 5005dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian assert(CurMethodDef && "RewriteByRefVar - CurMethodDef is null"); 5006dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian FunLocStart = CurMethodDef->getLocStart(); 5007dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian } 5008d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, ByrefType); 50092086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian if (Ty.isObjCGCWeak()) { 50102086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian flag |= BLOCK_FIELD_IS_WEAK; 50112086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian isa = 1; 50122086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian } 50132086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian 5014d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5015ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag = BLOCK_BYREF_CALLER; 5016ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian QualType Ty = ND->getType(); 5017ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian // FIXME. Handle __weak variable (BLOCK_FIELD_IS_WEAK) as well. 5018ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian if (Ty->isBlockPointerType()) 5019ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag |= BLOCK_FIELD_IS_BLOCK; 5020ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian else 5021ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian flag |= BLOCK_FIELD_IS_OBJECT; 5022ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian std::string HF = SynthesizeByrefCopyDestroyHelper(ND, flag); 5023d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (!HF.empty()) 5024d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(FunLocStart, HF); 5025d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 502652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian 502752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // struct __Block_byref_ND ND = 502852b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // {0, &ND, some_flag, __size=sizeof(struct __Block_byref_ND), 502952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian // initializer-if-any}; 503052b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian bool hasInit = (ND->getInit() != 0); 5031e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian unsigned flags = 0; 5032e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian if (HasCopyAndDispose) 5033e1f84f8e4cd02347ab0e74eb8f328b3bcacb369cFariborz Jahanian flags |= BLOCK_HAS_COPY_DISPOSE; 503452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian Name = ND->getNameAsString(); 5035a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType.clear(); 5036a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 50372663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string ForwardingCastType("("); 50382663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ForwardingCastType += ByrefType + " *)"; 503952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian if (!hasInit) { 50402086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += " " + Name + " = {(void*)"; 50412086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += utostr(isa); 50422663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 5043ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flags); 5044f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ByrefType += ", "; 5045a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "sizeof("; 5046a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5047a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += ")"; 5048d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5049ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_copy_"; 5050ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5051ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 5052ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5053d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 505452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += "};\n"; 5055d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf+Name.size(), ByrefType); 505652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian } 505752b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian else { 5058dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian SourceLocation startLoc; 5059dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian Expr *E = ND->getInit(); 5060dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian if (const CStyleCastExpr *ECE = dyn_cast<CStyleCastExpr>(E)) 5061dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian startLoc = ECE->getLParenLoc(); 5062dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian else 5063dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian startLoc = E->getLocStart(); 5064791b10d03570ca8c5d3e344cc09900d1a8313999Fariborz Jahanian startLoc = SM->getInstantiationLoc(startLoc); 5065dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian endBuf = SM->getCharacterData(startLoc); 506652b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian ByrefType += " " + Name; 5067dfa4fa0fc5b78a91c74db84fce305771c2038229Fariborz Jahanian ByrefType += " = {(void*)"; 50682086d544d38f2611f2fba034e25833a47c81fb21Fariborz Jahanian ByrefType += utostr(isa); 50692663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ByrefType += "," + ForwardingCastType + "&" + Name + ", "; 5070ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flags); 5071f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ByrefType += ", "; 5072a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "sizeof("; 5073a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian RewriteByRefString(ByrefType, Name, ND); 5074a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian ByrefType += "), "; 5075d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian if (HasCopyAndDispose) { 5076ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += "__Block_byref_id_object_copy_"; 5077ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5078ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", __Block_byref_id_object_dispose_"; 5079ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += utostr(flag); 5080ab10b2ebad09c283ccab0ef043118b3cf0166b56Fariborz Jahanian ByrefType += ", "; 5081d2eb1fdb1cfd37a6b93b46161826a23740d185e7Fariborz Jahanian } 5082d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer ReplaceText(DeclLoc, endBuf-startBuf, ByrefType); 5083c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff 5084c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // Complete the newly synthesized compound expression by inserting a right 5085c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // curly brace before the end of the declaration. 5086c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // FIXME: This approach avoids rewriting the initializer expression. It 5087c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // also assumes there is only one declarator. For example, the following 5088c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // isn't currently supported by this routine (in general): 5089c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // 5090c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // double __block BYREFVAR = 1.34, BYREFVAR2 = 1.37; 5091c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff // 50925f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian const char *startInitializerBuf = SM->getCharacterData(startLoc); 50935f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian const char *semiBuf = strchr(startInitializerBuf, ';'); 5094c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff assert((*semiBuf == ';') && "RewriteByRefVar: can't find ';'"); 5095c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff SourceLocation semiLoc = 50965f371ee49c11ced954ee2c805ff1adfdcef94774Fariborz Jahanian startLoc.getFileLocWithOffset(semiBuf-startInitializerBuf); 5097c5143c538783a2834cfdc3d29db0ff76e857818fSteve Naroff 5098d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(semiLoc, "}"); 509952b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian } 51001be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian return; 51011be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian} 51021be6b460d5aa4dda4274a15eeba824dfd4ad10d0Fariborz Jahanian 51031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid RewriteObjC::CollectBlockDeclRefInfo(BlockExpr *Exp) { 510454055232a5ddb9529726e934301b125cb720a273Steve Naroff // Add initializers for any closure decl refs. 510554055232a5ddb9529726e934301b125cb720a273Steve Naroff GetBlockDeclRefExprs(Exp->getBody()); 510654055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs.size()) { 510754055232a5ddb9529726e934301b125cb720a273Steve Naroff // Unique all "by copy" declarations. 510854055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 5109bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockDeclRefs[i]->isByRef()) { 5110bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockByCopyDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 5111bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 5112bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDecls.push_back(BlockDeclRefs[i]->getDecl()); 5113bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 5114bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 511554055232a5ddb9529726e934301b125cb720a273Steve Naroff // Unique all "by ref" declarations. 511654055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 511754055232a5ddb9529726e934301b125cb720a273Steve Naroff if (BlockDeclRefs[i]->isByRef()) { 5118bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian if (!BlockByRefDeclsPtrSet.count(BlockDeclRefs[i]->getDecl())) { 5119bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.insert(BlockDeclRefs[i]->getDecl()); 5120bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDecls.push_back(BlockDeclRefs[i]->getDecl()); 5121bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian } 512254055232a5ddb9529726e934301b125cb720a273Steve Naroff } 512354055232a5ddb9529726e934301b125cb720a273Steve Naroff // Find any imported blocks...they will need special attention. 512454055232a5ddb9529726e934301b125cb720a273Steve Naroff for (unsigned i = 0; i < BlockDeclRefs.size(); i++) 51254fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian if (BlockDeclRefs[i]->isByRef() || 51264fcc4fd1adf272450bdecab7f9133ae2f0b8aa19Fariborz Jahanian BlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 51275b011b050e764fe1c2a38bd81b386fc6e66eeb93Fariborz Jahanian BlockDeclRefs[i]->getType()->isBlockPointerType()) 512854055232a5ddb9529726e934301b125cb720a273Steve Naroff ImportedBlockDecls.insert(BlockDeclRefs[i]->getDecl()); 512954055232a5ddb9529726e934301b125cb720a273Steve Naroff } 513054055232a5ddb9529726e934301b125cb720a273Steve Naroff} 513154055232a5ddb9529726e934301b125cb720a273Steve Naroff 51324087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarFunctionDecl *RewriteObjC::SynthBlockInitFunctionDecl(llvm::StringRef name) { 5133fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff IdentifierInfo *ID = &Context->Idents.get(name); 513472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor QualType FType = Context->getFunctionNoProtoType(Context->VoidPtrTy); 51351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return FunctionDecl::Create(*Context, TUDecl,SourceLocation(), 5136d931b086984257de68868a64a235c2b4b34003fbJohn McCall ID, FType, 0, SC_Extern, 5137d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_None, false, false); 5138fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5139fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 51405e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz JahanianStmt *RewriteObjC::SynthBlockInitExpr(BlockExpr *Exp, 51415e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian const llvm::SmallVector<BlockDeclRefExpr *, 8> &InnerBlockDeclRefs) { 5142fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Blocks.push_back(Exp); 5143fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5144fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CollectBlockDeclRefInfo(Exp); 51455e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 51465e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // Add inner imported variables now used in current block. 51475e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian int countOfInnerDecls = 0; 51481276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (!InnerBlockDeclRefs.empty()) { 51491276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) { 51501276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefExpr *Exp = InnerBlockDeclRefs[i]; 51511276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian ValueDecl *VD = Exp->getDecl(); 51521276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (!Exp->isByRef() && !BlockByCopyDeclsPtrSet.count(VD)) { 51535e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // We need to save the copied-in variables in nested 51545e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // blocks because it is needed at the end for some of the API generations. 51555e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian // See SynthesizeBlockLiterals routine. 51561276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 51571276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefs.push_back(Exp); 51581276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByCopyDeclsPtrSet.insert(VD); 51591276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByCopyDecls.push_back(VD); 51601276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian } 51611276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (Exp->isByRef() && !BlockByRefDeclsPtrSet.count(VD)) { 51621276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerDeclRefs.push_back(Exp); countOfInnerDecls++; 51631276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockDeclRefs.push_back(Exp); 51641276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByRefDeclsPtrSet.insert(VD); 51651276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian BlockByRefDecls.push_back(VD); 51661276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian } 5167f89c4270c94ddd966819fe6b8306aa572d1e5d83Fariborz Jahanian } 51681276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian // Find any imported blocks...they will need special attention. 51691276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian for (unsigned i = 0; i < InnerBlockDeclRefs.size(); i++) 51701276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian if (InnerBlockDeclRefs[i]->isByRef() || 51711276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerBlockDeclRefs[i]->getType()->isObjCObjectPointerType() || 51721276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian InnerBlockDeclRefs[i]->getType()->isBlockPointerType()) 51731276bfe0cec18a8b07226797f410b7506005269dFariborz Jahanian ImportedBlockDecls.insert(InnerBlockDeclRefs[i]->getDecl()); 51745e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian } 51755e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian InnerDeclRefsCount.push_back(countOfInnerDecls); 51765e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 5177fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string FuncName; 51781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5179fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CurFunctionDef) 5180077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner FuncName = CurFunctionDef->getNameAsString(); 5181e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian else if (CurMethodDef) 5182e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian BuildUniqueMethodName(FuncName, CurMethodDef); 5183e61a1d4c57bbce3dfaa191a4b4de48ad79ac0b83Fariborz Jahanian else if (GlobalVarDecl) 5184d9d22dd9c94618490dbffb0e2caf222530ca39d3Chris Lattner FuncName = std::string(GlobalVarDecl->getNameAsString()); 51851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5186fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string BlockNumber = utostr(Blocks.size()-1); 51871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5188fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string Tag = "__" + FuncName + "_block_impl_" + BlockNumber; 5189fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string Func = "__" + FuncName + "_block_func_" + BlockNumber; 51901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5191fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get a pointer to the function type so we can cast appropriately. 51921f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType BFT = convertFunctionTypeOfBlocks(Exp->getFunctionType()); 51931f90622e9d24064164df1608ea125d0ed451ac68Fariborz Jahanian QualType FType = Context->getPointerType(BFT); 5194fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5195fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff FunctionDecl *FD; 5196fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Expr *NewRep; 51971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5198fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Simulate a contructor call... 51994087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl(Tag); 52008189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek DeclRefExpr *DRE = new (Context) DeclRefExpr(FD, FType, SourceLocation()); 52011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5202fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff llvm::SmallVector<Expr*, 4> InitExprs; 52031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5204fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff // Initialize the block function. 52054087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl(Func); 52068189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek DeclRefExpr *Arg = new (Context) DeclRefExpr(FD, FD->getType(), 52078189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek SourceLocation()); 52089d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall CastExpr *castExpr = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 52092de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Arg); 52101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(castExpr); 52111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 521201aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff // Initialize the block descriptor. 521301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff std::string DescData = "__" + FuncName + "_block_desc_" + BlockNumber + "_DATA"; 521401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 521501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff VarDecl *NewVD = VarDecl::Create(*Context, TUDecl, SourceLocation(), 521601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff &Context->Idents.get(DescData.c_str()), 521701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Context->VoidPtrTy, 0, 5218d931b086984257de68868a64a235c2b4b34003fbJohn McCall SC_Static, SC_None); 521901aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff UnaryOperator *DescRefExpr = new (Context) UnaryOperator( 522001aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff new (Context) DeclRefExpr(NewVD, 522101aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Context->VoidPtrTy, SourceLocation()), 52222de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall UO_AddrOf, 522301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff Context->getPointerType(Context->VoidPtrTy), 522401aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff SourceLocation()); 522501aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff InitExprs.push_back(DescRefExpr); 522601aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff 5227fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Add initializers for any closure decl refs. 5228fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockDeclRefs.size()) { 5229fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff Expr *Exp; 5230fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Output all "by copy" declarations. 5231bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByCopyDecls.begin(), 5232fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff E = BlockByCopyDecls.end(); I != E; ++I) { 5233fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (isObjCType((*I)->getType())) { 5234fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff // FIXME: Conform to ABI ([[obj retain] autorelease]). 52354087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 52368189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Exp = new (Context) DeclRefExpr(FD, FD->getType(), SourceLocation()); 5237a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 5238a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian QualType QT = (*I)->getType(); 5239a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian QT = Context->getPointerType(QT); 52402de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, 5241a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian SourceLocation()); 5242a5a7987394ca15334c03b7e168677a8056561062Fariborz Jahanian } 524301f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff } else if (isTopLevelBlockPointerType((*I)->getType())) { 52444087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 52458189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Arg = new (Context) DeclRefExpr(FD, FD->getType(), SourceLocation()); 52469d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall Exp = NoTypeInfoCStyleCastExpr(Context, Context->VoidPtrTy, 52472de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall CK_Unknown, Arg); 5248fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } else { 52494087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 52508189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Exp = new (Context) DeclRefExpr(FD, FD->getType(), SourceLocation()); 52516cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(*I)) { 52526cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QualType QT = (*I)->getType(); 52536cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian QT = Context->getPointerType(QT); 52542de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, QT, 52556cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian SourceLocation()); 52566cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian } 52576cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian 5258fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 52591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(Exp); 5260fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5261fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Output all "by ref" declarations. 5262bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian for (llvm::SmallVector<ValueDecl*,8>::iterator I = BlockByRefDecls.begin(), 5263fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff E = BlockByRefDecls.end(); I != E; ++I) { 52642663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian ValueDecl *ND = (*I); 52652663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string Name(ND->getNameAsString()); 52662663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian std::string RecName; 52672663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian RewriteByRefString(RecName, Name, ND); 52682663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian IdentifierInfo *II = &Context->Idents.get(RecName.c_str() 52692663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian + sizeof("struct")); 5270465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara RecordDecl *RD = RecordDecl::Create(*Context, TTK_Struct, TUDecl, 52712663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian SourceLocation(), II); 52722663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian assert(RD && "SynthBlockInitExpr(): Can't find RecordDecl"); 52732663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian QualType castT = Context->getPointerType(Context->getTagDeclType(RD)); 52742663f527c2717295fbaed4715945b879ad68f4cfFariborz Jahanian 52754087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FD = SynthBlockInitFunctionDecl((*I)->getName()); 52768189cde56b4f6f938cd65f53c932fe1860d0204cTed Kremenek Exp = new (Context) DeclRefExpr(FD, FD->getType(), SourceLocation()); 52772de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Exp = new (Context) UnaryOperator(Exp, UO_AddrOf, 52781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(Exp->getType()), 5279fdc0372eda30952b03f3fd4269dbc4b2acfdfa55Steve Naroff SourceLocation()); 52802de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall Exp = NoTypeInfoCStyleCastExpr(Context, castT, CK_Unknown, Exp); 52811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump InitExprs.push_back(Exp); 5282fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 528301aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff } 5284ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian if (ImportedBlockDecls.size()) { 5285ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian // generate BLOCK_HAS_COPY_DISPOSE(have helper funcs) | BLOCK_HAS_DESCRIPTOR 5286ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian int flag = (BLOCK_HAS_COPY_DISPOSE | BLOCK_HAS_DESCRIPTOR); 528701aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff unsigned IntSize = 528801aec11c8cace2b9b22531627970d8bbdbac0c1cSteve Naroff static_cast<unsigned>(Context->getTypeSize(Context->IntTy)); 52899996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Expr *FlagExp = IntegerLiteral::Create(*Context, llvm::APInt(IntSize, flag), 52909996a7f06a3c5b4554692e7177930cf4e8ef09afArgyrios Kyrtzidis Context->IntTy, SourceLocation()); 5291ff1278809e62d1da22da171752cc5f07734bcf0cFariborz Jahanian InitExprs.push_back(FlagExp); 5292fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5293668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek NewRep = new (Context) CallExpr(*Context, DRE, &InitExprs[0], InitExprs.size(), 5294668bf91d31265b6ea8c3eb854ba450857701f269Ted Kremenek FType, SourceLocation()); 52952de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall NewRep = new (Context) UnaryOperator(NewRep, UO_AddrOf, 52961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Context->getPointerType(NewRep->getType()), 5297fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation()); 52982de56d1d0c3a504ad1529de2677628bdfbb95cd4John McCall NewRep = NoTypeInfoCStyleCastExpr(Context, FType, CK_Unknown, 52999d125033a9853f3b572a4c9e2f9e2d4e5e346973John McCall NewRep); 5300fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockDeclRefs.clear(); 5301fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockByRefDecls.clear(); 5302bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByRefDeclsPtrSet.clear(); 5303fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff BlockByCopyDecls.clear(); 5304bab71685568085b635f077ee5720d22dffab84beFariborz Jahanian BlockByCopyDeclsPtrSet.clear(); 5305fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff ImportedBlockDecls.clear(); 5306fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return NewRep; 5307fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5308fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5309fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff//===----------------------------------------------------------------------===// 5310fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff// Function Body / Expression rewriting 5311fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff//===----------------------------------------------------------------------===// 5312fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5313c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// This is run as a first "pass" prior to RewriteFunctionBodyOrGlobalInitializer(). 5314c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// The allows the main rewrite loop to associate all ObjCPropertyRefExprs with 5315c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// their respective BinaryOperator. Without this knowledge, we'd need to rewrite 5316c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// the ObjCPropertyRefExpr twice (once as a getter, and later as a setter). 5317c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// Since the rewriter isn't capable of rewriting rewritten code, it's important 5318c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff// we get this right. 5319c77a636688e188af7e7a9a05829e542adb48e880Steve Naroffvoid RewriteObjC::CollectPropertySetters(Stmt *S) { 5320c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Perform a bottom up traversal of all children. 5321c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 5322c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CI != E; ++CI) 5323c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (*CI) 5324c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(*CI); 5325c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff 5326c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinaryOperator *BinOp = dyn_cast<BinaryOperator>(S)) { 5327c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinOp->isAssignmentOp()) { 5328c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(BinOp->getLHS())) 5329c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff PropSetters[PRE] = BinOp; 5330c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } 5331c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } 5332c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff} 5333c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff 5334fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve NaroffStmt *RewriteObjC::RewriteFunctionBodyOrGlobalInitializer(Stmt *S) { 53351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 5336fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff isa<DoStmt>(S) || isa<ForStmt>(S)) 5337fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.push_back(S); 5338fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (isa<ObjCForCollectionStmt>(S)) { 5339fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.push_back(S); 53404824fcdf37139efa57466a2a5753dd6e5e792ef8Chris Lattner ObjCBcLabelNo.push_back(++BcLabelCount); 5341fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 53421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5343fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceRange OrigStmtRange = S->getSourceRange(); 53441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5345fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Perform a bottom up rewrite of all children. 5346fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff for (Stmt::child_iterator CI = S->child_begin(), E = S->child_end(); 5347fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CI != E; ++CI) 5348fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (*CI) { 53492b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *newStmt; 53502b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Stmt *S = (*CI); 53512b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IvarRefExpr = dyn_cast<ObjCIvarRefExpr>(S)) { 53522b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian Expr *OldBase = IvarRefExpr->getBase(); 53532b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian bool replaced = false; 53542b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian newStmt = RewriteObjCNestedIvarRefExpr(S, replaced); 53552b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (replaced) { 53562b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian if (ObjCIvarRefExpr *IRE = dyn_cast<ObjCIvarRefExpr>(newStmt)) 53572b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian ReplaceStmt(OldBase, IRE->getBase()); 53582b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian else 53592b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian ReplaceStmt(S, newStmt); 53602b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 53612b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian } 53622b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian else 53632b9b0b2c9a7137f46b7cc6a02ca9608f2fcc868dFariborz Jahanian newStmt = RewriteFunctionBodyOrGlobalInitializer(S); 53641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (newStmt) 5365fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff *CI = newStmt; 536690fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // If dealing with an assignment with LHS being a property reference 536790fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // expression, the entire assignment tree is rewritten into a property 536890fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // setter messaging. This involvs the RHS too. Do not attempt to rewrite 536990fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian // RHS again. 537090fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian if (ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(S)) 537190fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian if (PropSetters[PRE]) { 537290fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian ++CI; 537390fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian continue; 537490fe4bc75d7fe0a68fd858b278221101787320daFariborz Jahanian } 5375fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 53761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5377fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockExpr *BE = dyn_cast<BlockExpr>(S)) { 53785e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian llvm::SmallVector<BlockDeclRefExpr *, 8> InnerBlockDeclRefs; 537972952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian llvm::SmallPtrSet<const DeclContext *, 8> InnerContexts; 538072952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerContexts.insert(BE->getBlockDecl()); 53816cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.clear(); 53825e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian GetInnerBlockDeclRefExprs(BE->getBody(), 538372952fc11f80c975492a2a1e0f6e3601c5252e0aFariborz Jahanian InnerBlockDeclRefs, InnerContexts); 5384fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Rewrite the block body in place. 5385fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteFunctionBodyOrGlobalInitializer(BE->getBody()); 53866cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian ImportedLocalExternalDecls.clear(); 5387fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Now we snarf the rewritten text and stash it away for later use. 53886a12a14a529a79524e17889046c7098b80a73c49Ted Kremenek std::string Str = Rewrite.getRewrittenText(BE->getSourceRange()); 53898e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewrittenBlockExprs[BE] = Str; 53901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 53915e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian Stmt *blockTranscribed = SynthBlockInitExpr(BE, InnerBlockDeclRefs); 53925e49b2f3e0bbc583076fe8af00dff06bcba06dafFariborz Jahanian 5393fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff //blockTranscribed->dump(); 53948e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff ReplaceStmt(S, blockTranscribed); 5395fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return blockTranscribed; 5396fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5397fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Handle specific things. 5398fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCEncodeExpr *AtEncode = dyn_cast<ObjCEncodeExpr>(S)) 5399fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteAtEncode(AtEncode); 54001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5401c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (ObjCPropertyRefExpr *PropRefExpr = dyn_cast<ObjCPropertyRefExpr>(S)) { 5402c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff BinaryOperator *BinOp = PropSetters[PropRefExpr]; 5403c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff if (BinOp) { 5404c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // Because the rewriter doesn't allow us to rewrite rewritten code, 5405c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff // we need to rewrite the right hand side prior to rewriting the setter. 5406b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = true; 5407b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // Save the source range. Even if we disable the replacement, the 5408b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // rewritten node will have been inserted into the tree. If the synthesized 5409b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // node is at the 'end', the rewriter will fail. Consider this: 54101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // self.errorHandler = handler ? handler : 5411b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff // ^(NSURL *errorURL, NSError *error) { return (BOOL)1; }; 5412b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff SourceRange SrcRange = BinOp->getSourceRange(); 5413c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff Stmt *newStmt = RewriteFunctionBodyOrGlobalInitializer(BinOp->getRHS()); 5414b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff DisableReplaceStmt = false; 54154c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54164c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Unlike the main iterator, we explicily avoid changing 'BinOp'. If 54174c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // we changed the RHS of BinOp, the rewriter would fail (since it needs 54184c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // to see the original expression). Consider this example: 54194c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54204c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Foo *obj1, *obj2; 54214c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54224c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // obj1.i = [obj2 rrrr]; 54234c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54244c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 'BinOp' for the previous expression looks like: 54254c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54264c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (BinaryOperator 0x231ccf0 'int' '=' 54274c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ObjCPropertyRefExpr 0x231cc70 'int' Kind=PropertyRef Property="i" 54284c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231cc50 'Foo *' Var='obj1' 0x231cbb0)) 54294c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ObjCMessageExpr 0x231ccb0 'int' selector=rrrr 54304c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231cc90 'Foo *' Var='obj2' 0x231cbe0))) 54314c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54324c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 'newStmt' represents the rewritten message expression. For example: 54334c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54344c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CallExpr 0x231d300 'id':'struct objc_object *' 54354c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (ParenExpr 0x231d2e0 'int (*)(id, SEL)' 54364c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CStyleCastExpr 0x231d2c0 'int (*)(id, SEL)' 54374c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (CStyleCastExpr 0x231d220 'void *' 54384c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // (DeclRefExpr 0x231d200 'id (id, SEL, ...)' FunctionDecl='objc_msgSend' 0x231cdc0)))) 54394c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54404c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // Note that 'newStmt' is passed to RewritePropertySetter so that it 54414c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // can be used as the setter argument. ReplaceStmt() will still 'see' 54424c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // the original RHS (since we haven't altered BinOp). 54434c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 54441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // This implies the Rewrite* routines can no longer delete the original 54454c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // node. As a result, we now leak the original AST nodes. 54464c3580e5f9d1804fa08fecca76ad5089bc9965feSteve Naroff // 5447b619d957b020744bb6bfdd1cef8169d8042df43eSteve Naroff return RewritePropertySetter(BinOp, dyn_cast<Expr>(newStmt), SrcRange); 5448c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff } else { 5449c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff return RewritePropertyGetter(PropRefExpr); 545015f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff } 545115f081de2c8ac7deadf5d938b458b20732230cd9Steve Naroff } 5452fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCSelectorExpr *AtSelector = dyn_cast<ObjCSelectorExpr>(S)) 5453fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteAtSelector(AtSelector); 54541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5455fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCStringLiteral *AtString = dyn_cast<ObjCStringLiteral>(S)) 5456fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCStringLiteral(AtString); 54571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5458fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCMessageExpr *MessExpr = dyn_cast<ObjCMessageExpr>(S)) { 5459c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff#if 0 5460fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Before we rewrite it, put the original message expression in a comment. 5461fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation startLoc = MessExpr->getLocStart(); 5462fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff SourceLocation endLoc = MessExpr->getLocEnd(); 54631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5464fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const char *startBuf = SM->getCharacterData(startLoc); 5465fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const char *endBuf = SM->getCharacterData(endLoc); 54661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5467fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string messString; 5468fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString += "// "; 5469fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString.append(startBuf, endBuf-startBuf+1); 5470fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff messString += "\n"; 54711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // FIXME: Missing definition of 5473fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // InsertText(clang::SourceLocation, char const*, unsigned int). 5474fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // InsertText(startLoc, messString.c_str(), messString.size()); 5475fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Tried this, but it didn't work either... 5476fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // ReplaceText(startLoc, 0, messString.c_str(), messString.size()); 5477c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff#endif 5478fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteMessageExpr(MessExpr); 5479fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 54801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5481fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtTryStmt *StmtTry = dyn_cast<ObjCAtTryStmt>(S)) 5482fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCTryStmt(StmtTry); 5483fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5484fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtSynchronizedStmt *StmtTry = dyn_cast<ObjCAtSynchronizedStmt>(S)) 5485fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCSynchronizedStmt(StmtTry); 5486fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5487fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCAtThrowStmt *StmtThrow = dyn_cast<ObjCAtThrowStmt>(S)) 5488fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCThrowStmt(StmtThrow); 54891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5490fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCProtocolExpr *ProtocolExp = dyn_cast<ObjCProtocolExpr>(S)) 5491fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteObjCProtocolExpr(ProtocolExp); 54921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ObjCForCollectionStmt *StmtForCollection = 5494fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<ObjCForCollectionStmt>(S)) 54951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return RewriteObjCForCollectionStmt(StmtForCollection, 5496fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff OrigStmtRange.getEnd()); 5497fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BreakStmt *StmtBreakStmt = 5498fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<BreakStmt>(S)) 5499fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteBreakStmt(StmtBreakStmt); 5500fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ContinueStmt *StmtContinueStmt = 5501fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff dyn_cast<ContinueStmt>(S)) 5502fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return RewriteContinueStmt(StmtContinueStmt); 55031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Need to check for protocol refs (id <P>, Foo <P> *) in variable decls 5505fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // and cast exprs. 5506fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (DeclStmt *DS = dyn_cast<DeclStmt>(S)) { 5507fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // FIXME: What we're doing here is modifying the type-specifier that 5508fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // precedes the first Decl. In the future the DeclGroup should have 55091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a separate type-specifier that we can rewrite. 55103d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // NOTE: We need to avoid rewriting the DeclStmt if it is within 55113d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // the context of an ObjCForCollectionStmt. For example: 55123d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // NSArray *someArray; 55133d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // for (id <FooProtocol> index in someArray) ; 55143d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // This is because RewriteObjCForCollectionStmt() does textual rewriting 55153d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff // and it depends on the original text locations/positions. 5516b2041de2eb3e44d04cb8c62c4369314af4fd6a90Benjamin Kramer if (Stmts.empty() || !isa<ObjCForCollectionStmt>(Stmts.back())) 55173d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteObjCQualifiedInterfaceTypes(*DS->decl_begin()); 55181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5519fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Blocks rewrite rules. 5520fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff for (DeclStmt::decl_iterator DI = DS->decl_begin(), DE = DS->decl_end(); 5521fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff DI != DE; ++DI) { 55224afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Decl *SD = *DI; 5523fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ValueDecl *ND = dyn_cast<ValueDecl>(SD)) { 552401f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(ND->getType())) 5525fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(ND); 55261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (ND->getType()->isFunctionPointerType()) 5527fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(ND->getType(), ND); 55284c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian if (VarDecl *VD = dyn_cast<VarDecl>(SD)) { 5529a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian if (VD->hasAttr<BlocksAttr>()) { 5530a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian static unsigned uniqueByrefDeclCount = 0; 5531a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian assert(!BlockByRefDeclNo.count(ND) && 5532a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian "RewriteFunctionBodyOrGlobalInitializer: Duplicate byref decl"); 5533a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian BlockByRefDeclNo[ND] = uniqueByrefDeclCount++; 553452b08f2c8a65c059cb2123fa0fd6317b829416deFariborz Jahanian RewriteByRefVar(VD); 5535a73165e47aefbea60312d284343660c9c962c9c3Fariborz Jahanian } 55364c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian else 55374c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian RewriteTypeOfDecl(VD); 55384c863ef92c2b74572090da245c87e1487b0b596cFariborz Jahanian } 5539fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5540fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (TypedefDecl *TD = dyn_cast<TypedefDecl>(SD)) { 554101f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 5542fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(TD); 55431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (TD->getUnderlyingType()->isFunctionPointerType()) 5544fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 5545fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5546fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5547fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 55481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5549fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) 5550fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteObjCQualifiedInterfaceTypes(CE); 55511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (isa<SwitchStmt>(S) || isa<WhileStmt>(S) || 5553fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff isa<DoStmt>(S) || isa<ForStmt>(S)) { 5554fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff assert(!Stmts.empty() && "Statement stack is empty"); 55551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert ((isa<SwitchStmt>(Stmts.back()) || isa<WhileStmt>(Stmts.back()) || 55561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump isa<DoStmt>(Stmts.back()) || isa<ForStmt>(Stmts.back())) 5557fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff && "Statement stack mismatch"); 5558fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Stmts.pop_back(); 5559fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5560fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Handle blocks rewriting. 5561fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(S)) { 5562fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (BDRE->isByRef()) 5563621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff return RewriteBlockDeclRefExpr(BDRE); 5564fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5565f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(S)) { 5566f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian ValueDecl *VD = DRE->getDecl(); 5567f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian if (VD->hasAttr<BlocksAttr>()) 5568f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian return RewriteBlockDeclRefExpr(DRE); 55696cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian if (HasLocalVariableExternalStorage(VD)) 55706cb6eb4c792b504ad652d9230640656852e18ee9Fariborz Jahanian return RewriteLocalVariableExternalStorage(DRE); 5571f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian } 5572f381cc90d6cfa0966ddf791db57a6ed6c2462b5dFariborz Jahanian 5573fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (CallExpr *CE = dyn_cast<CallExpr>(S)) { 5574aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff if (CE->getCallee()->getType()->isBlockPointerType()) { 55758a9e170efd32855377bc7fc5f7ea431ec4f8802eFariborz Jahanian Stmt *BlockCall = SynthesizeBlockCall(CE, CE->getCallee()); 5576aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff ReplaceStmt(S, BlockCall); 5577aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff return BlockCall; 5578aa4d5ae6c450fdbe207cdb12373fc026376ece42Steve Naroff } 5579fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5580b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(S)) { 5581fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteCastExpr(CE); 5582fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5583fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff#if 0 5584fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(S)) { 5585906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl CastExpr *Replacement = new (Context) CastExpr(ICE->getType(), 5586906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl ICE->getSubExpr(), 5587906082edf2aea1c6de2926f93a8d7121e49d2a54Sebastian Redl SourceLocation()); 5588fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get the new text. 5589fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff std::string SStr; 5590fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff llvm::raw_string_ostream Buf(SStr); 55913a9eb44f2906e44ca29ae2d9df56fb9824ef7d05Eli Friedman Replacement->printPretty(Buf, *Context); 5592fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff const std::string &Str = Buf.str(); 5593fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5594fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff printf("CAST = %s\n", &Str[0]); 5595fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertText(ICE->getSubExpr()->getLocStart(), &Str[0], Str.size()); 5596fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff delete S; 5597fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return Replacement; 5598fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5599fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff#endif 5600fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Return this stmt unmodified. 5601fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return S; 5602fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5603fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 56043d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroffvoid RewriteObjC::RewriteRecordBody(RecordDecl *RD) { 56053d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff for (RecordDecl::field_iterator i = RD->field_begin(), 56063d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff e = RD->field_end(); i != e; ++i) { 56073d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff FieldDecl *FD = *i; 56083d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (isTopLevelBlockPointerType(FD->getType())) 56093d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteBlockPointerDecl(FD); 56103d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (FD->getType()->isObjCQualifiedIdType() || 56113d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff FD->getType()->isObjCQualifiedInterfaceType()) 56123d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteObjCQualifiedInterfaceTypes(FD); 56133d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } 56143d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff} 56153d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff 5616fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// HandleDeclInMainFile - This is called for each top-level decl defined in the 5617fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff/// main file of the input. 5618fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroffvoid RewriteObjC::HandleDeclInMainFile(Decl *D) { 5619fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 5620cb73530987a22a6877039b9404b29aba3bf226e0Steve Naroff if (FD->isOverloadedOperator()) 5621cb73530987a22a6877039b9404b29aba3bf226e0Steve Naroff return; 56221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5623fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Since function prototypes don't have ParmDecl's, we check the function 5624fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // prototype. This enables us to rewrite function declarations and 5625fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // definitions using the same code. 562672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor RewriteBlocksInFunctionProtoType(FD->getType(), FD); 5627fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5628d3a413d3b8eb39bcee5944bc545d9997c1abe492Sebastian Redl // FIXME: If this should support Obj-C++, support CXXTryStmt 56295f1bfc10a12d9759444eb433f52a85d2e0058967Argyrios Kyrtzidis if (CompoundStmt *Body = dyn_cast_or_null<CompoundStmt>(FD->getBody())) { 5630fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurFunctionDef = FD; 5631abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = FD; 5632c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(Body); 56338599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = Body; 5634eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek Body = 5635eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 5636eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek FD->setBody(Body); 56378599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 56388599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 56398599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 56408599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 56418599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 5642fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // This synthesizes and inserts the block "impl" struct, invoke function, 5643fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // and any copy/dispose helper functions. 5644fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertBlockLiteralsWithinFunction(FD); 5645fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurFunctionDef = 0; 5646abfd83e74ca8a7553e375dd4631d2570f33648b4Fariborz Jahanian CurFunctionDeclToDeclareForBlock = 0; 56471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5648fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5649fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5650fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCMethodDecl *MD = dyn_cast<ObjCMethodDecl>(D)) { 56516fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios Kyrtzidis if (CompoundStmt *Body = MD->getCompoundBody()) { 5652fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurMethodDef = MD; 5653c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(Body); 56548599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = Body; 5655eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek Body = 5656eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek cast_or_null<CompoundStmt>(RewriteFunctionBodyOrGlobalInitializer(Body)); 5657eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek MD->setBody(Body); 56588599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 56598599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 56608599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 56618599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 56628599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 5663fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff InsertBlockLiteralsWithinMethod(MD); 5664fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CurMethodDef = 0; 5665fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5666fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5667fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (ObjCImplementationDecl *CI = dyn_cast<ObjCImplementationDecl>(D)) 5668fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff ClassImplementation.push_back(CI); 5669fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (ObjCCategoryImplDecl *CI = dyn_cast<ObjCCategoryImplDecl>(D)) 5670fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CategoryImplementation.push_back(CI); 5671fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (ObjCClassDecl *CD = dyn_cast<ObjCClassDecl>(D)) 5672fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteForwardClassDecl(CD); 5673fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff else if (VarDecl *VD = dyn_cast<VarDecl>(D)) { 5674fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteObjCQualifiedInterfaceTypes(VD); 567501f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(VD->getType())) 5676fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(VD); 56778e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff else if (VD->getType()->isFunctionPointerType()) { 5678fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(VD->getType(), VD); 5679fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (VD->getInit()) { 5680b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 5681fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteCastExpr(CE); 5682fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5683fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 56843d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff } else if (VD->getType()->isRecordType()) { 56853d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RecordDecl *RD = VD->getType()->getAs<RecordType>()->getDecl(); 56863d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (RD->isDefinition()) 56873d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteRecordBody(RD); 5688fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 56898e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff if (VD->getInit()) { 56908e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff GlobalVarDecl = VD; 5691c77a636688e188af7e7a9a05829e542adb48e880Steve Naroff CollectPropertySetters(VD->getInit()); 56928599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = VD->getInit(); 56938e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewriteFunctionBodyOrGlobalInitializer(VD->getInit()); 56948599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff CurrentBody = 0; 56958599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff if (PropParentMap) { 56968599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff delete PropParentMap; 56978599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff PropParentMap = 0; 56988599e7a394e7ed44a32dfe64733125e095e3f28cSteve Naroff } 56991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SynthesizeBlockLiterals(VD->getTypeSpecStartLoc(), 57004087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar VD->getName()); 57018e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff GlobalVarDecl = 0; 57028e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff 57038e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff // This is needed for blocks. 5704b2f9e516327310d95840d442416084508f80c183Steve Naroff if (CStyleCastExpr *CE = dyn_cast<CStyleCastExpr>(VD->getInit())) { 57058e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff RewriteCastExpr(CE); 57068e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff } 57078e2f57ad06d73a6c2cacf0167a3b9e244439a9f9Steve Naroff } 5708fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5709fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5710fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (TypedefDecl *TD = dyn_cast<TypedefDecl>(D)) { 571101f2ffacc427de6bef08fe138e8cae82ba1b30a3Steve Naroff if (isTopLevelBlockPointerType(TD->getUnderlyingType())) 5712fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteBlockPointerDecl(TD); 57131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (TD->getUnderlyingType()->isFunctionPointerType()) 5714fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff CheckFunctionPointerDecl(TD->getUnderlyingType(), TD); 5715fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5716fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5717fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (RecordDecl *RD = dyn_cast<RecordDecl>(D)) { 57183d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff if (RD->isDefinition()) 57193d7e7865bd0863fcf36aee14d8911b785dde57ddSteve Naroff RewriteRecordBody(RD); 5720fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 5721fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5722fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Nothing yet. 5723fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5724fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff 5725dacbc5d46aaeea817742b8c76c987b87d2490c85Chris Lattnervoid RewriteObjC::HandleTranslationUnit(ASTContext &C) { 5726fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff if (Diags.hasErrorOccurred()) 5727fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff return; 57281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5729fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff RewriteInclude(); 57301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5731621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Here's a great place to add any extra declarations that may be needed. 5732621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff // Write out meta data for each @protocol(<expr>). 57331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (llvm::SmallPtrSet<ObjCProtocolDecl *,8>::iterator I = ProtocolExprDecls.begin(), 5734621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff E = ProtocolExprDecls.end(); I != E; ++I) 5735621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff RewriteObjCProtocolMetaData(*I, "", "", Preamble); 5736621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 5737d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer InsertText(SM->getLocForStartOfFile(MainFileID), Preamble, false); 57380aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff if (ClassImplementation.size() || CategoryImplementation.size()) 57390aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff RewriteImplementations(); 5740621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff 5741fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // Get the buffer corresponding to MainFileID. If we haven't changed it, then 5742fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff // we are done. 57431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const RewriteBuffer *RewriteBuf = 5744fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff Rewrite.getRewriteBufferFor(MainFileID)) { 5745fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff //printf("Changed:\n"); 5746fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff *OutFile << std::string(RewriteBuf->begin(), RewriteBuf->end()); 5747fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } else { 5748d999b3736ce2646ae0711416b421d906298764dbBenjamin Kramer llvm::errs() << "No changes\n"; 5749fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff } 5750ace6625f236af4fc81d87d63d79d7819944524dcSteve Naroff 5751621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff if (ClassImplementation.size() || CategoryImplementation.size() || 5752621edce9cd7d4e06979daf911cc306350619f33bSteve Naroff ProtocolExprDecls.size()) { 57530aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff // Rewrite Objective-c meta data* 57540aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff std::string ResultStr; 57550aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff SynthesizeMetaDataIntoBuffer(ResultStr); 57560aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff // Emit metadata. 57570aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff *OutFile << ResultStr; 57580aab796da21bfc45381d3ce76c795710cb97acfcSteve Naroff } 5759fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff OutFile->flush(); 5760fa15fd9db405f2d0a9811e94a671f7d7bc282385Steve Naroff} 5761