ASTContext.cpp revision 344577e6b58f42d18dc8118c8903b49a85dc005e
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 237b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis#include "clang/AST/ASTMutationListener.h" 2419cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 2514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne#include "clang/AST/Mangle.h" 261b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 27a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 29f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 3085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 316fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 32f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 33071cc7deffad608165b1ddd5263e8bf181861520Charles Davis#include "CXXABI.h" 3429445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 371827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 381827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 39225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 40225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 41a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 42a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 434923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 444923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 454923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 5561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(Parm->isParameterPack()); 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 7061c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(NTTP->isParameterPack()); 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 726952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 736952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(true); 746952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddInteger(NTTP->getNumExpansionTypes()); 756952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) 766952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddPointer(NTTP->getExpansionType(I).getAsOpaquePtr()); 776952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 786952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(false); 793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateTemplateParmDecl *TTP) const { 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::SmallVector<NamedDecl *, 4> CanonParams; 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 110344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 111344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 112344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara TTP->getDepth(), 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1166952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1176952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 1186952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 1196952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 1206952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1216952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<QualType, 2> ExpandedTypes; 1226952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor llvm::SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 1236952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1246952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 1256952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 1266952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 1276952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1286952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1296952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1306952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation(), 1316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 1356952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 1366952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 1376952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 1386952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 1396952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation(), 1416952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 1426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 1436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 1446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 1456952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 1466952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 1476952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 1486952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 1496952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1553e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 15761c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 15861c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 15961c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 177071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 178ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 179ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 18020cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 181ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 182ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 183ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 184071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 18520cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 18620cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 18720cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 188ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 189071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 190071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 19161710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 192444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 193e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1941b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 19563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 196ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 197ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 198006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 199006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 200782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 201083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 20214b6ba77710d6431794d65c7d58c6f29c3dc956ePeter Collingbourne cudaConfigureCallDecl(0), 203bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 204071cc7deffad608165b1ddd5263e8bf181861520Charles Davis SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), Target(t), 2052e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 206ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 207ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 2089a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 209f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 2108178df3b39ab923ff5d24538812628abee33df79John McCall UniqueBlockByRefTypeID(0) { 2110f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 2120f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 21363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 2141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 215e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 21614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 217e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 218e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 2203478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 2213478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 2223478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 2237d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 22463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 22563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 22663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 2270054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 2297d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 2307d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 2317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 2327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 2333478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 234dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 23563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 23663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 23763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 23863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 23963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 24063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 24163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 24263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 243dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 244dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 245dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 246dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 247dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 248dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2496320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2506320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2516320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2526320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2536320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2546320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 255ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2560054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2570054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2580054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2590054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2612cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2622cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2632cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2642cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2687c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 269dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 271dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 272dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 273dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 274dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 275c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 278dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 281dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 282dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 283dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 284dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 285dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 286dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 287dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 288dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 289dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 291dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 292ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2934923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2941827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2951827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2961827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 297225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 298225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 299225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 300a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 301a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 302a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 3034923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 3044923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 3054923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 3062cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 3072cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 3082cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 3092cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 310ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 31163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 315e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 3166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 317e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 3186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 3225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 3231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 3255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 3261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 3285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 3295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 33015b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 3315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 3325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 3335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 3345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 3355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 35264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3532df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3542df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3552df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3562df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3573f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 3583f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (!LangOpts.ShortWChar) 3593f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3603f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3613f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3623f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3633a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 36464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 365f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 366f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 367f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 368f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 369f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 370f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 371f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 372f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 373f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 374f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 375898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 376898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 377898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 378898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 379898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 380898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3818e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3822a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 3832a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 3842a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3898e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3907e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 392de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 393de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 394de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 39513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 398de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 399de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 40013dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 40114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 402a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 4031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 40433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 40533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 4066e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 4076e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 4086e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 41178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 41278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 41378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 41478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 4156320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 4166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 4176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 4186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 4196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 4206320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4216320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4226320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 4236320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4246320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4256320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 4266320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 4276320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 4286320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 4296320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 4306320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 4316320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4326320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4336320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4346320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 435251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 436663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 438663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4407caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4447caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4457caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 447251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4489421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4499421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4527caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4537caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 454251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4559421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4587ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 459ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4607ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 461ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 462ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4630d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4650d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4660d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4670d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4680d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 469ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 470ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 471ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 472ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 473ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 474ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 475ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 476ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 477ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 478ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 479ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 480ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 481ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 482ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 483ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 484ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 485ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 486ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 487ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 488ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 489ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 490ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 491ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 492ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4930d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4940d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 495d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 496d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 497d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 498d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 499d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 5001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 501d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 502d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 503d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 504d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 505d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 506d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 507d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 508d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 509d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 5101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 511d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 512d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 513d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 5147d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5157d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 5167d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5177d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5187d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5197d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5207d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5217d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 5227d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5237d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5247d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 5257d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 5267d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 5277d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 5287d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 5297d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 5307d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 5317d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 5327d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5337d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 534c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 535c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 536c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 537c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 538c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 539c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 540c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 541c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 542c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 543c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5447d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5457d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5467d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5477d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5487d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 549464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 550464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 551464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 552a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 553b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 554b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 555b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 556183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 557b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 558b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 559b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 560b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 561b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 562b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 563b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 564b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 565b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5668b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 567af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 568af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5695d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5705d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 572dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 573dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5744081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5754081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5764081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5774081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 5784081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 5794081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 5804081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 5814081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 5824081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 5834081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 5844081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 5854081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 5864081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 5874081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 5884081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 5894081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 5904081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 591dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 592ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 593ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 5944081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 595ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 596ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 5974081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 598af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5996217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 6005d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 6015d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 6025d484e8cf710207010720589d89602233de61d01Sebastian Redl else 6035d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 6045d484e8cf710207010720589d89602233de61d01Sebastian Redl } 6055d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 6063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 6073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 6086deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 6093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 6103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 6113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 6123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 6143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 6153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Align = std::max(Align, Target.getLargeArrayAlign()); 6163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 6173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 6183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 6196deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 620dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 621dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 622ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 623ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 624ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 625ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 626ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 627ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 628ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 629ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 630ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 631ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 632ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 633dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 634ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 635ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 636ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 637ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 638ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 639ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 640ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 641ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 642ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 643ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 644ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 645ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 64605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 647af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 648dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 649eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 650af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 651b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 652ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 653bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 654ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 655eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 656eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 657ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 658ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 659ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 660bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 661ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 662ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 663ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 664a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 665a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 670d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypeInfo(const Type *T) const { 6725e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6735e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 674a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 67572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 67672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 67718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 67872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 67972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 68018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 68172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 68272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6835d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6845d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 68518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 68618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 68718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 68818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 68918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 69072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 691fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 69218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 69318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 69418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 69518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 696fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6971d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 69998be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 7009e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 701030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 702030d8846c7e520330007087e949f621989876e3aChris Lattner break; 7035c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 704213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 705030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 7069fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 7079fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 7089fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 7094bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 7106fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 7116fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 7128eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 7139fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 7149fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 7159fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 716030d8846c7e520330007087e949f621989876e3aChris Lattner break; 717030d8846c7e520330007087e949f621989876e3aChris Lattner } 7185d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 7199e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 720a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 721692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 722d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 72318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 72418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 72518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 72618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 72718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 7286f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 7299e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 7309e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 7316f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 732692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 733692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 734692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 7356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 7369e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 7379e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 7386f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7393f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 7403f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 74164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 74264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 74364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 744f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 745f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 746f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 747f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 748f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 749f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 750f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 751f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 752692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 7536f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 7549e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 7559e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 7566f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 757692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7586f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7599e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7609e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7616f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 762692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7659e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7666f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 767692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7686f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7709e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 772ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 773ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 774ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 775ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 776ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7776f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7789e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7799e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7816f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7825426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7835426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7846f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7856f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7869e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7879e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7886f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7896e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7906e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7916e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7921590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 793e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 794e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 795e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 796e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 797e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 798e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 799a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 800bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 801d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 8025426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 803f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 8046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 805485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 806485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 807485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 808485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 809485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 810485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 8115d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 8125d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 8135d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 8145d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 8155d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 8165d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 8175d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 8185d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 8195d484e8cf710207010720589d89602233de61d01Sebastian Redl } 820f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 821f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 8225426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 823f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 824f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 825f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 826f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 827071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 8281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 8291cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 830071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 8311cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 8321cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 833f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 8345d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 8355d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 8365d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 8371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 83898be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 8399e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 8405d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 8415d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 8425d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 843c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 844c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 84544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 8461d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 84744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 848dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 849dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 85044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 85144a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 85272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 85372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 8541d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 8551d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 8561d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8578389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8588389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8598389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8608389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8621d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8637176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8647176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8651d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8667176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 867dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 868dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 869dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 870a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8729fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 87349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 87449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 87549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 87634b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 87734b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 87834b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 879dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 88034b41d939a1328f484511c6002ba2456db879a29Richard Smith } 88134b41d939a1328f484511c6002ba2456db879a29Richard Smith 882075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 883075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 884075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 88518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 88618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 887df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 888df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 889c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 890c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 891c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 892c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 893c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 894c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 895c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 896df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8987176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 89918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 90018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 90118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 90218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 90318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 90418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 90518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 90618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 907395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 908395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 909395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 910395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 911465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 912465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 9131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9149d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 9159d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 9169d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 9179d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 91818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 9191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 92018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 92118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 92218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 92318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 92418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 92518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 9261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 927464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 9289e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 929a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 930a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 931eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 932eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 933eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 934eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 935eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 936dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 937dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 938dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 939dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 940dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 941bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 942bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 9434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 944eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 945bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 9464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 947eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 948bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 949bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 95016e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 95186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 9524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 953eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 95486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 9554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 956eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 95786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 95886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 95934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 96034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 96134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 96234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 9634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 96434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 9651eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 9661eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 967183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 9681eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 9691eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 9701eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 9711eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 9721eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 97334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 97434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 97534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 9768e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 9778e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 9788e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 9798e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 9804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 9812c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 9822c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 9832c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 9842c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 9852c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 9862c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 9872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 9882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 9892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 9902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 9912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 9922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 9932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 9949820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 9952c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 9962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 9974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) const { 9982c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 9992c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 10002c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 10012c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 10022c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 100311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 100411062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 10052c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 10062c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 10079820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 10089820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1009e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1010e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1011e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1012432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1013e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 101453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 101553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 101653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 101753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1018e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1019432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1020e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1021b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 1022b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 1023e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1024e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1025b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1026e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1027e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1028e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1029e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1030e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1031e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1032e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1033e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1034e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1035e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1036b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 103753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1038e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1039e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1040432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1041e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1042e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1043e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1044e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1045b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1046e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1047e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1048e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 1049432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 1050e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1051e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1052e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1053e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1054e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1055e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1056e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 10574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 10583bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 10593bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 106080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 106180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1062b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1063b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10643bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 10653bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 10663bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1067b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1068b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 10698e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 10708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 10718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 10728a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 10738a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 10748a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10758a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10768a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10778a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 10788a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10798a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10808a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 10818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 10828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 10868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 10908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 10928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 10938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 10948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 10968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 10978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 10988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 10998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 11008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 11018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 11021ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 11031ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1104830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1105d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1106d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1107d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1108830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1109d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 11101ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 11111ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11121ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 11131ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 11141ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 11151ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1116d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1117d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 11181ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 11191ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 11201ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1121a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1122b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1123a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1124b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1125b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1126b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1127b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1128b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1129a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 11304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1131109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1132109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1133109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1134109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1135a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1136109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1137a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1138a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1139a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1140a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1141b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1142b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1143a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 11446952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1145a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1146c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1147a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1148a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1149a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1150b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1152b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1153b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1154b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1155b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 11564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 11574ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1158b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1159b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1160b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1161a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1162a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1163a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1164a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 11654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 11673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 11683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 11690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 11710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 11723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 11733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 11743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 11753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 11763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 11770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 11780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 11803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 11813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 11823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 11833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonSplit.second.addConsistentQualifiers(quals); 11843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getExtQualType(canonSplit.first, canonSplit.second); 11853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 11873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 11883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 11893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 11903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 11913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 11923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 11930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 11954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 11964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1197f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1198f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1199f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1200b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 12010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 12070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 12090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 12100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 12111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1213ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1214ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1215b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 12164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1217d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1218b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1219d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 12201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12217f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 12227f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 122358f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 12244027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 12254027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 12264027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12274027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 12281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 12300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 12310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 12320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 12350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 12360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 12370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 12380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1241d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1242a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1243e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1244e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1245e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1246e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1247e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1248e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1249e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1250e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1251e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1252e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1253e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1254e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1255e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1256e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1257e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1258e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1259e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1260e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1261e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 12635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 12644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 12691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 12731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1277467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1278f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 12791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1282c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 12855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 12875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 12915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 13011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 13035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1305467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1306f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 13071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1310c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13126b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 13135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 13155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 13195618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 13204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1321296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1322296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 13235618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 13245618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 13255618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 13285618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 13295618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 13305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 13335618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 13345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1335467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 13365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13385618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 13395618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 13405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1341c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13425618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 13436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 13446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 13455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 13465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 13475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 13485618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 13495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 13507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 13517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 13524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 13534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 13555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 13565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 135754e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 13585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13607c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 13617c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 13637c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 136454e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 136554e14c4db764c0636160d26c5bbf491637c83a76John McCall 13665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 13675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 13685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 136954e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 137054e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 137154e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 13727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 13747c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 13757c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1376c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 138054e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 138154e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 13827c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 13837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 138454e14c4db764c0636160d26c5bbf491637c83a76John McCall 13857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 13867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 13877c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 13897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 13904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 13917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 13927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 139454e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 14007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 140154e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 140254e14c4db764c0636160d26c5bbf491637c83a76John McCall 14037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 14047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 14057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 140654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 140754e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 140854e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 14097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 14105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 14127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1413c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14166b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 14176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 14205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1423f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1424f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 14254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1426f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1427f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1428f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1429f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1430f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1431f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1432f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1433f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1434f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1435f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1436f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1437f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1438f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 143987c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1440f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1441f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1442f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1443f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1444f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1445c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1446f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 14476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 14486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1449f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1450f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1451f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1452f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1453f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 14541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1455fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 14561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 145738aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1458c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 145963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1460923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1461923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1462587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1463587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 146438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 146538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 146638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 14679f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 14689f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 14691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 147163e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 14721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 14757192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 14765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 14771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 14793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 14803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 14813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 14823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 14833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getConstantArrayType(QualType(canonSplit.first, 0), ArySize, 148463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 14853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 14863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 14875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 14897192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1490c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 14915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 149463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 14957192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 14965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1500ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1501ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1502ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1503ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1504ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1505ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1506ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1507ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1508ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1509ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1510ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const Type *ty = split.first; 1511ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1512ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1513ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1514ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1515ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1516ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1517ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1518ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1519ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1520ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1521ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1522ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1523ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1524ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1525ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1526ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1527ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1528ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1529ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1530ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1531ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1532ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1533ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1534ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1535ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1536ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1537ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1538ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 153934b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1540ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1541ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1542ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1543ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1544ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1545ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1546ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1547ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1548ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1549ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1550ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1551ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1552ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1553ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1554ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1555ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1556ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1557ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1558ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1559ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1560ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1561ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1562ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1563ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1564ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1565ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1566745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1567ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1568ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1569ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1570ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1571ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1572ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1573745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1574745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1575ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1576ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1577ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1578ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1579ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1580ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1581ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1582ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1583745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1584745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1585ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1586ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1587ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1588ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1589ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1590ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1591ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1592ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1593ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1594ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1595ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1596ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1597ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1598ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1599ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1600ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1601ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1602ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1603ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1604ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1605ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1606ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1607ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1608ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1609ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1610ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1611ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1612ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1613ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1614ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1615ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1616ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1617ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1618ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1619ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1620ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1621ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1622ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return getQualifiedType(result, split.second); 1623ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1624745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1625bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1626bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 16277e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 16287e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1629c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 163063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 16314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1632c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1633c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 16343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1635715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 16373b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 16383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 16393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getVariableArrayType(QualType(canonSplit.first, 0), NumElts, ASM, 164063e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 16413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Canon = getQualifiedType(Canon, canonSplit.second); 1642715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1643715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 16446b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 164563e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1646c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1647c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1648c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1649c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1650c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1651c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1652898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1653898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 165404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 16553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 16563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1657898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 16583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 16593b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 16603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 16613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1662898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1663898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16643b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 16653b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 16663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 16673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 16683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 16693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 16703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 16713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 16723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 16733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16743b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 16753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1676cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1677cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 16783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 16793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 16801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16813b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 1682898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 16833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 16843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 16853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 16863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(canonElementType.first, 0), 16873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 16883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 16903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 16913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 16923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 16933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 16943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 16953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 16963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, QualType(canonElementType.first, 0), 16973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 16983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 16993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 17003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 17013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 17023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 17043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 17053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonElementType.second); 17063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 17083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 17093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (QualType(canonElementType.first, 0) == elementType) 17103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 17113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 17133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 17143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 17153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 17163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 17173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 17183b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 17193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 17203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 17213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 17223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 1723c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 17243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 1725c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 17263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 1727c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 17293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 17303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 17313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 1732c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1733c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 17343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 17353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 17363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 1737c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 17393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 17403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getIncompleteArrayType(QualType(canonSplit.first, 0), 17413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 17423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canon = getQualifiedType(canon, canonSplit.second); 1743c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1744c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 17453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 17463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 17473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 17482bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1749c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 17513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 1752c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 17533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 17543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 17553b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 1756fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1757fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 175873322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 175973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 176082287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 17614ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 17623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 17655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1766e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1767788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 17685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 17705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1775255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1776231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 17771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1780c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1783e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 17845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 17855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 17865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1789213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 179073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 17914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 17924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 17933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 17941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 179573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 179673322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1797788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1798e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 179973322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 180073322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 180173322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 180273322924127c873c13101b705dd823f5539ffa5fSteve Naroff 180373322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 180473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 180573322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1806467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1807213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 18081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 180973322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 181073322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1811c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 181273322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 18136b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 18146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 181573322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 181673322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 181773322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 181873322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 181973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 18204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18214ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 18224ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 18234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 18242ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 18251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 18262ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 18271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18282ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 18292ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 18302ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 18312ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 18322ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 18332ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 18342ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 18356b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18366b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 18376b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 18382ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18392ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 18402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 18416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 18436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1844789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1845789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1846789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1847789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1848789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 18492ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 18502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 18512ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 18522ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 18536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 18546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 18552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 18571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18589cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 18599cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 18609cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 18619cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 186272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 18635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 18644ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 18654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 18664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 1867cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 1868cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1869cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 18705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 18715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 18725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1873264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 18741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 18761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 187772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1881ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 188204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1883264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1884264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1885264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 18861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 188872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 188972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1890c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1893cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 18946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1895cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 18965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 189772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 18985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 19025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 19034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 19044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 19054ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 19064ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 19075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 19085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 19095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1910e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI); 19115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 19131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 191472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 19155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1916465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1917465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 19188b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl bool isCanonical= EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical(); 19195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 192054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 19215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 19225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1923cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 1924cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 1925cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 1926e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 19275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1928465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 19295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 193004a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 19315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 19325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 19335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 193454e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1935465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1936e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 19378b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 19388b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 1939e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 1940e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 1941e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1942f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1943beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 1944e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 1945465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 19465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 194772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 194872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1949c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 19505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1951465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 195272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1953465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1954465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 1955e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 1956e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall NumArgs * sizeof(QualType) + 1957e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions * sizeof(QualType); 1958e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 1959cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 1960cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 1961cfe9af250f466e7e38becea4428990448ae07737Roman Divacky new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 19625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 196372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 19645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 19655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 19665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 19673cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 19683cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 19693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 19703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 19713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 19723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 19733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 19743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 19753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 19763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 19773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 19793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 19813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 19823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 19834ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 19843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 19853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 19863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 198737ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 19883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 19893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 19903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 19913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 1992f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 199331f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 1994f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 1995f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 19963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 19973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 19983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 20002ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 20012ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 20024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 20031e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2004becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 20051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 200619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 20072ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2008becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2009becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2010becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2011becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 201219c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2013becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 2014becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2015becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2016400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 201719c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2018becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 2019becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2020400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 202119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2022ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2023f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2024f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2025f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 20269fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2027becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 202849aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 202949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 20302ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 20312ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 20325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 20335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 20349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 20354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) const { 20365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 20371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 20399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2040f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 20416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2042f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2043f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2044f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 20455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 20465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 20474ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2048400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2049400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2050400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 2051400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2052400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2053400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2054f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2055f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2056f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2057f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2058400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2059400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20604ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2061400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2062400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2063400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 2064400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2065400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2066400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2067f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2068f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2069f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2070f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2071400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2072400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 20739d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 20749d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 20759d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 20769d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 20779d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 20789d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20799d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 20809d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 20819d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 20829d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20839d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 20849d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 20859d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 20869d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20879d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 20889d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 20899d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20909d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 20919d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 20929d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 20939d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 209449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 209549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 209649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 20974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2098467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 209949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 210049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 210149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 210249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 210349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 210449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 210549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 210649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 210749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 210849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 210949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 211049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 211149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 211249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 211349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 211449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 211549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 211649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2117c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2118c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2119c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2120c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2121c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2122c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2123c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2124c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2125c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2126c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2127c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2128c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2129c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2130c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2131c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2132c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2133c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2134c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2135c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2136c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2137c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2138c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2139c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2140c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2141c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2142c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2143c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2144c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2145c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2146c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2147c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2148c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2149c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2150c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2151c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2152c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2153fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 21541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 215576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 21561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 215776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 21584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad IdentifierInfo *Name) const { 2159fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 2160efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 2161fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 21621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2163fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2164fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2165fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2166fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 21671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2168efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 216976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 2170efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 2171efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 2172789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2173789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2174789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2175789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2176789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 217776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 21786b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 21796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2180fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2181fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2182fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2183fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2184fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2185fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2186fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 21873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 21883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 21893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 21903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 21914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType CanonType) const { 21927c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 21937c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 21943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 21953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 21963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 21973cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 21983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 21993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 22003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 22013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 22023cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 22033cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 22043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 22053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 22063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 22071eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22087532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2209d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 22104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 22117c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22127c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22137c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2214d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2215d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 2216833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 2217833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2218833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2219833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2220833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 222131f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 222271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 2223833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2224833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2225833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2226833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 22277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 22287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 22294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 22307c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22317c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22320f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 22330f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 22340f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 22357c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2236b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 2237b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 22389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 22399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 2240fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 22411275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 22421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 22431275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 22441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 224540808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 22466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 22471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2248ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 224931f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 2250828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 22511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 225255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 22531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 225455f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 225555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 22561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 22579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 22589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 22594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 22607c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 22617c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 22620f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 22630f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 22640f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 22657c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 22669763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 22679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 22689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 22699763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 22709763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 22719763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 22729763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22739763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 22749763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 22759763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 22769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 22779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 22789763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22799763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 22809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 22819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 22829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22839763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 22849763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 22859763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 22869763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 22879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 22889763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 22899763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 22909763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 22919763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 22929763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 22939763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 22949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 22959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 22969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 22979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 22989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 22999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 23009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2301465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2302465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 23034ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2304e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2305465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2306e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2307e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2308465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2309e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2310e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2311e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2312789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2313789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2314789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2315465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2316465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2317789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2318789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2319789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2320465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2321e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2322465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2323e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2324e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2325e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2326075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 23274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2328075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2329075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2330075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2331075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2332075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2333075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2334075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2335075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2336075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2337075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2338075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2339075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2340075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2341075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2342075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2343075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2344075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2345075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2346075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2347075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2348075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2349075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 23504a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 23514a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 23524a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 23534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2354d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2355d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2356d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2357d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 23584a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 23594a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 23604a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 23614a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 23624a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 23634a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2364d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2365d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2366d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 23674a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2368d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2369d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 23704714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 23714714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2372d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2373d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2374d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 23754a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2376d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 23774714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2379d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2380d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 238233500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 238333500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 23844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 238533500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 23864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 238733500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 238833500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 238933500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 239033500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 239133500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 239233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 239333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 239433500955d731c73717af52088b7fc0e7a85681e7John McCall} 239533500955d731c73717af52088b7fc0e7a85681e7John McCall 239633500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 239733500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 239833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 239933500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 240033500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 240133500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 24024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2403aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2404aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 24051734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2406789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 240733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 240833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2409789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2410789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 241133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 241233500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2413789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2414789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2415789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 241633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 241733500955d731c73717af52088b7fc0e7a85681e7John McCall 241833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 241933500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 24201734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 242133500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 242233500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 242333500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 242433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 242533500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 242633500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2427789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 24281734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 242933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 243033500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 243133500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 243233500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 243333500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 243433500955d731c73717af52088b7fc0e7a85681e7John McCall 243533500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 243633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 243733500955d731c73717af52088b7fc0e7a85681e7John McCall } 243833500955d731c73717af52088b7fc0e7a85681e7John McCall 243933500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 244033500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 244133500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2442ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 244333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 24441734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 244533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 24461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 24471734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 24481734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2449cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2450cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 24517536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2452cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 24537536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24547536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 24557536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 24567536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 24577536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 24587536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24597536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 24607536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24617536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24627536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 24637536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2464cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 24657536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 24667536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 24677536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 24687536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 24697536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2470cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 24717536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 24727536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 24737536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 24747536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 24757536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 247688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 247788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 247888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 247988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 24802e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 248188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 248288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2483c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 248454e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 248554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 248654e14c4db764c0636160d26c5bbf491637c83a76John McCall 248754e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 248854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 248954e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 249054e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 249154e14c4db764c0636160d26c5bbf491637c83a76John McCall} 249254e14c4db764c0636160d26c5bbf491637c83a76John McCall 249354e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 249488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 249588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 24961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 249788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 249888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 249988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 250088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 250188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 250288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 250388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 250488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2505c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2506c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 25074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2508c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2509c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2510c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2511c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2512d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2513c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2514c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2515c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2516d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2517c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2518c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2519d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2520c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2521c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 252254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2523c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2524c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2525c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 25260237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 25270237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 252854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 252954e14c4db764c0636160d26c5bbf491637c83a76John McCall 253054e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2531c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2532c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 253354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2535c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 253654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 253754e14c4db764c0636160d26c5bbf491637c83a76John McCall 253854e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2539c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 254054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 254154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2542c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2543c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2544fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2545c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2546c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 25471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2548c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2549c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2550c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2551d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 255288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2553c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2554c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 25554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 25564b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2557c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 25581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25594b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2560c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2561c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 25624b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 25631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2564c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 256554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2566c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2567c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 256854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2569c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2570c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 257154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 257254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2573c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2574c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2575c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2576c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 257724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 257824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2579c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 258024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 258124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 258224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2583deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2584deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 25854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) const { 2586deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2587deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 258874c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2589deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2590deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2591deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2592deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2593deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2594deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2595c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2596c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 259772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 259872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 25999752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 26001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 26019752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 26024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2603dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2604b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2605b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2606b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 26071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2608b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2609b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2610b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2611b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2612b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2613b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 26146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2615b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2616b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2617b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2618b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 26196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 26206b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2621b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2622b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2623b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2624b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2625dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 26266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2627dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 26289752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 26299752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2630d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2631d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 26329752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 26339752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 26349752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 26351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 26369752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 26374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 2638f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 26396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 26409752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 26419752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2642d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2643d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 264460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 264560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 26464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType getDecltypeForExpr(const Expr *e, const ASTContext &Context) { 2647a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2648a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 26491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 265060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 265160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 265260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 265360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 265460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 265560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 265660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 265760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 265860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 265960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 266060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 266160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 266260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 266360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 266460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 26651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 266660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 26671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 266960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 26707eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 267160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 26721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 267360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 267460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 267560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2676395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2677395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2678395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 26791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2680395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 26814ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getDecltypeType(Expr *e) const { 2682dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 26839d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 26849d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 26859d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26879d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 26889d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 26899d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 26909d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 26919d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 26929d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 26936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 26949d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 26959d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 26969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 26979d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 26986b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 26999d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 27009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 27019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 27029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2703dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 27046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2705dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2706395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2707395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2708395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2709395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 2710483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 271134b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 2712483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 2713483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 2714483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 2715483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 2716483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 2717483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 2718483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 2719483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 2720483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 2721483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 2722483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 2723483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 2724483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 2725483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 272634b41d939a1328f484511c6002ba2456db879a29Richard Smith} 272734b41d939a1328f484511c6002ba2456db879a29Richard Smith 27285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 27295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 27304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 2731d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2732e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2733e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2734e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 27355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 27371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 27381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 27391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2740a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2741b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 27425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 27435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 274464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 274564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 274664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 274764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 274864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 274964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 275064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 275164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 275264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 275364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 275464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 275564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 275664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 275764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 27588b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 27598b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 27608b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2761b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 27628b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 27638b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2764e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2765e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2766e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2767e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 27684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 276954e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 277054e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 277154e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2772745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 277354e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 277454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 277554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 277654e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 277754e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 277854e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 277954e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 278054e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 278154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 278254e14c4db764c0636160d26c5bbf491637c83a76John McCall 278354e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 278454e14c4db764c0636160d26c5bbf491637c83a76John McCall} 278554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2786c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 278762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 278862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 278962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 279062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 279162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 279262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 279362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 279462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 279562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 279662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall dyn_cast<ArrayType>(splitType.first->getUnqualifiedDesugaredType()); 279762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 279862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 27999dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 280062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 280162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 280228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 280328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 280462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 280562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 280662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 280762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 280862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 280962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 281062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 281162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 281262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals = splitType.second; 281362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return QualType(splitType.first, 0); 281462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 281562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 281662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 281762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 281862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall quals.addConsistentQualifiers(splitType.second); 281928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28209dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 282162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 282228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 282328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 282428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28259dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 282662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 282728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 282828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28299dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 283062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 28313fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 28329dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 28339dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 28349dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 28359dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 28369dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 28379dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 283862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 283928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 284028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 284128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 284228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 28435a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 28445a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 28455a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 28465a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 28475a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 28485a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 28495a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 28505a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 28515a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 28525a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 28535a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 28545a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 28555a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 28565a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 28575a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28585a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28595a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28605a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 28615a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 28625a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 28635a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 28645a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 28655a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 28665a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 28675a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28685a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28695a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28705a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 28715a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 28725a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 28735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 28745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 28755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 28765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 28775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 28795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 28815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 28835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 28845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 28854ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 28864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 28874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 288880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 28892577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 28902577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 28912577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 289280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 28932577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 289480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 28952577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 28962577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 289780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 28982577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 28992577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 29002577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 29012577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 29022577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 29032577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 290480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 290580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 290680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 29070bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 29080bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 29092577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 29102577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 291180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 291280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 29134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 29143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 29153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 29163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 29173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 29183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 29193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 292097fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 29213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 292225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 29231aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (SubstTemplateTemplateParmPackStorage *SubstPack 29241aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = Name.getAsSubstTemplateTemplateParmPack()) { 29251aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateTemplateParmDecl *CanonParam 29261aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateTemplateParmDecl(SubstPack->getParameterPack()); 29271aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor TemplateArgument CanonArgPack 29281aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = getCanonicalTemplateArgument(SubstPack->getArgumentPack()); 29291aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return getSubstTemplateTemplateParmPack(CanonParam, CanonArgPack); 29301aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 29311aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 29320bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 29331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 293425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 293525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 293625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 293725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 293825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2939db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2940db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2941db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2942db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2943db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2944db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 29451eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 29464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 29471275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 29481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 29491275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 29521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 29531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29541275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2955833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 29561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2957788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2958788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2959a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 2960a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 2961a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 2962a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 29632be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 2964a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 29651275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2966833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 29671275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 29681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29691275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2970833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 29711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 297387dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 297487dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 297587dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 2976910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 2977910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 29781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 29791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 29801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 29811275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 29821275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 29831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2984910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 29851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 29861275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 29871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 29881275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 29891275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 29901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 29911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 29921275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2993d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 29944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 29951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2996d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2997d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2998d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2999d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3000d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 30011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3002d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3003d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3004d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3005d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3006d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3007d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 300814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 300914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 301014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 301114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 301214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 301314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 301414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 301514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 301614aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3017d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3018d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3019d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3020d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3021264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3022264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3023264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3024264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3025264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3026264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3027264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3028264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 3029264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 3030264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3031264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 3032264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 3033264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3034264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3035264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3036643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 3037264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 3038264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 3039264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 3040264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 3041aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor 3042aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor T = getDependentTemplateSpecializationType(DTST->getKeyword(), 3043aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor Prefix, DTST->getIdentifier(), 3044aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getNumArgs(), 3045aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor DTST->getArgs()); 3046264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 3047264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 3048264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 30493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 30503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3051d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3052d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3053d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3054d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3055d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3056d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3057d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3058d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 3059d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3060d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3061d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3062c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 30634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3064c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3065a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3066c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3067c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3068c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3069c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 30701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 30723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3073c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 30741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3076c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3077c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3079c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3080c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 308150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 30820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 30833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 30843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs = split.second; 30851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3086c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 30873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.first); 30883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3089c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 30901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3091c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3092c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 30933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 30941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3095c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3096c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3097c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 30980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3099c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3100c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3101c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 31020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3103898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 31041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3105898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3106898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 31071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 31083fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3109898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 31100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 31117e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 31121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3113c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 31147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 31153fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3116c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 31170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 31187e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 311977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 312077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3121e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3122e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3123e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3124e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3125e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3126e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 31274ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3128c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3129c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3130c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3131c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3132c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3133c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 31341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3135c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3136e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3137e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 31380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3139e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3140e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 31413b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 31423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 31435e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 31445e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 31453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 31463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 31473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 31483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 31493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *array = split.first->getAsArrayTypeUnsafe(); 31503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 31511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 31533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall qs.addConsistentQualifiers(split.second); 31543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 31551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 31563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 31576183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 31586183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 31590de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 31601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 31610de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 31620de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 31630de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 31640de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 31650de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 31660de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 31670de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 31680de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 31690de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 31705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 31715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3172a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3173183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 31745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3175a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3176183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3177183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3178a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 31795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 31805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 31815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 31825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 31835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 31861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3187716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3188716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 31891361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 31901361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 31911361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 31921361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 31931361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3194716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 3195f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3196f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3197f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3198f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3199f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 32001361b11066239ea15764a2a844405352d87296b3Chris Lattner 32011361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 32021361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 32031361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 32041361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 32051361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 32061361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 32075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 32085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 32095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 32117cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 32127cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 32131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 32144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3215a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3216a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 32171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3218a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3219fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3220a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3221fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3222fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 32235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 32245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3225f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3226f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3227f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3228f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3229467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3230f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType* ET = dyn_cast<EnumType>(T)) 3231842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 3232f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 32333f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 32343f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 3235a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 3236a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 3237f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 3238f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 3239f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3240f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 3241f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 3242f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3243f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 32447cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 32457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3246f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 32477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 32487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 32497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 32507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3251f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 32527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 32537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3254f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 32557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 32567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3257f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 32587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 32597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3260f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 32617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 32627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3263f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 32642df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 32652df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 32662df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3267f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3268f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3269f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 327004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 327104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 327204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 327304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 327404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 32754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3276ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3277ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3278ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 327904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 328004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 328104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 328204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 328304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 328404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 328504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 328604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 328704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 328804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 328904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 329004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 329104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 329204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 329304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 329404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 329504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 329604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 329704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 329804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 329904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 330004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 330104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 330204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 330304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3304a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3305a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3306a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 33074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3308a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3309a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3310842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3311842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3312a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3313a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3314a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3315a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3316a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3317a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3318a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3319a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 33201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 33217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 33221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 33234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3324f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3325f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 33267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 33271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3328f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3329f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 33301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 33327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 33331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 33357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 33367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 33377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 33381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 33407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 33417cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 33427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 33437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 33441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 33467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 33471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 33487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 33497cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 33507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 33517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 33527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 33537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 33541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 33567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 33571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 33587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 33595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 336071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 336179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 33624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 336379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 336479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 336579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 336679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 336779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 336879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 336979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 33701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 33714ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 337271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 33731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3374465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 337579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 33765cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 337779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3378f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 33791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 33810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3382f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3383f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 338471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 33850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 338671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 33871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 33881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 338944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 339044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 33911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 339244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3393a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 33941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 33954afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 33962888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 339717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 339844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 339944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3400838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 340171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 34021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 340371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 34048467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3405b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3406319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 34076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3408319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3409319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3410319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3411319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 34122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 34134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getNSConstantStringType() const { 34142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 34152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3416465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 34172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 34182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 34192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34202bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 34212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 34232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 34242bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 34252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 34262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 34272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 34282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34292bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 34302bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 34312bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 34322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 34332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 34342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 34352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 34362888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 34372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 34382bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 34392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 34412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 34422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 34442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 34452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 34472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 34482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 34492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 34502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 34512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 34524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCFastEnumerationStateType() const { 3453bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 345444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3455465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 345679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 34575cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 34581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3459bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3460bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3461de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3462bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3463bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3464bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3465bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 34661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 34681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 34691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 34701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3471a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 34721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 34734afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 34742888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 347517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 347644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 34771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3478838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3479bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 34801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3481bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3482bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3483bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 34844ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3485adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3486adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3487adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3488adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3489adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3490465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 349179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 34925cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3493adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3494adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3495adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3496adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3497adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3498adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3499adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3500adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3501083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3502adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3503adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3504adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3505adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3506adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3507adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3508adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3509a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3510adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3511adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 35122888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3513adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3514adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3515adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3516838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3517adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3518adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3519adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3520adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3521adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3522adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3523adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3524adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3525adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3526adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3527adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3528adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 35294ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3530083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3531083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3532083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3533083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3534083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3535465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 353679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 35375cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3538083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3539083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3540083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3541083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3542083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3543083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3544083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3545083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3546083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3547083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3548083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3549083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3550083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3551083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3552083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3553083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3554083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3555083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3556083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3557083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3558a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3559083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3560083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 35612888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3562083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3563083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3564083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3565838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3566083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3567083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3568083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3569083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3570083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3571083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3572083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3573083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3574083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3575083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3576083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3577083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 35784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 3579af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3580af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3581af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3582af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3583af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3584af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3585e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3586e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3587e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3588e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian return RD->hasConstCopyConstructor(*this); 3589e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3590e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3591e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3592af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3593af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3594af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 35954ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 35964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) const { 3597af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3598ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3599af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3600ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3601ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3602a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3603a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3604af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3605ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3606ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3607af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3608af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3609af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3610f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3611f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3612f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3613af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3614465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 361579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3616af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3617af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3618af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3619af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3620af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3621af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3622af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3623af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3624af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3625af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3626af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3627af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3628af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 36294087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3630af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3631af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3632af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3633af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3634af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3635af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3636af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3637af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3638af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3639af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3640af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3641af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3642af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3643af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3644a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3645af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 36462888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3647af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3648af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3649af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3650838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3651af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3652af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3653ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3654ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3655319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 36566217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3657319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3658319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3659319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3660319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3661e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3662e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 36632d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3664e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3665bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3666bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 36671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 366885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 366985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 367085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3671a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 367233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 36734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 3674199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 36751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 367633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 36772ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3678199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 367933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 368033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3681199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3682aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3683199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3684199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3685199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3686199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3687199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 368833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 368933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 36906b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 36915e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 36926b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 36936b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 36946b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 36955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 36965e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 36975e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 36985e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3699c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 37005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 37015e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 37025e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 37035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3704199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3705199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 37066f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 37075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 37085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3709aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3710199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 37115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 37125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3714199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 37155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 37165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 37175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 37195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 37205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 37215e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 37225e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 37235e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 37245e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 37255e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 37265e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37275e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 37285389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 37295389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 37305389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37315389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 37325389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 37335389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 37345389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37355389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 37365389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37376b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 37386b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 37395389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 37405389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37415389f48b24937ad7b4093307128b3cbf25235654David Chisnallvoid ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 37425389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 37435389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 37445389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 37455389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 37465389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 37475389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37485389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37495389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 37505389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 37515389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 37525389f48b24937ad7b4093307128b3cbf25235654David Chisnall "getObjCEncodingForMethodDecl - Incomplete param type"); 37535389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 37545389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 37555389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 37565389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 37575389f48b24937ad7b4093307128b3cbf25235654David Chisnall 37585389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 37595389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 37605389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 37615389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 37625389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 37635389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 37645389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 37655389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 37665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 37675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 37685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 37695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 37705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 37715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3772199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3773aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 37745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 37755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 37765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3777a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 377833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 37791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 37804ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3781c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3782ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3783a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 378433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 37850d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 378633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 378733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 378833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 378933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3790199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 379133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 379233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3793199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 379489951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 37957732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 379689951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3797aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3798199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3799199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 380033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 380133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3802199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 380333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3804199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 38051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 380633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 380733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 380889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 38097732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 381089951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 38111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 38124306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3813ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3814ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3815ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3816bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3817ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3818ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3819ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3820ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 382133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 38224306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 38230d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3824199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3825aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 382633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 382733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 382833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3829c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 383083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3831c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3832c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 38331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 38341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 38351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 38361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 38371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 383883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 383983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 384083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 384183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 384283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 384383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 384483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 384583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 384683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 384783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 384883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 384983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 385083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 385183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 385283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 385383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 38541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3855c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 38564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 3857c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3858c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3859c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3860c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3861c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3862c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 38631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3864c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3865c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 386617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3867653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3868c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3869c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3870c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3871c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3872c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3873c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3874c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3875c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3876c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3877c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 387861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3879c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 388017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3881653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3882c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3883c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3884c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3885c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3886c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3887c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3888c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3889c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 38901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3891c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3892c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3893c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3894c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3895c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3896c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3897c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3898090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3899090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 39001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3901090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3902090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3903c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3904c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3905c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3906c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3907c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3908c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3909c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 39101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3911c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3912c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3913c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3914c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3915c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3916c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3917c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3918c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3919090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3920090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 39211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3922c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3923c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3924077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3925c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3926c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3927c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3928c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3929077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3930c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3931c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3932c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3933c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3934c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 393539f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3936c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3937c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3938c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3939c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3940c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3941a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 39421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 39431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3944a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3945a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3946a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 39478e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3948183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 39494ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 3950a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 39511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 39524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 3953a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3954a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3955a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3956a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3957a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 39587d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 39594ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 396082a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 396182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 396282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 396382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 39641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 39655b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 396682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 396782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 396864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 396964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 397064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 397164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 397264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 397364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 397464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 397564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 397664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 397764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 39784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 397964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 398064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 398164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 398264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 398364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 39843f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 39853f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 398664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 398764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 39884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 398964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 399064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 399164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 399264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 39933a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 399464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 399564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 399664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 39974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 399864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 39998b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 40008b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 40018b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 400264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 400364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 400464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 400564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 400664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 400764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 400864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 400964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 401064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 401164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 401264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 401364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 401464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 401564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 401664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 401764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 401864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 401964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 402064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 402164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 402264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 402364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 402464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 402564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 402664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 402764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 402864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 402964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 403064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 4031c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 4032c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 4033c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 40344ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 403564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 403664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 40378b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 40388b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 40398b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 404001eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 404182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 404282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 404382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4044153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4045090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 40464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool EncodingProperty) const { 404764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4048ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 404964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 405064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4051ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4052ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4054183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4055c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 40561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4057c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4058ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4059ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 406060bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4061aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4062aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 40636217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 40648d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 40658d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 40668d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 40678d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4068aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4069aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4070aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4071aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4072aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4073a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4074a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4075a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4076a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 40771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 40788e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4079a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4080a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4081a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4082a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 40839fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4084a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 40856217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 40866217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4087a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4088a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4089a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4090a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4091a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4092a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4093a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4094a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4095a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 40960237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 40970237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4098a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 40991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 410085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 410185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 410285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4103e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 410485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 410585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 410685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 41076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 41089533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 41099533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 41109533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 41119533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41129533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41139533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 41149533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 41159533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 41169533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 41179533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 41189533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 411985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 412085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4121a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4122a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 41231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 412443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4125ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4126ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4127aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4128ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4129ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4130ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 4131559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 4132559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4133559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4134559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 41351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4136559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4137559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4138559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 41391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4140559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 4141559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 4142559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 4143559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 4144559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 4145559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4146559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 41471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4149559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4150559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4151559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4152ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4153ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4155183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4156c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4157ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4158ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 41591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 41606217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 416182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4162d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4163502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4164502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4165502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 41666fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 41676fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 41686fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 41696fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 41706fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4171910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4172910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 41736fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 41746fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 41756fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 41766fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4177502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4178502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4179502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 41800d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 41817d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 418217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 418317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 418444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 418543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 4186d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 418744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 4188d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 4189d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 41901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4191d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 419243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 41931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 419443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 4195d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 4196a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 4197a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 41981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 419943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 4200d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 42017d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 42026de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4203d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4204ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4205ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4206e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4207ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 42088b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 420964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 42108b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 42118b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4212ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4213ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4215ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 421621a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4217ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4218ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 42240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 422543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 42260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 422743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 422843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 422943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 423043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 42312c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 42322c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 42332c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 42342c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 42352c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 42362c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 423743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 42382c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 423943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 424043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4241ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 424243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 42431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4244183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 424514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 424614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 424714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4248ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 425027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 425127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 425227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 425327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 425414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 425514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4256ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4258ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 42591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 426014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 426114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 426214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 426314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 426414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 426514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 426667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 426767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 426814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 426914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 427014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 427114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 427214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 427314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 427414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4275ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 42761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4277ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4278ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4279ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4280ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 42811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4282ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4283ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 42841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 42851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4286ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 428714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 428814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4289ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4290ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 429127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4292ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 429327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 429467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 429567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4296ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4297ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4298ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 42991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4300ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4301ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4302ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4303ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 43041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4305532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4306532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4307532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4308532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4309e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4310e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4311e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4312e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4313e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4314e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4315e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4316e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4317ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 431885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 431985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 43201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4321ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4322ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4323ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4324ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4325ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4326ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4327ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4328ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4329ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4330ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4331ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4332ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4333ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4334ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4335ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4336ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4337b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 43381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4339b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4340b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4341b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4342ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4343de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 43447e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 43457e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4346ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 434713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4348b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4349b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4350ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4351a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4352390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4353390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4354ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4355de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 43568baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 43578baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4358a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 43591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 43602198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 43611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4362a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 43632198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 43642198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 43650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 43660bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 43674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 43684ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 43694ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 43700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 43710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 43727532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 43730bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 43740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 43750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 43760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 43770bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4378eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 43790bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 43800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 43810bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 43820bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 43830bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 43847532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 43857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 43860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 43877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 43887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4389d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4390d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 43914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 43924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 43934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 43944ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 43950f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 43960f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 4397789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4398d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4399d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 44001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4401d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4402d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 44030bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4404d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4405d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4406d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4407d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 44081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4409d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4410d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4411d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 44127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 44137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 44144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 44154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 44171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 44183b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 44197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 44217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 44227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 44247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 44257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 44267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 44287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 44317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 44327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 44337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 44347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 44357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4436789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4437789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4438789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4439789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 44407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 44417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 44427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 44437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 44447532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 44457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4446ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4447ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4448ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4449ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 44504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 4451ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4452ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4453ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4454ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4455ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4456ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4457ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4458789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4459789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4460ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4461ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4462ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4463ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4464ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4465ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4466ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4467ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4468ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4469ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4470789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4471789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4472789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4473789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4474789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4475ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4476ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4477ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4478ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4479ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4480ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 44811aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 44821aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 44831aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 44841aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 44851aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 44861aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 44871aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44881aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 44891aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 44901aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 44911aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44921aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 44931aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor Subst = new (*this) SubstTemplateTemplateParmPackStorage(Self, Param, 44941aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 44951aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 44961aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 44971aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 44981aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 44991aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 45001aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 45011aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 4502b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4503d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4504d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4505e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4506b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4507e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4508b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4509b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4510b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4511b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4512b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4513b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4514b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4515b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4516b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4517b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4518b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4519e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4520b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4521b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4522b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4523b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4524b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4525b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4526fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4527fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4528fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4529f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4530fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4531fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4532f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4533fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 453440b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4535fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4536fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 45371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4538fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4539fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 45404fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 45414fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 45424fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 4543ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 4544ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (getLangOptions().getGCMode() == LangOptions::NonGC) 4545ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 4546ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4547ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(getLangOptions().ObjC1); 4548ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 4549ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 4550ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 4551ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 4552ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 4553ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 4554ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 4555ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 4556ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 4557ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4558ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 4559ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 4560ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 4561ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 4562ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 4563ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 4564ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 4565ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 4566ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 45674fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4568b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 45694fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 45704fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 45716ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 45726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 45736ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4574770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 45751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 45766ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 45776ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 45786ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4579467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 45806ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 458161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 45826ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 45836ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4584255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4585255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4586255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4587255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4588255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4589255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4590255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4591255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4592f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4593f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4594255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4595255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4596f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4597255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4598f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4599f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4600f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4601f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4602255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4603255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4604255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4605255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4606255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 46074084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 46084084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 46094084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 46104084c306635b70f37029dca938444e6013f08684Steve Naroff 46114084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 46124084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 46134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 46144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 46154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 46164084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 461714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 46184084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 46194084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 46204084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 46214084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46224084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46234084c306635b70f37029dca938444e6013f08684Steve Naroff} 462414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 46254084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 46264084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 46274084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 46284084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 46294084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 46304084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 46314084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46324084c306635b70f37029dca938444e6013f08684Steve Naroff} 46334084c306635b70f37029dca938444e6013f08684Steve Naroff 4634a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4635a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4636a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4637a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4638a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4639a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4640a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4641a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4642a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4643a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4644a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4645a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4646a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4647a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4648a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4649a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4650a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4651a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4652a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4653a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4654a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4655a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4656a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4657a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4658a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4659a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 46604084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 46614084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 46624084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 46634084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 46644084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 46651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 46664084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 46674084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 46694084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 46704084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46714084c306635b70f37029dca938444e6013f08684Steve Naroff 46724084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4673183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 46741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46754084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 46761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46774084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 46781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 46794084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 46804084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 46814084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 46824084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 46834084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 46844084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 46854084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 46860fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 46874084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 46884084c306635b70f37029dca938444e6013f08684Steve Naroff } 46894084c306635b70f37029dca938444e6013f08684Steve Naroff } 46904084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 46914084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 46924084c306635b70f37029dca938444e6013f08684Steve Naroff } 46931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 46944084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 46954084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 46964084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 46974084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4698de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4699de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4700de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4701de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 47024084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 47034084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 47044084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47054084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47064084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 47074084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47088f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 47098f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4710de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 47124084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 47134084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 47144084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 47154084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 47164084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 47174084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47184084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 47190fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 47204084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47214084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47224084c306635b70f37029dca938444e6013f08684Steve Naroff } 47234084c306635b70f37029dca938444e6013f08684Steve Naroff } 47244084c306635b70f37029dca938444e6013f08684Steve Naroff } 47254084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4726de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4727de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4729de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4730de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 47311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47324084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 47334084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 47344084c306635b70f37029dca938444e6013f08684Steve Naroff 47351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 47364084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 4737de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 47384084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 47394084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 47404084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 47414084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 47424084c306635b70f37029dca938444e6013f08684Steve Naroff 4743de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 47444084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 47454084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 4746de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 4747de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 47484084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 47494084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 47504084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 47514084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 47524084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 47534084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 47544084c306635b70f37029dca938444e6013f08684Steve Naroff break; 47554084c306635b70f37029dca938444e6013f08684Steve Naroff } 47564084c306635b70f37029dca938444e6013f08684Steve Naroff } 47574084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 47584084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 47594084c306635b70f37029dca938444e6013f08684Steve Naroff } 4760de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 4761de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 4762de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 4763de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 4764de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4765de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 4766de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 4767de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 4768de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 4769de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 4770de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4771de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4772de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 4773de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 4774de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 4775de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 4776de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 4777de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 4778de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4779de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 4780de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 4781de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 4782de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 4783de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4784de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4785de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 4786de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4787de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4788de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 47894084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 47904084c306635b70f37029dca938444e6013f08684Steve Naroff } 47914084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 47924084c306635b70f37029dca938444e6013f08684Steve Naroff} 47934084c306635b70f37029dca938444e6013f08684Steve Naroff 47944084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 47954084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 47964084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 47974084c306635b70f37029dca938444e6013f08684Steve Naroff/// 47984084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 47994084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4800c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4801c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4802c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 48034084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4804c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4805c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 48064084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 48074084c306635b70f37029dca938444e6013f08684Steve Naroff 4808c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 48091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 48101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 48114084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4812a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4813a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4814a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4815a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4816a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4817c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4818c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 48194084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 48201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48214084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 482214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 482314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4824132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4825132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4826132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4827132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4828132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4829132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4830132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4831132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4832a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4833132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4834132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4835132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4836132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4837132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4838132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4839a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4840132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4841132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4842132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4843132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4844132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4845132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4846132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4847132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4848132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4849132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4850132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4851132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4852132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4853132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4854132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4855132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4856132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4857132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4858132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4859e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4860e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4861e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4862e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4863e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4864e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4865e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4866e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4867e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4868e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4869c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4870c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4871c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4872c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4873e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4874e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4875e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4876e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4877e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4878e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4879432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4880c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4881c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4882e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4883e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4884e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4885e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4886e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4887e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4888cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4889cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4890e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4891e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4892e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4893e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4894e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4895432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4896c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4897c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4898432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4899432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4900432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4901432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4902432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4903e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4904e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4905e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4906db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4907db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4908db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4909db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4910db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4911c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4913c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4915c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4916c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4917c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4918db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4919db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4920c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4921c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4922e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4924c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4926c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4927c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4928c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4929c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4931e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4932db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4933db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4934db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4935db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4936db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4939c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4940c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4941c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 49426ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 49436ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4944c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 49456ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 49461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49476ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 49486ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4949c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 49506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 49511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49526ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 49536ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4954c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 49556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 49561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4957c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4958c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 495991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 496091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 496191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 496291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 496391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4964c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4965c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 49668f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 49678f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 496891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 49698f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 49708f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 497191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 497291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 497391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 497491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 497591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 497691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 497791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 49786ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 49796ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4980389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4981389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4982183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4983183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 49841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 498514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4986389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 498714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 498814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 498914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4990389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4991389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4992569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4993569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4994569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4995569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4996569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4997569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 49981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4999ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 50001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5001ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5002447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5003447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 50040e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 50050e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 50060e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5007447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 50083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 50093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5010132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5011132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5012132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5013132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 50144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 50154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 50164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 50174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 50184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 50194846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 50204846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 50214846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 50224846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 50234846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 50244846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5025f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 50264846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 50274846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 50284846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 50294846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50304846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50314846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 50324846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50334846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 50344846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 50354846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50364846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 50374846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 50384846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 50394846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 50404846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 50414846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 50424846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 50434846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 50444846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 50454846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 50464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 50474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 50484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50494846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 50504846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 50514846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 50524846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 50534846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 50544846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 50554846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 50564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5057132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 5058447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5059447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 5060183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 5061183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 506272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 506372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 50643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 50653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 50663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 5068132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 5069d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 5070d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 5071d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 5072d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 5073d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 5074d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 5075d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian retType = mergeTypes(RHS, LHS, true, UnqualifiedResult); 5076d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 5077132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 50788cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 50798cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 50803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 5081447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5082447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5083447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 5084447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5085447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 5086447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 5087447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5088447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 5089447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 5090447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5091447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5092447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 509361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 5094447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 509561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 50968cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 50976a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 50986a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 50996a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 51006a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 5101264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 5102264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 51038cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51048cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 51058cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 51068cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 51078cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51088cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 51098cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 51108cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 51118cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 51128cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 51138cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 51146a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 51158cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 51166a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 51178cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 51186a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 51191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 51208cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 51218cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 51228cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 5123e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 51243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 5125465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 5126465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 51273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 51283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 51293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 51313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 51323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 51353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 51363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51387fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 51397fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 51407fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 51413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 51423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 51433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 51443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 51453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 51464846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 51474846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 51484846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 51493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 5150447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5151447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 5152447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 5153447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 51543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 5155447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5156447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 5157447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 5158447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5159447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 516061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 516161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 516261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 516361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 51643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 51663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5167e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5168e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 5169e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 5170e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 51713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 51743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 51753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 517672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 51773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 5178465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 51793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 51803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 51813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 51823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 51833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 51843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 51853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 51863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 51873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 5188b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 5189b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 5190b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 5191b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 5192b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 5193b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 51943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 51953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 51963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 5201e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5202e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 5203e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 52043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 5205e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 52063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 52073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 52093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 52108cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 52113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 52123d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5213132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 5214447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 5215447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 521643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 521743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 521843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 52197c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 52207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 52210e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 52220e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 5223447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5224447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5225447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 5226447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 5227447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 52280e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 52293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 52303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 52313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5232f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 52333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 52343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 52353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 52360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 5237a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 5238a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 52390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 52400953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 52410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 52420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 52430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 52440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 52450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52460953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 52470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 52480953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 52490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 52500953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 52510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 52520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 52530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 52540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 52560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 52570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 52590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 52600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 52620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 52630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 52650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 52660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 52670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 52683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5269852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5270852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5271f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 52721adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 52731adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 52741adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 52751adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 52764c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 52774c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5278a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5279a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5280a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5281a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 52821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5283c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5285c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5287213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5288213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5289213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 52901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 52914e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 52924e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 52931adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 52941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5295842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5296842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5297183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 52983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 52993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5300bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5301183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 53023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 53033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5304bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 53051adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 53063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5307ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 53083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53094a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 53101adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 531172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 531272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5313ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 531472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 531572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 531672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 531772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 531872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 531972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 53207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 53217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 532272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 532372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 532472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 532572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5326c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 532772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 532872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 532972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 533072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 533172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 533272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 533372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 53341adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 53353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 53363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 53376217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 53386217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5339447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5340447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5341447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5342447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5343447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5344447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 53453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 534607d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 534761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 534807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 534961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 53503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 53513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5352c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5353c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5354c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 53556217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 53566217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5357447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5358447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5359447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5360447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5361447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5362447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5363c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5364c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5365c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5366c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5367c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5368c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5369c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 53701adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 53713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 53723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 53733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 53743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 53753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 53763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 53773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 53783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5379447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5380447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5381447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5382447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5383447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5384447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 53853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 538661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 538761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 538861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 538961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 53903bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 53913bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 53923bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 53933bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 53943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 53953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 539661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 539761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 539861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 539961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 54003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 54013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 54023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 54033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 54043d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 54053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 54073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 54083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 54093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 54103d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 54113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54123bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 54133bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 54147e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 54157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 54163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 54171adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5418447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 541972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 542072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 54213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 54221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 54233cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 54243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 542564cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 542664cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 542764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 54283cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 54295a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 54301c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 54311c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 54323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 543361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5434c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5435c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 54365a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 54375a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5438c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5439c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5440c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 54415fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 54425fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 54433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 544461490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 544514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5446132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5447132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5448132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5449132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5450132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5451132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5452132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5453183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5454183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 545514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 545614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5457bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5458132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5459ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 546072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 546172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5462ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 54637192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 54642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 54652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 54662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 54672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 54682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 54692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 54702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 54712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 54722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 54732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 54742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 54752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 54772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 54782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 54792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 54802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 54812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 54822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 54832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 54852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 54862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 54872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 54882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5489e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5490e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 54912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 54922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5493e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 54942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 54952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 54962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 54972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 54982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 54992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 55012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 55022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 55032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 55042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 55052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 55062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 55072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 55102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 55112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 55122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 55132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 55142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 55152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 55162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 55172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 55192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 55222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 55242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 55252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 55292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 55302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 55312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 55322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 55332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 55342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 55352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 55362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 55372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 55382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 55392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 55405426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5541ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5542ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 554388054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 55444ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 5545f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 554629a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 55471274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 55481274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5549f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5550ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5551ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5552ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5553ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5554f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 55556a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55566a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 55576a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 55586a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5559e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 55606a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55616a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 55626a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5563ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 55646a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 55656a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 55666a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5567ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5568ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5569ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5570ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5571ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5572ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5573ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5574ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5575ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5576ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5577ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5578ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 55792df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 55802df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5581ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5582ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5583ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5584ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5585ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5586ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 55877b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 55887b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 558986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 559086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 559186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 559286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 559386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 559486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 559533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 559633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 559733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 559833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 559914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 560014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 560114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 56024ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 560386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 560414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 560533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 560686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 560786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 560886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 560914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5610393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 561133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 561286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 561386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 561486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 56151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5616393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 561714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5618393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 561986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 562086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 562186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 562286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 562386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 562486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 562586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 562686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 562786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 562886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 562986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 563086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 563186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 563286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 563386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 563486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 563586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 563686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 56371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 563886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 563986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 564086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 564186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 564286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 564386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 564486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 564586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 564686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 564786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 564886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 564986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 565086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 565186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 565286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 565386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 565486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 565586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 565686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 565786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 565886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 565986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 566086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 566186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 566286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 566386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 566486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 566586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 566686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 566786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 566886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 566986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 567086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 567186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 567286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 567386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 567486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 567586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 567686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 567786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 567886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 567986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 568086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 568186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 568286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 568386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 568486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 568586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 568686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 568786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 568886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 568986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 569086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 569186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 569286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 569386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 569486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 569586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5696ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 5697ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 5698ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 5699ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 5700ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 5701ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 570286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 570386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 570486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 570586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 570686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 570786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 570886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 570986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 571086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 571186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 571286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 571386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 571486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 571586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 571686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 571714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 571886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 571914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 572086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 572186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 572286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 572386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 572486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 572586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 572686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 57271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 572814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 572914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 573014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 573133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 573233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5733788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5734e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 573586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 573686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5737d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 573814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 573914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 574014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5741d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5742d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5743d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 57449a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5745c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5746c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5747f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 574886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 574986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5750fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 57519a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5752f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5753782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5754f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5755f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5756f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5757fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5758f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5759fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5760fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5761fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5762782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 57631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 576433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 576533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 576686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5767187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 576833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 576933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 577033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 577133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 577233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 577333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 577433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 577533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 577633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 577733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 577833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 577933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 578033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 578133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 578233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 578333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 578433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 578533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 578633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 578733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 578833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 578933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 579033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 579133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 579286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 579386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5794393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 579514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5796393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 57971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 579886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 579986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 580086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 580186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 580233daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 580314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 58044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 580533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 58061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 580786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 58081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 580914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 581086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 581114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 581214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 581386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 581486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 581514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 581614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 581714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 581886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 581914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 582086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 582186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 582286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 582314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 582414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 582514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 582614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 582714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 582886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 582986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 583086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 58311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 583286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 583386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 583486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 583586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 583686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 583786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 583800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 583900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 584000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 584100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 584200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 584300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 584400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 584500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 5846ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5847e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 584800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 584900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 5850e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5851e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 585286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5853a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 585490e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 585590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 585690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 585790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 585890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 585990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 586090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 586190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 586290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 586390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 586490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 586590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 586690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 586790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 586890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 586990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 587090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 587190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 587290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 587390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 587490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 587590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 587690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 587790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 587890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 587990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 588090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 588190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 588290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 588390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 588490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 588590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 588690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 588790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 588890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 588990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 589090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 589190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 589290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 589390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 589490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 589590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 589690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 589790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 589890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 589990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 590090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 590190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 590290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 590390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 590490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 590590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 590690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 590790e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 590890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 590990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 591090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 591190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 591290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 591390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 591490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 591590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 591690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 591790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 591890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 591990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 592090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 592190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 592290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 592390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 592490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 592590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 592690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 592790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 592890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 592990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 593090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 593190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 593290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 593390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 593490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 593590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 593690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 593790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 593890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 593990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 594090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 594190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 594290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 594390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 594490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 594590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 594690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 59474ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 594890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 594990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 595090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 595190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 595290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 595390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5954ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5955ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5956ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5957ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 595890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 595990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 596090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 596190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 596290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 596390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 596490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 596590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 596690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 596790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 596890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 596990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 597090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 597190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 597290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 597390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 597490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 597590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 597690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 597790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 597890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 597990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 598090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 598190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 598290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 598390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 598490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 598590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 598690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 598790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 598890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 598990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 599090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 599190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 599290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 599390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 599490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5995ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5996ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5997ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 599890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 599990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 600090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 600190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 600290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 6003bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 6004bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 600590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 600690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 600790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 600890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 600990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 601090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 601190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 601290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 601390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 601490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 601590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 601690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 6017071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 6018ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 6019ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 6020ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 6021ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 6022ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 60234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 6024dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 6025dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 6026dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 6027dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 602814110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 602914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne switch (Target.getCXXABI()) { 603014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 603114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 603214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 603314110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 603414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 603514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 603614110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne assert(0 && "Unsupported ABI"); 603714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return 0; 603814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 603914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 6040071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 6041