ASTContext.cpp revision 61c4d28e36cd3f1be392cb77f07436d1fa6b0f9f
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" 251b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 26a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 28f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 2985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 306fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 31f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 32071cc7deffad608165b1ddd5263e8bf181861520Charles Davis#include "CXXABI.h" 3329445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 361827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 371827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 38225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 39225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 40a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 41a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 424923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 434923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 444923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatRank, DoubleRank, LongDoubleRank 475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 493e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 523e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 5461c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(Parm->isParameterPack()); 553e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 563e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 573e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 583e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 6961c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(NTTP->isParameterPack()); 703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddPointer(NTTP->getType().getAsOpaquePtr()); 713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP) { 833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::SmallVector<NamedDecl *, 4> CanonParams; 953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 1003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 1023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 1043e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 1053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 1063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) 1073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 1083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), NTTP->getDepth(), 1103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor NTTP->getPosition(), 0, 1113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor getCanonicalType(NTTP->getType()), 11210738d36b150aa65206890c1c845cdba076e4200Douglas Gregor NTTP->isParameterPack(), 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 0)); 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 12261c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 12361c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 12461c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 1253e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1263e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1303e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1333e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1353e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1383e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1393e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1403e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1413e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 142071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 143ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 144ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 14520cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 146ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 147ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 148ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 149071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 15020cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 15120cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 15220cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 153ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 154071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 155071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 15661710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 157444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 158e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1591b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 16063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 161ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 162ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 163006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 164006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 165782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 166083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 167bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 168071cc7deffad608165b1ddd5263e8bf181861520Charles Davis SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), Target(t), 1692e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 170ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 171ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 1729a44b5f5593bd8a385d06b07c564795f643ec8daArgyrios Kyrtzidis ExternalSource(0), Listener(0), PrintingPolicy(LOpts), 173f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 174f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek UniqueBlockByRefTypeID(0), UniqueBlockParmTypeID(0) { 1750f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 1760f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 17763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 1781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 179e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 18014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 181e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 182e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 1843478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 1853478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 1863478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 1877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 18863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 18963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 19063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 1910054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 1937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 1947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 1957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 1967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 1973478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 198dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 19963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 20063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 20163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 20263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 20363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 20463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 20563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 20663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 207dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 208dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 209dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 210dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 211dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 212dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 219ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2200054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2210054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2220054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2230054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2252cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2262cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2272cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2282cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 233dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 235dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 236dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 237dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 238dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 239c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 242dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 246dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 247dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 248dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 249dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 250dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 251dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 252dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 253dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 255dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 256ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2574923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2581827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2591827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2601827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 261225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 262225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 263225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 264a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 265a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 266a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 2674923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 2684923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 2694923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 2702cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2712cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2722cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2732cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 274ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 27563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 2765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 279e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 2806b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 281e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 2826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 29415b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 3015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 31664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3172df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3182df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3192df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3202df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3213f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 3223f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (!LangOpts.ShortWChar) 3233f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 3243f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 3253f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 3263f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 3273a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 32864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 329f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 330f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 331f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 332f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 333f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 334f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 335f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 336f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 337f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 338f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 339898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 340898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 341898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 342898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 343898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 344898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3458e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3462a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 3472a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 3482a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 350e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 3512a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3578e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3587e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 360de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 361de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 362de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 36313dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36513dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 366de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 367de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 36813dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 36914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 370a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 3711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 37233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 37333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 3746e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3756e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 3766e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 3775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37978a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 38078a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 38178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 38278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 3836320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 3846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 3856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 3866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 3876320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 3886320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3896320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3906320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 3916320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3926320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 3946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 3956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 3966320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 3976320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 3986320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 3996320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 4006320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 4016320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 4026320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 403251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 404663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 4057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 406663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4087caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4097caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4117caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 415251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4169421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4179421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4207caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4217caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 422251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4239421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4247caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4257caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4267ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 427ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4287ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 429ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 430ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4310d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4330d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4340d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4350d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4360d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 437ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 438ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 439ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 440ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 441ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 442ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 443ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 444ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 445ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 446ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 447ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 448ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 449ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 450ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 451ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 452ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 453ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 454ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 455ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 456ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 457ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 458ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 459ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 460ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4610d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4620d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 463d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 464d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 465d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 466d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 467d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 469d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 470d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 471d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 472d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 473d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 474d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 475d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 476d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 477d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 4781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 479d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 480d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 481d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 4827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 4847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4867d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 4907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 4947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4977d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4987d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4997d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 5007d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5017d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 502c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 503c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 504c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 505c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 506c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 507c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 508c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 509c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 510c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 511c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5127d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5137d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5147d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5157d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5167d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 517464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 518464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 519464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 520a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 521b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 522b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 523b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 524183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 525b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 526b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 527b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 528b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 529b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 530b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 531b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 532b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 533b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5348b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 535af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 536af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5375d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5385d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5398b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 540dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 541dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5424081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5434081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5444081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5454081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 5464081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 5474081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 5484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 5494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 5504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 5514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 5524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 5534081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 5544081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 5554081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 5564081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 5574081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 5584081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 559dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5604081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 5614081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore type of value 5624081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 563af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5646217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5655d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5665d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 5675d484e8cf710207010720589d89602233de61d01Sebastian Redl else 5685d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 5695d484e8cf710207010720589d89602233de61d01Sebastian Redl } 5705d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 5716deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 5726deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 5736deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 5746deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5756deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 5766deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 5776deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 5786deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5796deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 5804cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 581dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 582dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 583dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 584dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 585dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 58605f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 58705f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 58805f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 58905f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 59005f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 59105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 592af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 593dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5948b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 595af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 596b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 597ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 598ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 599ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 600ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 601ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 602ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 603ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 604ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 605ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 606ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 607ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 608ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 609a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 610a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 615d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6161d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 6175e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6185e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 619a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 62072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 62172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 62218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 62372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 62472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 62518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 62672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 62772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6285d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6295d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 63018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 63118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 63218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 63318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 63418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 63572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 636fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 63718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 63818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 63918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 64018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 641fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6421d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 64498be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 6459e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 646030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 647030d8846c7e520330007087e949f621989876e3aChris Lattner break; 6485c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 649213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 650030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 6519fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 6529fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 6539fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 6544bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 6556fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 6566fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 6578eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 6589fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 6599fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 6609fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 661030d8846c7e520330007087e949f621989876e3aChris Lattner break; 662030d8846c7e520330007087e949f621989876e3aChris Lattner } 6635d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6649e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 665a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 666692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 667d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 66818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 66918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 67018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 67118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 67218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6736f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6749e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6759e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6766f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 677692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 678692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 679692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6806f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6819e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6829e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6836f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 6843f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 6853f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 68664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 68764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 68864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 689f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 690f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 691f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 692f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 693f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 694f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 695f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 696f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 697692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6986f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6999e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 7009e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 7016f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 702692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 7036f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 7049e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 7059e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 7066f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 707692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7086f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7099e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7109e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7116f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 712692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7136f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7149e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7159e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7166f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 717ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 718ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 719ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 720ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 721ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7226f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7239e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7249e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7256f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7275426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7285426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7296f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7306f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7319e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7329e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7336f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7346e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7356e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7366e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7371590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 738e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 739e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 740e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 741e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 742e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 743e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 744a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 745bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 746d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 7475426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 748f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 7496f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 750485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 751485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 752485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 753485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 754485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 755485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7565d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7575d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7585d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 7595d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 7605d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 7615d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 7625d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 7635d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 7645d484e8cf710207010720589d89602233de61d01Sebastian Redl } 765f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 766f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 7675426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 768f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 769f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 770f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 771f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 772071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 7731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7741cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 775071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 7761cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7771cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 778f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7795d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7805d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7815d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 78398be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7849e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7855d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7865d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7875d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 788c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 789c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 79044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7911d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 79244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 79344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 79444a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 79544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 79644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 79772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 79872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7991d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 8001d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 8011d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 8028389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 8038389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 8048389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 8058389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 8061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8071d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8087176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8097176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8101d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8117176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 8127176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 8137176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 814dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 815a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8179fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 81849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 81949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 82049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 821075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 822075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 823075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 82418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 82518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 826df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 827df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 828df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Align = std::max(Typedef->getMaxAlignment(), Info.second); 829df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8317176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 83218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 83318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 83418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 83518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 83618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 83718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 83818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 83918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 840395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 841395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 842395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 843395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 844465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 845465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 8461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 84718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 8481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 84918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 85018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 85118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 85218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 85318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 85418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 8551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 856464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 8579e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 858a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 859a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 860bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 861bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 862bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 863199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 864bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 865bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 866199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 867bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 868bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 86916e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 87086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 87186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 87286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 87386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 87486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 87586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 87686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 87786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 87834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 87934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 88034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 88134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 88234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 88334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8841eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8851eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 886183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8871eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8881eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8891eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8901eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8911eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 89234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 89334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 89434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 8958e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8968e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8978e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8988e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 89911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 9002c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 9012c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 9022c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 9032c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 9042c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 9052c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 9062c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 9072c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 9082c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 9092c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 9102c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 9112c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 9122c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 9139820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 9142c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 9152c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 9169820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 9172c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 9182c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 9192c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 9202c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 9212c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 92211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 92311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 9242c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 9252c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 9269820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 9279820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 928e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 929e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 930e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 931432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 932e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 93353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 93453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 93553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 93653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 937e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 938432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 939e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 940b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 941b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 942e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 943e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 944b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 945e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 946e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 947e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 948e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 949e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 950e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 951e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 952e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 953e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 954e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 955b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 95653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 957e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 958e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 959432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 960e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 961e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 962e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 963e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 964b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 965e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 966e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 967e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 968432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 969e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 970e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 971e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 972e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 973e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 974e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 975e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9763bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 9773bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 9783bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 97980aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 98080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 981b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 982b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9833bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 9843bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 9853bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 986b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 987b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9888e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9898e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9908e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 10008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 10018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 10028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 10038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 10048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 10058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 10068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 10098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 10118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 10128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 10138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 10158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 10168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 10178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 10188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 10198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 10211ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 10221ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1023830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1024d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1025d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1026d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1027830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1028d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 10291ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 10301ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 10311ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 10321ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 10331ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 10341ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1035d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1036d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 10371ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 10381ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 10391ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1040a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1041b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1042a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1043b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1044b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1045b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1046b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1047b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1048a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 1049109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 1050109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1051109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1052109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1053109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1054a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1055109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1056a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1057a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1058a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1059a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1060b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1061b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1062a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 1063a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1064a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1065a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1066a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1067a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1068a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1069b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1070b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1071b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1072b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1073b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1074b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1075b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1076b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1077b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1078b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1079a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1080a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1081a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1082a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10830953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10850953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 10910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 10920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 10930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 10940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 109749f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(TypeNode, Quals); 10980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 11000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 11010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 11020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1103f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1104f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1105f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1106f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1107b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 11080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 11140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 11160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 11170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 11181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1120ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1121ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1122b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 11230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1124d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1125b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1126d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11287f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 11297f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 113058f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 11314027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 11324027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 11334027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11344027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11380953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11390953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 11420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 11440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 11450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11470953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1148d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1149a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1150e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1151e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1152e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1153e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1154e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1155e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1156e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1157e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1158e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1159e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1160e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1161e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1162e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1163e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1164e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1165e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1166e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1167e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1168e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 11695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 11705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 11715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 11725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 11735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 11745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 11755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 11761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 11785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 11795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 11801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 11825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 11835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1184467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1185f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 11861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 11885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1189c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 11905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 11916b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 11925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 11935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 11945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 11955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 11965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 11975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 11985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 11995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 12005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1212467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1213f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1217c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12196b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 12225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12265618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12275618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1228296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1229296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12305618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12315618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12325618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12345618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12355618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12365618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12375618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12405618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1242467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12435618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1248c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12506b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12535618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12545618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12577c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 125954e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 126354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12667c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 12677c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 12685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 12697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 127054e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 127154e14c4db764c0636160d26c5bbf491637c83a76John McCall 12725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 12735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 12745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 127554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 127654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 127754e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 12787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 12807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 12817c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1282c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 12837c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 12847c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 128654e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 128754e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 12887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 12897c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 129054e14c4db764c0636160d26c5bbf491637c83a76John McCall 12917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 12927c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 12937c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 12947c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 12957c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 12967c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 12977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 12987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 12997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 130054e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13017c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13047c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13057c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13067c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 130754e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 130854e14c4db764c0636160d26c5bbf491637c83a76John McCall 13097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 131254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 131354e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 131454e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 13187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1319c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 13236b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 13245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1329f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1330f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13311eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1332f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1333f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1334f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1335f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1336f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1337f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1338f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1339f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1340f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1341f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1342f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1343f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1344f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 134587c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1346f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1347f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1348f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1349f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1350f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1351c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1352f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13546b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1355f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1356f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1357f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1358f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1359f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1361fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13621eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 136338aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1364c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1365c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1366923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1367923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1368587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1369587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 137038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 137138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 137238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 13739f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 13749f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 13751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 13770be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 13781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 13801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 13817192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 13825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 13831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 13855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 13865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1387467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 13881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1389c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 13905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 13927192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1393c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 13976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 13987192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 13995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1403745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getIncompleteArrayType - Returns a unique reference to the type for a 1404745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// incomplete array of the specified element type. 1405745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getUnknownSizeVariableArrayType(QualType Ty) { 1406745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ElemTy = getBaseElementType(Ty); 1407745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian DeclarationName Name; 1408745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::SmallVector<QualType, 8> ATypes; 1409745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ATy = Ty; 1410745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian while (const ArrayType *AT = getAsArrayType(ATy)) { 1411745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATypes.push_back(ATy); 1412745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATy = AT->getElementType(); 1413745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1414745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian for (int i = ATypes.size() - 1; i >= 0; i--) { 1415745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (const VariableArrayType *VAT = getAsVariableArrayType(ATypes[i])) { 1416745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Star, 1417745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, VAT->getBracketsRange()); 1418745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1419745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (const ConstantArrayType *CAT = getAsConstantArrayType(ATypes[i])) { 1420745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::APSInt ConstVal(CAT->getSize()); 1421745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getConstantArrayType(ElemTy, ConstVal, ArrayType::Normal, 0); 1422745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1423745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (getAsIncompleteArrayType(ATypes[i])) { 1424745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Normal, 1425745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, SourceRange()); 1426745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1427745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else 1428745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian assert(false && "DependentArrayType is seen"); 1429745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1430745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return ElemTy; 1431745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1432745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1433745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getVariableArrayDecayedType - Returns a vla type where known sizes 1434745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// are replaced with [*] 1435745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getVariableArrayDecayedType(QualType Ty) { 1436745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (Ty->isPointerType()) { 1437745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = Ty->getAs<PointerType>()->getPointeeType(); 1438745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 1439745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 1440745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 1441745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) { 1442745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getUnknownSizeVariableArrayType(BaseType); 1443745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getPointerType(Ty); 1444745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1445745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1446745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1447745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return Ty; 1448745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1449745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1450745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1451bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1452bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 14537e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 14547e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1455c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 14567e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14577e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1458c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1459c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1460715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1461715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1462715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1463715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1464715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1465715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1466715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 14676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1468715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1469c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1470c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1471c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1472c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1473c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1474c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1475898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1476898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 147704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 14787e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 14797e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1480898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 14817e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14827e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1483cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1484cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1485898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1486898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 148704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1488cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1489789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1490cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 149132adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor QualType CanonicalEltTy = getCanonicalType(EltTy); 1492cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1493cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1494cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1495cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 149632adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType::Profile(ID, *this, CanonicalEltTy, ASM, 1497cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1498cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1499cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1500cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1501cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 150204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 150304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 150404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 150504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 15066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15076b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 15086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 150932adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor } else if (CanonicalEltTy == EltTy) { 151032adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor // This is a canonical type. Record it. 151132adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor New = new (*this, TypeAlignment) 151232adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType(*this, EltTy, QualType(), 151332adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor NumElts, ASM, EltTypeQuals, Brackets); 151432adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor 151532adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor if (NumElts) { 151632adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor#ifndef NDEBUG 151732adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType *CanonCheck 151832adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 151932adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 152032adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor (void)CanonCheck; 152132adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor#endif 152232adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 152304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 152432adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor } else { 152532adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor QualType Canon = getDependentSizedArrayType(CanonicalEltTy, NumElts, 152632adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor ASM, EltTypeQuals, 152732adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor SourceRange()); 152832adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor New = new (*this, TypeAlignment) 152932adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor DependentSizedArrayType(*this, EltTy, Canon, 153032adc8bd6f05d1e26cc221102e48609da2c446baDouglas Gregor NumElts, ASM, EltTypeQuals, Brackets); 153104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 15321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1533898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1534898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1535898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1536898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1537c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1538c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1539c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1540c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 15410be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1542c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1543c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 15441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1545c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1546c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1547c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1548c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1549c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1550c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1551c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1552467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1553f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 15542bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1555c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1556c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1557c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1558c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1559c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15602bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1561c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 15626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 15636b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1564c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1565c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1566c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1567c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1568fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1569fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 157073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 157173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 157282287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 1573e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::VectorKind VecKind) { 157433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BuiltinType *BaseType; 15751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 157633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BaseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 157733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner assert(BaseType != 0 && "getVectorType(): Expecting a built-in type"); 15781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 15805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1581e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 1582788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 15835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 15865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1590255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1591231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 15921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1595c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 15976b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1598e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 15995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 16005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1604213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 160573322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1606213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 160773322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 16081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1609f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1610213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 16111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 161273322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 161373322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1614788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1615e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 161673322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 161773322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 161873322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 161973322924127c873c13101b705dd823f5539ffa5fSteve Naroff 162073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 162173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 162273322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1623467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1624213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 16251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 162673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 162773322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1628c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 162973322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 16306b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 16316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 163273322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 163373322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 163473322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 163573322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 163673322924127c873c13101b705dd823f5539ffa5fSteve Naroff 16371eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 16389cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 16399cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 16402ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 16411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 16422ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 16431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16442ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 16452ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 16462ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 16472ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 16482ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 16492ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 16502ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 16516b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 16536b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 16542ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16552ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 16562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 16576b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16586b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 16596b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1660789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1661789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1662789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1663789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1664789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 16652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 16662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16672ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 16682ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 16696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16706b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 16712ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16722ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 16731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16749cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 16759cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 16769cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 16779cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 167872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 16795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1680264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1681264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1682264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 16845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1686264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 16871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 169072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 16921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1694ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 169504a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1696264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1697264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1698264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 16991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 170172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 170272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1703c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1707264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 17085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 170972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 17105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 17145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 1715e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCallQualType ASTContext::getFunctionType(QualType ResultTy, 1716e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const QualType *ArgArray, unsigned NumArgs, 1717e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const FunctionProtoType::ExtProtoInfo &EPI) { 17185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 17195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 17205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1721e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI); 17225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 172572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 17265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1727465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1728465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 1729e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall bool isCanonical = !EPI.HasExceptionSpec && ResultTy.isCanonical(); 17305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 173154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 17325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 17335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1734e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall const CallingConv CallConv = EPI.ExtInfo.getCC(); 1735e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 17365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1737465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 17385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 173904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 17405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 17415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 17425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 174354e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1744465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1745e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 1746e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall if (CanonicalEPI.HasExceptionSpec) { 1747e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasExceptionSpec = false; 1748e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.HasAnyExceptionSpec = false; 1749e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.NumExceptions = 0; 1750e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall } 1751e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 1752e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 1753e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 1754f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1755beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 1756e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 1757465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 17585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 175972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 176072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1761c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1763465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 176472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1765465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1766465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 1767e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 1768e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall NumArgs * sizeof(QualType) + 1769e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.NumExceptions * sizeof(QualType); 1770e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 1771e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, EPI); 17725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 177372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 17755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 17783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 17793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 17803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 17813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 17823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 17843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 17853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 17863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 17873cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 17883cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 17893cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 17903cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 17913cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 17923cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 17933cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 17943cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 17953cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 17963cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 179737ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 17983cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 17993cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 18003cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 18013cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 180231f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 180331f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 18043cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 18053cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 18063cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 18073cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18083cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18092ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 18102ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1811becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 18121e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1813becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 18141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 181519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 18162ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1817becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1818becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1819becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1820becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 182119c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1822becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1823becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1824becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1825400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 182619c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1827becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1828becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1829400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 183019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1831ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1832ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 18339fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1834becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 183549aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1836becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 183749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 18382ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 18392ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 18405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 18415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 18429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 18439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) { 18445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 18451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 18479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 18486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 18496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 18505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 18515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 18525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1854400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getRecordType(const RecordDecl *Decl) { 1855400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1856400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1857400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 1858400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1859400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1860400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1861400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Decl); 1862400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1863400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1864400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1865400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1866400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getEnumType(const EnumDecl *Decl) { 1867400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1868400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1869400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 1870400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1871400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1872400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1873400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Decl); 1874400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1875400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1876400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1877400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 187849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 187949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 188049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 188149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1882467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 188349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 188449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 188549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 188649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 188749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 188849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 188949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 189049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 189149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 189249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 189349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 189449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 189549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 189649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 189749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 189849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 189949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 190049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1901fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 19021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 190376e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 19041eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 190576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1906efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1907fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1908efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1909fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 19101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1911fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1912fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1913fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1914fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 19151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1916efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 191776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1918efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1919efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1920789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1921789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1922789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1923789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1924789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 192576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 19266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 19276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1928fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1929fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1930fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1931fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1932fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1933fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1934fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 19353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 19363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 19373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 19383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 19393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 19403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 19413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 19433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 19443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 19453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 19463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 19473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 19483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 19493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 19503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 19513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19531eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19547532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1955d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 195671d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1957d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1958d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1959833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1960833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1961833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1962833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1963833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 196431f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 196571d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 1966833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 1967833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 1968833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 1969833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 19707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 19717532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 197271d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1973b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 1974b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 19759763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 19769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 1977fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 19781275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 19791275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 19801275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 19811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 198240808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 19836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 19841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 1985ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 198631f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 1987828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 19881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 198955f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 19901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 199155f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 199255f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 19931eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19949763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 19959763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 19969763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs) { 19979763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 19989763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 19999763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 20009763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 20019763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 20029763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 20039763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20049763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 20059763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 20069763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 20079763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 20089763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 20099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 20119763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 20129763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 20139763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20149763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 20159763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 20169763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 20179763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 20189763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 20199763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 20209763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 20219763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 20229763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 20239763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 20249763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 20259763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20269763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 20279763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 20289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 20299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 20309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2032465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2033465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 2034465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 2035e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2036465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2037e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2038e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2039465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2040e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2041e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2042e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2043789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2044789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2045789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2046465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2047465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2048789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2049789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2050789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2051465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2052e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2053465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2054e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2055e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2056e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2057075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 2058075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraASTContext::getParenType(QualType InnerType) { 2059075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2060075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2061075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2062075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2063075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2064075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2065075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2066075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2067075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2068075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2069075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2070075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2071075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2072075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2073075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2074075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2075075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2076075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2077075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2078075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2079075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2080075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 20814a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 20824a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 20834a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 20844a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 2085d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2086d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2087d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2088d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 20894a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 20904a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 20914a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 20924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 20934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 20944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2095d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2096d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2097d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 20984a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2099d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2100d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 21014714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 21024714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2103d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2104d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2105d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21064a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2107d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 21084714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 21091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2110d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2111d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21121eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 211333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 211433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 21154a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 211633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 211733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 211833500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 211933500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 212033500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 212133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 212233500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 212333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 212433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 212533500955d731c73717af52088b7fc0e7a85681e7John McCall} 212633500955d731c73717af52088b7fc0e7a85681e7John McCall 212733500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 212833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 212933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 213033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 213133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 213233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 213333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 21341734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 21351734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2136789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 213733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 213833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2139789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2140789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 214133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 214233500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2143789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2144789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2145789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 214633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 214733500955d731c73717af52088b7fc0e7a85681e7John McCall 214833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 214933500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 21501734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 215133500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 215233500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 215333500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 215433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 215533500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 215633500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2157789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 21581734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 215933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 216033500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 216133500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 216233500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 216333500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 216433500955d731c73717af52088b7fc0e7a85681e7John McCall 216533500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 216633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 216733500955d731c73717af52088b7fc0e7a85681e7John McCall } 216833500955d731c73717af52088b7fc0e7a85681e7John McCall 216933500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 217033500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 217133500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2172ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 217333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 21741734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 217533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 21761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 21771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 21781734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 21797536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern) { 21807536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 21817536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType::Profile(ID, Pattern); 21827536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21837536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 21847536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 21857536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 21867536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 21877536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 21887536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 21897536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 21907536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21917536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 21927536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 21937536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern)); 21947536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21957536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 21967536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 21977536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 21987536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 21997536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor T = new (*this) PackExpansionType(Pattern, Canon); 22007536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 22017536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 22027536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 22037536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 22047536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 220588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 220688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 220788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 220888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 22092e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 221088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 221188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2212c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 221354e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 221454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 221554e14c4db764c0636160d26c5bbf491637c83a76John McCall 221654e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 221754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 221854e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 221954e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 222054e14c4db764c0636160d26c5bbf491637c83a76John McCall} 222154e14c4db764c0636160d26c5bbf491637c83a76John McCall 222254e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 222388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 222488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 22251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 222688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 222788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 222888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 222988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 223088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 223188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 223288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 223388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2239c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2240c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2241d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2242c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2243c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2245d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2246c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2248d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2249c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2250c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 225154e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2253c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2254c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 22550237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 22560237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 225754e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 225854e14c4db764c0636160d26c5bbf491637c83a76John McCall 225954e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2260c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 226254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2264c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 226554e14c4db764c0636160d26c5bbf491637c83a76John McCall } 226654e14c4db764c0636160d26c5bbf491637c83a76John McCall 226754e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 226954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 227054e14c4db764c0636160d26c5bbf491637c83a76John McCall 2271c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2272c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2273fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2275c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2278c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2280d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 228188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2282c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2283c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 22854b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 22871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22884b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2290c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 22914b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 22921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2293c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 229454e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2295c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2296c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 229754e14c4db764c0636160d26c5bbf491637c83a76John McCall 2298c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2299c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 230054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 230154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2302c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2303c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2304c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2305c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 230624fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 230724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 230924fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 231024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 231124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2312deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2313deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 2314deacbdca554298ccdf636f19c6094a8825ec6b34Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2315deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2316deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 231774c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2318deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2319deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2320deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2321deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2322deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2323deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2324c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2325c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 232672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 232772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 23289752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 23291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 23309752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 233172564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2332dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2333b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2334b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2335b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 23361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2337b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2338b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2339b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2340b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2341b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2342b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 23436b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2344b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2345b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2346b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2347b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 23486b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 23496b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2350b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2351b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2352b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2353b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2354dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 23556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2356dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 23579752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 23589752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2359d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2360d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 23619752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 23629752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 23639752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 23641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 23659752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2366d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2367f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 23686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 23699752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 23709752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2371d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2372d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 237360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 237460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 237560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2376a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2377a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 237960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 238060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 238160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 238260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 238360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 238460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 238560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 238660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 238760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 238860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 238960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 239060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 239160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 239260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 239360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 23941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 239560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 23961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 239860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 23997eb0a9eb0cde8444b97f9c5b713d9be7a6f1e607John McCall if (e->isLValue()) 240060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 24011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 240360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 240460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2405395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2406395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2407395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 24081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2409395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2410395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2411dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 24129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 24139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 24149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 24151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24169d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 24179d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 24189d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 24199d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 24209d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 24219d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 24226b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 24239d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 24249d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24259d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 24269d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 24276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 24289d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 24299d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 24309d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24319d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2432dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 24336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2434dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2435395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2436395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2437395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2438395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 24395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 24405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2441e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2442d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2443e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2444e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2445e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 24465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 24491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 24501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2451a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2452b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 24535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 245564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 245664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 245764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 245864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 245964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 246064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 246164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 246264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 246364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 246464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 246564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 246664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 246764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 246864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 24698b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 24708b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 24718b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2472b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 24738b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 24748b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2475e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2476e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2477e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2478e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 247954e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 248054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 248154e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 248254e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2483745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 248454e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 248554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 248654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 248754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 248854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 248954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 249054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 249154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 249254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 249354e14c4db764c0636160d26c5bbf491637c83a76John McCall 249454e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 249554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 249654e14c4db764c0636160d26c5bbf491637c83a76John McCall 249777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 249877c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 249977c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 250077c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 250177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 250277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 250350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 25040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 25050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 25060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 25070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 25080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 25090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 25120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 251350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2514c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 25150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 25160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 25170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2518c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2519c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 25200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 25211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2523c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2525c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 25261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2527c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 252850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 252950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 253050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 25310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2532c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 253350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 253450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 25350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 25361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2537898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 253850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 253950d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 25403fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 254150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 25420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 254387a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2544898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2545c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 254650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 25473fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 254850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 25490953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 255050d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2551c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2552c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 255328e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 255428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 25555535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 25569dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 25579dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 25585535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 255928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 256028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 256128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2562c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 256328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 256428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 256528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25669dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 256728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 256828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 256928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 257028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25719dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 257228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 257328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 257428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25759dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 25769dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 25773fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 25789dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 25799dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 25809dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 25819dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 25829dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 25839dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 25843fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr(), 258528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 258628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 258728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 258828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 25905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 25915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 25925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 25935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 25945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 25955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 25965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 25975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 25985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 25995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 26005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 26015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 26025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 26035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 26075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 26085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 26095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 26105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 26115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 26125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 26135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 26175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 26185a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 26195a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 26205a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 26215a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 26225a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26235a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26245a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26255a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26265a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 26275a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26285a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 26295a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 26305a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26312577743c5650c646fb705df01403707e94f2df04Abramo BagnaraDeclarationNameInfo ASTContext::getNameForTemplate(TemplateName Name, 26322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation NameLoc) { 263380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 26342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 26362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 263780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 26382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 263980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 26402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 26412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 264280ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 26432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 26442577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 26452577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 26462577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 26472577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 26482577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 264980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 265080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 265180ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 26520bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 26530bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 26542577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26552577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 265680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 265780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 265825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 26593e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 26603e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 26613e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 26623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 26633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 26643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 266597fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 26663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 266725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 26680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 26691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 267025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 267125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 267225a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 267325a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 267425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2675db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2676db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2677db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2678db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2679db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2680db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 26811eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 26821275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 26831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 26841275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 26851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 26881275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2691833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 26921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2693788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2694788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2695788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 26961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2697833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 26981275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 26991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2701833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 27021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 270487dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 270587dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 270687dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 2707910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 2708910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 27091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 27101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 27111275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 27121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 27131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 27141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2715910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 27161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 27171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 27181275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 27191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 27201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 27211275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 27221275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 27231275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2724d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2725d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 27261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2727d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2728d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2729d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2730d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2731d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 27321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2733d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2734d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2735d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2738d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2739d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2740d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2742d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2743d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 2744264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2745264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 2746264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 2747264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 2748264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 2749264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 2750264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 2751264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 2752264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentNameType *DNT = T->getAs<DependentNameType>()) { 2753264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 2754264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DNT->getQualifier()); 2755264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, Prefix, 2756264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 2757264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 2758264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2759643f84353b3b7bbf9b73bcbc7da0ef8a39a5ca99Douglas Gregor // Do the same thing as above, but with dependent-named specializations. 2760264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor if (const DependentTemplateSpecializationType *DTST 2761264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = T->getAs<DependentTemplateSpecializationType>()) { 2762264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor NestedNameSpecifier *Prefix 2763264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getCanonicalNestedNameSpecifier(DTST->getQualifier()); 2764264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor TemplateName Name 2765264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor = getDependentTemplateName(Prefix, DTST->getIdentifier()); 2766264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getTemplateSpecializationType(Name, 2767264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor DTST->getArgs(), DTST->getNumArgs()); 2768264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor T = getCanonicalType(T); 2769264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor } 2770264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 2771264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor return NestedNameSpecifier::Create(*this, 0, false, T.getTypePtr()); 2772d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2773d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2774d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2775d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2776d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2777d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2778d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2779d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2780d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2781d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2782d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2783c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2784c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2785c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2786a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2787c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2788c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2789c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2790c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 27911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2793c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 27940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2795c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 27961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2798c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2799c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 28001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2801c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2802c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 280350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 28040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 28050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 280649f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType(*this)); 28071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2808c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2809c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 28100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2811c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 28121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2813c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2814c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2815c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2816c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 28170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 28181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2819c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2820c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2821c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 28220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2823c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2824c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2825c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 28260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2827898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 28281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2829898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2830898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 28311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 28323fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 2833898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 28340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 28357e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 28361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2837c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 28387e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 28393fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 2840c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 28410953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 28427e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 284377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 284477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2845e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2846e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2847e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2848e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2849e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2850e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2851e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2852c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2853c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2854c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2855c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2856c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2857c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 28581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2859c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2860e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2861e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 28620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2863e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2864e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 28655e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 28660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 28670237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 28680237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 286949f4e1cbd839da27ff4814b4ea6d85a79f786cbdJohn McCall return Qs.apply(*this, QT); 28705e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 28715e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2872fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2873fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 28741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2875fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2876fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 28771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28786183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 28796183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 28806183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 28810de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 28821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 28830de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 28840de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 28850de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 28860de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 28870de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 28880de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 28890de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 28900de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 28910de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 28925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 28935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2894a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2895183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 28965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2897a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2898183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2899183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2900a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 29015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 29025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 29035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 29045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 29081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2909716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2910716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 29111361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 29121361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 29131361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 29141361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 29151361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2916716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2917f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2918f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2919f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2920f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2921f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 29221361b11066239ea15764a2a844405352d87296b3Chris Lattner 29231361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 29241361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 29251361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 29261361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 29271361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 29281361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 29295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 29305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 29327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 29337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 29347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 29351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2936a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2937a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2938a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 29391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2940a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2941fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2942a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2943fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2944fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 29455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2947f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2948f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2949f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2950f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2951467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2952f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2953842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2954f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 29553f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (T->isSpecificBuiltinType(BuiltinType::WChar_S) || 29563f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner T->isSpecificBuiltinType(BuiltinType::WChar_U)) 2957a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2958a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2959f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2960f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2961f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2962f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2963f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2964f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2965f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 29667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 29677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2968f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 29697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 29707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 29717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 29727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2973f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 29747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 29757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2976f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 29777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 29787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2979f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 29807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 29817cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2982f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 29837cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 29847cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2985f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 29862df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 29872df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 29882df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2989f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2990f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2991f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 299204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 299304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 299404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 299504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 299604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 299704e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2998ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2999ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3000ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 300104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 300204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 300304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 300404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 300504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 300604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 300704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 300804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 300904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 301004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 301104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 301204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 301304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 301404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 301504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 301604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 301704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 301804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 301904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 302004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 302104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 302204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 302304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 302404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 302504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3026a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3027a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3028a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 3029a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 3030a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3031a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3032842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3033842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 3034a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3035a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3036a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3037a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3038a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3039a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3040a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3041a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 30421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 30437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 30441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 30457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 3046f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3047f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 30487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 30491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3050f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3051f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 30521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 30547cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 30551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 30577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 30587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 30597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 30627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 30637cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 30647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 30657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30707cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 30737cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 30747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 30757cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30777cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30787cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30807cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 308271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 308379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 308479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 308579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 308679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 308779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 308879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 308979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 309079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 309179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 30921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 309371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 309471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 30951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3096465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 309779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 30985cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 309979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3100f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 31011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 310271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 31030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3104f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3105f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 310671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 31070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 310871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 31091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 31101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 311144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 311244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 31131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 311444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3115a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 31161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 31174afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 31182888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 311917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 312044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 312144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3122838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 312371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 31241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 312571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 31268467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3127b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3128319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 31296217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3130319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3131319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3132319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3133319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 31342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 31352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 31362bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 31372bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3138465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 31392bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 31402bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 31412bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31422bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 31432bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31442bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 31452bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 31462bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 31472bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 31482bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 31492bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 31502bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31512bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 31522bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 31532bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 31542bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 31552bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 31562bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 31572bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 31582888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 31592bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 31602bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31612bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31622bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 31632bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31642bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31652bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 31662bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31672bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31682bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 31692bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 31702bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 31712bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 31722bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31732bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31741eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3175bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 317644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3177465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 317879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 31795cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 31801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3181bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3182bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3183de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3184bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3185bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3186bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3187bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 31881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 318944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 31901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 31911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 31921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3193a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 31941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 31954afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 31962888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 319717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 319844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 31991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3200838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3201bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 32021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3203bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3204bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3205bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3206adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3207adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3208adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3209adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3210adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3211adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3212465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 321379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 32145cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3215adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3216adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3217adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3218adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3219adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3220adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3221adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3222adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3223083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3224adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3225adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3226adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3227adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3228adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3229adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3230adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3231a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3232adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3233adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 32342888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3235adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3236adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3237adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3238838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3239adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3240adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3241adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3242adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3243adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3244adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3245adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3246adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3247adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3248adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3249adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3250adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3251083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3252083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3253083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3254083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3255083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3256083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3257465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 325879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 32595cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3260083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3261083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3262083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3263083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3264083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3265083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3266083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3267083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3268083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3269083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3270083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3271083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3272083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3273083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3274083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3275083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3276083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3277083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3278083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3279083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3280a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3281083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3282083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 32832888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3284083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3285083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3286083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3287838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3288083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3289083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3290083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3291083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3292083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3293083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3294083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3295083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3296083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3297083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3298083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3299083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3300af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3301af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3302af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3303af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3304af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3305af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3306af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3307e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (getLangOptions().CPlusPlus) { 3308e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 3309e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 3310e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian return RD->hasConstCopyConstructor(*this); 3311e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 3312e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3313e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 3314af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3315af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3316af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 33174087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarQualType ASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) { 3318af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3319ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3320af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3321ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3322ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3323a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3324a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3325af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3326ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3327ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3328af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3329af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3330af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3331f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3332f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3333f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3334af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3335465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 333679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3337af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3338af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3339af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3340af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3341af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3342af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3343af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3344af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3345af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3346af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3347af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3348af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3349af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 33504087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3351af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3352af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3353af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3354af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3355af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3356af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3357af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3358af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3359af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3360af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3361af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3362af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3363af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3364af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3365a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3366af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 33672888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3368af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3369af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3370af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3371838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3372af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3373af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3374ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3375ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3376ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3377ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3378083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3379ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3380ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3381adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3382f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3383f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3384f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3385adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3386465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 338779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 33885cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3389adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3390adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3391adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3392adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3393adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3394083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3395083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3396083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3397adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3398adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3399adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3400adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3401adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3402adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3403adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3404adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3405adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3406adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3407adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3408ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3409adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3410a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3411ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 34122888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3413ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3414ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3415ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3416ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3417ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3418ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3419ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3420ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3421ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3422ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3423ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3424ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3425ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3426ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 34274087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FieldType = BuildByRefType(D->getName(), FieldType); 3428ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3429ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3430ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3431ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3432ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3433ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3434ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3435ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3436ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3437ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3438ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 34392888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3440adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3441adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3442adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3443838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3444ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3445ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3446adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3447adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3448319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 34496217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3450319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3451319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3452319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3453319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3454e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3455e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 34562d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3457e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3458bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3459bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 34601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 346285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 346385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3464a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 346533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3466aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3467199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 34681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 346933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 34702ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3471199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 347233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 347333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3474199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3475aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3476199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3477199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3478199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3479199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3480199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 348133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 348233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 34836f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 34845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 34855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 34865e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 34875e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 34885e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 34895e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 34905e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3491c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 34925e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 34935e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 34945e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 34955e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3496199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3497199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 34986f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 34995e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 35005e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3501aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3502199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 35035e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 35045e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 35055e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3506199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 35075e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 35085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 35095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 35105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 35115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 35125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 35135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 35145e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 35155e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 35165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 35175e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 35185e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 35195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 35205389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 35215389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 35225389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 35235389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 35245389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 35255389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 35265389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 35275389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 35285389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 35295389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 35305389f48b24937ad7b4093307128b3cbf25235654David Chisnall 35315389f48b24937ad7b4093307128b3cbf25235654David Chisnallvoid ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 35325389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 35335389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 35345389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 35355389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 35365389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 35375389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 35385389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 35395389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 35405389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 35415389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 35425389f48b24937ad7b4093307128b3cbf25235654David Chisnall "getObjCEncodingForMethodDecl - Incomplete param type"); 35435389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 35445389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 35455389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 35465389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 35475389f48b24937ad7b4093307128b3cbf25235654David Chisnall 35485389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 35495389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 35505389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 35515389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 35525389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 35535389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 35545389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 35555389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 35565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 35575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 35585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 35595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 35605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 35615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3562199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3563aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 35645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 35655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 35665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3567a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 356833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 35691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3570e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3571c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3572ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3573a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 357433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 35750d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 357633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 357733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 357833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 357933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3580199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 358133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 358233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3583199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 358489951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 35857732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 358689951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3587aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3588199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3589199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 359033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 359133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3592199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 359333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3594199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 35951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 359633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 359733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 359889951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 35997732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 360089951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 36011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 36024306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3603ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3604ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3605ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3606bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3607ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3608ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3609ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3610ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 361133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 36124306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 36130d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3614199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3615aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 361633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 361733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 361833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3619c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 362083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3621c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3622c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 36231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 36241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 36251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 36261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 36271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 362883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 362983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 363083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 363183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 363283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 363383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 363483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 363583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 363683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 363783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 363883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 363983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 364083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 364183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 364283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 364383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 36441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3645c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3646e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3647c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3648c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3649c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3650c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3651c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3652c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 36531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3654c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3655c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 365617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3657653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3658c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3659c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3660c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3661c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3662c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3663c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3664c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3665c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3666c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3667c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 366861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3669c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 367017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3671653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3672c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3673c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3674c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3675c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3676c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3677c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3678c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3679c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 36801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3681c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3682c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3683c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3684c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3685c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3686c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3687c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3688090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3689090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 36901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3691090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3692090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3693c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3694c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3695c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3696c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3697c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3698c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3699c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 37001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3701c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3702c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3703c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3704c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3705c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3706c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3707c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3708c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3709090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3710090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 37111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3712c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3713c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3714077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3715c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3716c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3717c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3718c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3719077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3720c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3721c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3722c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3723c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3724c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 372539f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3726c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3727c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3728c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3729c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3730c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3731a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 37321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 37331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3734a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3735a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3736a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 37378e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3738183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3739c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3740c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3741a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 37421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3743c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3744c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3745a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3746a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3747a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3748a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3749a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 37507d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3751153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 375282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 375382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 375482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 375582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 37561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 37575b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 375882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 375982a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 376064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 376164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 376264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 376364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 376464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 376564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 376664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 376764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 376864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 376964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 377064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 377164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 377264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 377364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 377464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 377564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 377664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 37773f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 37783f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 377964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 378064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 378164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 378264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 378364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 378464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 378564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 378664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 37873a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 378864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 378964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 379064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 37911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 379264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 37938b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 37948b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 37958b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 37968b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 379764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 379864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 379964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 380064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 380164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 380264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 380364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 380464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 380564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 380664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 380764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 380864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 380964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 381064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 381164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 381264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 381364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 381464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 381564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 381664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 381764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 381864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 381964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 382064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 382164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 382264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 382364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 382464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 382564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 3826c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall if (T->isEnumeralType()) 3827c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += 'i'; 3828c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 3829c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 383064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 383164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 38328b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 38338b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 38348b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 383501eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 383682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 383782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 383882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3839153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3840090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 38416ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 384264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3843ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 384464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 384564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3846ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3847ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3849183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3850c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 38511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3852c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3853ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3854ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 385560bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3856aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3857aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 38586217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 38598d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 38608d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 38618d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 38628d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3863aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3864aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3865aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3866aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3867aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3868a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3869a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3870a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3871a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 38721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 38738e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3874a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3875a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3876a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3877a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 38789fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3879a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 38806217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 38816217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3882a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3883a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3884a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3885a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3886a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3887a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3888a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3889a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3890a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 38910237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 38920237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3893a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 38941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 389685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 389785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3898e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 389985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 390085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 390185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 39026217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 39039533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 39049533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 39059533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 39069533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 39079533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 39089533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 39099533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 39109533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 39119533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 39129533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 39139533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 391485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 391585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3916a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3917a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 39181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 391943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3920ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3921ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3922aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3923ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3924ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3925ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3926559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3927559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3928559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3929559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 39301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3931559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3932559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3933559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 39341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3935559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3936559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3937559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3938559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3939559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3940559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3941559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 39421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3944559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3945559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3946559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3947ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3948ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3950183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3951c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3952ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3953ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 39556217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 395682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3957d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3958502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3959502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3960502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 39616fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 39626fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 39636fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 39646fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 39656fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 3966910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 3967910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 39686fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 39696fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 39706fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 39716fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3972502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3973502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3974502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 39750d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 39767d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 397717945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 397817945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 397944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 398043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3981d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 398244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3983d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3984d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 39851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3986d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 398743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 39881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 398943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3990d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3991a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3992a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 39931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 399443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3995d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 39967d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 39976de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3998d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3999ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4000ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4001e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4002ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 40038b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 400464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 40058b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 40068b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 4007ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4008ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4010ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 401121a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4012ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4013ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4015c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4016c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4017c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4018c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 40190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 402043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 40210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 402243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 402343822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 402443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 402543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 40262c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 40272c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 40282c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 40292c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 40302c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 40312c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 403243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 40332c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 403443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 403543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4036ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 403743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 40381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4039183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 404014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 404114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 404214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4043ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 404527d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 404627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 404727d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 404827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 404914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 405014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4051ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4053ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 40541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 405514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 405614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 405714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 405814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 405914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 406014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 406167ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 406267ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 406314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 406414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 406514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 406614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 406714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 406814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 406914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4070ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4072ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4073ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4074ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4075ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 40761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4077ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4078ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 40791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 40801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4081ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 408214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 408314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4084ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4085ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 408627d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4087ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 408827d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 408967ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 409067ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4091ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4092ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4093ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 40941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4095ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4096ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4097ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4098ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4100532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4101532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4102532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4103532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4104e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4105e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4106e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4107e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4108e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4109e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4110e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4111e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4112ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 411385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 411485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 41151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4116ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4117ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4118ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4119ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4120ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4121ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4122ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4123ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4124ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4125ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4126ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4127ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4128ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4129ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4130ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4131ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4132b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 41331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4134b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4135b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4136b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4137ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4138de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 41397e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 41407e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4141ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 414213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4143b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4144b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4145ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4146a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4147390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4148390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4149ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4150de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 41518baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 41528baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4153a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 41541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 41552198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 41561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4157a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 41582198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 41592198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 41600bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 41610bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 4162eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 4163eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 41640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 41650bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 41667532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41670bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 41680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 41690bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 41700bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 41710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4172eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 41730bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 41740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 41750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 41760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 41770bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 41787532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 41797532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 41817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 41827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4183d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4184d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 41851eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 4186d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 41870bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 4188789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4189d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4190d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 41911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4192d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4193d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 41940bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4195d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4196d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4197d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4198d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 41991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4200d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4201d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4202d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 42037532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 42047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 42051eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 42067532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 42071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 42083b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 42097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 42107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 42117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 42127532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 42137532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 42147532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 42157532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 42167532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 42177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 42187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 42197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 42207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 42217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 42227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 42237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 42247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 42257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4226789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4227789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4228789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4229789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 42307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 42317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 42327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 42337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 42347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 42357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4236ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4237ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4238ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4239ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4240ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4241ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4242ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4243ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4244ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4245ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4246ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4247ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4248789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4249789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4250ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4251ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4252ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4253ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4254ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4255ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4256ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4257ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4258ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4259ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4260789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4261789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4262789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4263789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4264789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4265ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4266ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4267ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4268ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4269ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4270ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4271b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4272d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4273d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4274e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4275b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4276e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4277b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4278b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4279b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4280b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4281b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4282b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4283b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4284b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4285b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4286b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4287b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4288e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4289b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4290b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4291b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4292b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4293b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4294b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4295fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4296fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4297fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4298f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4299fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4300fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4301fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4302fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 430340b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4304fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4305fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 43061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4307fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4308fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 43094fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 43104fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 43114fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 43120953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 43130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 43144fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 43154fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4316b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 43174fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 43181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4319a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 43200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 432175212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 43220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4323a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 43246217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4325a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4326c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4327c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4328f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 43290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 43304fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4331b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 43324fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 43334fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 43346ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 43356ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 43366ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4337770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 43381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 43396ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 43406ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 43416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4342467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 43436ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 434461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 43456ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 43466ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4347255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4348255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4349255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4350255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4351255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4352255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4353255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4354255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4355f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 4356f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 4357255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4358255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4359f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 4360255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4361f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 4362f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 4363f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 4364f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 4365255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4366255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4367255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4368255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4369255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 43704084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 43714084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 43724084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 43734084c306635b70f37029dca938444e6013f08684Steve Naroff 43744084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 43754084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 43760fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 43770fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 43784084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 437914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 43804084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 43814084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 43824084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 43834084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43844084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43854084c306635b70f37029dca938444e6013f08684Steve Naroff} 438614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 43874084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 43884084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 43894084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 43904084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 43914084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 43924084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 43934084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43944084c306635b70f37029dca938444e6013f08684Steve Naroff} 43954084c306635b70f37029dca938444e6013f08684Steve Naroff 4396a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4397a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4398a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4399a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4400a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4401a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4402a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4403a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4404a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4405a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4406a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4407a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4408a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4409a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4410a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4411a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4412a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4413a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4414a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4415a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4416a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4417a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4418a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4419a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4420a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4421a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 44224084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 44234084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 44244084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 44254084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 44264084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 44271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 44284084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 44294084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 44314084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 44324084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44334084c306635b70f37029dca938444e6013f08684Steve Naroff 44344084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4435183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 44361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44374084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 44381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44394084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 44401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 44414084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 44424084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 44434084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 44444084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 44454084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 44464084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44474084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 44480fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 44494084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44504084c306635b70f37029dca938444e6013f08684Steve Naroff } 44514084c306635b70f37029dca938444e6013f08684Steve Naroff } 44524084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 44534084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44544084c306635b70f37029dca938444e6013f08684Steve Naroff } 44551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 44564084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 44574084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 44584084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 44594084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4460de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4461de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4462de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4463de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 44644084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 44654084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 44664084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 44674084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 44684084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 44694084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44708f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 44718f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4472de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 44744084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 44754084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 44764084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 44774084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 44784084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 44794084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44804084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 44810fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 44824084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44834084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44844084c306635b70f37029dca938444e6013f08684Steve Naroff } 44854084c306635b70f37029dca938444e6013f08684Steve Naroff } 44864084c306635b70f37029dca938444e6013f08684Steve Naroff } 44874084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4488de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4489de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4491de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4492de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44944084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 44954084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 44964084c306635b70f37029dca938444e6013f08684Steve Naroff 44971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 44984084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 4499de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 45004084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 45014084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 45024084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 45034084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 45044084c306635b70f37029dca938444e6013f08684Steve Naroff 4505de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 45064084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 45074084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 4508de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 4509de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 45104084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 45114084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 45124084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 45134084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 45144084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 45154084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 45164084c306635b70f37029dca938444e6013f08684Steve Naroff break; 45174084c306635b70f37029dca938444e6013f08684Steve Naroff } 45184084c306635b70f37029dca938444e6013f08684Steve Naroff } 45194084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 45204084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 45214084c306635b70f37029dca938444e6013f08684Steve Naroff } 4522de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 4523de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 4524de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 4525de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 4526de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4527de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 4528de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 4529de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 4530de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 4531de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 4532de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4533de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4534de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 4535de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 4536de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 4537de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 4538de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 4539de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 4540de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4541de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 4542de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 4543de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 4544de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 4545de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4546de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4547de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 4548de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 4549de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 4550de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 45514084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 45524084c306635b70f37029dca938444e6013f08684Steve Naroff } 45534084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 45544084c306635b70f37029dca938444e6013f08684Steve Naroff} 45554084c306635b70f37029dca938444e6013f08684Steve Naroff 45564084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 45574084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 45584084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 45594084c306635b70f37029dca938444e6013f08684Steve Naroff/// 45604084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 45614084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4562c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4563c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4564c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 45654084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4566c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4567c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 45684084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 45694084c306635b70f37029dca938444e6013f08684Steve Naroff 4570c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 45711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 45721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 45734084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4574a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4575a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4576a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4577a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4578a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4579c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4580c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 45814084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 45821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 45834084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 458414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 458514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4586132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4587132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4588132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4589132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4590132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4591132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4592132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4593132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4594a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4595132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4596132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4597132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4598132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4599132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4600132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4601a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4602132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4603132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4604132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4605132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4606132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4607132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4608132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4609132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4610132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4611132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4612132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4613132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4614132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4615132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4616132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4617132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4618132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4619132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4620132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4621e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4622e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4623e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4624e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4625e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4626e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4627e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4628e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4629e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4630e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4631c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4632c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4633c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4634c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4635e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4636e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4637e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4638e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4639e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4640e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4641432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4642c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4643c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4644e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4645e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4646e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4647e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4648e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4649e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4650cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4651cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4652e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4653e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4654e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4655e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4656e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4657432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4658c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4659c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4660432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4661432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4662432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4663432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4664432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4665e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4666e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4667e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4668db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4669db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4670db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4671db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4672db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4673c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4674c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4675c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4676c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4677c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4678c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4679c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4680db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4681db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4682c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4683c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4684e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4685c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4686c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4687c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4688c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4689c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4690c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4691c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4692c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4693e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4694db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4695db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4696db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4697db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4698db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4699c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4700c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4701c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4702c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4703c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 47046ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 47056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 47076ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 47081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47096ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 47106ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4711c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 47126ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 47131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47146ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 47156ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4716c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 47176ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 47181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4719c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4720c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 472191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 472291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 472391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 472491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 472591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4726c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4727c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 47288f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 47298f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 473091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 47318f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 47328f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 473391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 473491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 473591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 473691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 473791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 473891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 473991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 47406ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 47416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4742389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4743389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4744183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4745183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 47461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 474714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4748389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 474914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 475014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 475114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4752389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4753389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4754569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4755569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4756569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4757569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4758569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4759569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 47601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4761ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 47621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4763ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4764447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4765447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 47660e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 47670e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 47680e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4769447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 47703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 47713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4772132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4773132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4774132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4775132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 47764846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 47774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 47784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 47794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 47804846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 47814846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 47824846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 47834846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 47844846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 47854846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 47864846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 4787f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 47884846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 47894846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 47904846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 47914846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 47924846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 47934846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 47944846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47954846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 47964846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 47974846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47984846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 47994846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 48004846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 48014846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 48024846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 48034846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 48044846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 48054846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 48064846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 48074846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 48084846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 48094846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 48104846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 48114846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 48124846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 48134846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 48144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 48154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 48164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 48174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 48184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 4819132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4820447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4821447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 4822183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4823183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 482472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 482572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 48263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 48273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 48283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4830132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4831132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4832447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true, 4833447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4834132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 48358cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 48368cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 48373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 4838447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4839447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4840447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 4841447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4842447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 4843447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 4844447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4845447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 4846447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 4847447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4848447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4849447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 485061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 4851447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 485261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 48538cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48546a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 48556a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 48566a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 48576a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4858264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4859264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 48608cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48618cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 48628cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 48638cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 48648cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48658cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 48668cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 48678cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 48688cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 48698cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // It's noreturn if either type is. 48708cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 48716a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 48728cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != lbaseInfo.getNoReturn()) 48736a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 48748cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (NoReturn != rbaseInfo.getNoReturn()) 48756a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 48761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 48778cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall FunctionType::ExtInfo einfo(NoReturn, 48788cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getRegParm(), 48798cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall lbaseInfo.getCC()); 4880e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 48813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4882465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4883465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 48843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 48853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 48863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 48883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 48893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 48923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 48933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48957fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 48967fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 48977fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 48983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 48993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 49003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 49013d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 49023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 49034846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 49044846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 49054846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 49063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 4907447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4908447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4909447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 4910447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 49113d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 4912447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4913447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 4914447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 4915447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4916447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 491761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 491861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 491961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 492061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 49213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 49233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4924e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 4925e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 4926e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 4927e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 49283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 49313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 49323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 493372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 49343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4935465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 49363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 49373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 49383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 49393d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 49403d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 49413d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 49423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 49433d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 49443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4945b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4946b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4947b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4948b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4949b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4950b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 49513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 49523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 49533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 49573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4958e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 4959e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 4960e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 49613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 4962e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 49633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 49643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 49663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 49678cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 49683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 49693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4970132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4971447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4972447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 497343d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 497443d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 497543d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 49767c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 49777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 49780e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 49790e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 4980447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4981447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4982447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 4983447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 4984447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 49850e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 49863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 49873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 49883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4989f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 49903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 49913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 49923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4994a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4995a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 49960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 49970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 49980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 49990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 50000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 50010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 50020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 50030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 50040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 50050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 50060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 50070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 50080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 50090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 50100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 50110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 50120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 50130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 50140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 50150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 50160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 50170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 50180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 50190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 50200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 50213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 50220953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 50230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 50240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 50253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5026852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 5027852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 5028f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 50291adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 50301adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 50311adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 50321adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 50334c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 50344c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 5035a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 5036a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 5037a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 5038a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 50391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5040c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 5041c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 5042c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 5043c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5044213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 5045213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 5046213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 50471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 50484e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 50494e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 50501adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 50511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 5052842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 5053842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 5054183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 50553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 50563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 5057bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 5058183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 50593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 50603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 5061bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 50621adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 50633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 5064ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 50653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50664a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 50671adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 506872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 506972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 5070ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 507172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 507272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 507372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 507472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 507572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 507672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 50777c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 50787c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 507972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 508072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 508172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 508272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 5083c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 508472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 508572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 508672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 508772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 508872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 508972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 509072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 50911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 50923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 50933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 50946217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 50956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 5096447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5097447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5098447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5099447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5100447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 5101447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 51023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 510307d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 510461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 510507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 510661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 51073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 51083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5109c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5110c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5111c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 51126217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 51136217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5114447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5115447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5116447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5117447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5118447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5119447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5120c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5121c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5122c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5123c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5124c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5125c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5126c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 51271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 51283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 51293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 51303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 51313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 51323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 51343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 51353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5136447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5137447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5138447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5139447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5140447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5141447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 51423d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 514361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 514461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 514561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 514661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 51473bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 51483bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 51493bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 51503bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 51513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 51523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 515361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 515461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 515561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 515661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 51573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 51583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 51593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 51603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 51613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 51623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 51643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 51653d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 51663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 51673d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 51683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51693bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 51703bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 51717e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 51727e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 51733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 51741adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5175447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 517672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 517772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 51783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 51791adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 51803cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 51813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 518264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 518364cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 518464cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 51853cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 51865a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 51871c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 51881c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 51893d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 519061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5191c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5192c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 51935a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 51945a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5195c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5197c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 51985fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 51995fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 52003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 520161490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 520214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5203132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5204132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5205132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5206132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5207132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5208132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5209132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5210183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5211183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 521214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 521314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5214bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5215132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5216ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 521772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 521872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5219ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 52207192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 52212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 52222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 52232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 52242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 52252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 52262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 52272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 52282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 52292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 52302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 52312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 52322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 52342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 52352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 52362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 52372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 52382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 52392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 52402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 52422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 52432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 52442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 52452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 5246e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 5247e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 52482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 52492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 5250e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 52512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 52522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 52582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 52592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 52602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 52612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 52622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 52632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 52642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 52672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 52682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 52692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 52702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 52712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 52722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 52732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 52742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 52762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 52792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 52802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 52812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 52822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 52862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 52872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 52882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 52892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 52902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 52912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 52922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 52932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 52942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 52952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 52962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 52975426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5298ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5299ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 530088054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 5301ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 5302842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 530329a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 53041274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 53051274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5306f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5307ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5308ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5309ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5310ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5311f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 53126a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 53136a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 53146a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 53156a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5316e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 53176a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 53186a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 53196a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5320ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 53216a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 53226a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 53236a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5324ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5325ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5326ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5327ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5328ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5329ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5330ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5331ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5332ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5333ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5334ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5335ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 53362df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 53372df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5338ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5339ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5340ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5341ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5342ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5343ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 53442cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 53452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 53462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 534786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 53487b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 53497b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 535086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 535186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 535286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 535386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 535486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 535586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 535633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 535733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 535833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 535933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 536014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 536114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 536214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 53631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 536486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 536514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 536633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 536786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 536886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 536986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 537014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5371393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 537233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 537386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 537486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 537586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 53761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5377393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 537814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5379393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 538086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 538186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 538286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 538386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 538486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 538586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 538686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 538786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 538886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 538986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 539086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 539186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 539286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 539386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 539486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 539586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 539686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 539786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 53981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 539986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 540086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 540186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 540286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 540386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 540486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 540586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 540686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 540786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 540886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 540986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 541086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 541186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 541286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 541386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 541486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 541586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 541686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 541786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 541886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 541986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 542086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 542186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 542286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 542386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 542486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 542586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 542686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 542786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 542886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 542986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 543086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 543186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 543286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 543386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 543486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 543586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 543686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 543786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 543886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 543986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 544086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 544186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 544286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 544386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 544486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 544586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 544686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 544786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 544886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 544986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 545086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 545186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 545286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 545386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 545486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 545586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 545686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 5457ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 5458ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 5459ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 5460ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 5461ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 5462ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 546386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 546486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 546586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 546686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 546786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 546886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 546986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 547086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 547186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 547286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 547386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 547486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 547586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 547686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 547786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 547814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 547986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 548014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 548186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 548286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 548386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 548486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 548586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 548686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 548786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 54881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 548914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 549014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 549114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 549233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 549333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5494788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5495e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 549686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 549786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5498d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 549914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 550014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 550114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5502d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5503d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5504d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 55059a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5506c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5507c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5508f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 550986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 551086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5511fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 55129a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5513f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5514782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5515f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5516f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5517f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5518fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5519f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5520fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5521fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5522fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5523782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 55241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 552533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 552633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 552786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5528187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 552933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 553033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 553133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 553233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 553333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 553433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 553533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 553633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 553733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 553833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 553933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 554033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 554133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 554233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 554333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 554433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 554533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 554633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 554733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 554833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 554933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 555033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 555133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 555233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 555386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 555486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5555393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 555614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5557393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 55581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 555986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 556086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 556186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 556286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 556333daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 556414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 556514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner unsigned *IntegerConstantArgs) { 556633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 55671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 556886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 55691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 557014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 557186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 557214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 557314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 557486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 557586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 557614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 557714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 557814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 557986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 558014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 558186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 558286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 558386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 558414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 558514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 558614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 558714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 558814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 558986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 559086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 559186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 55921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 559386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 559486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 559586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 559686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 559786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 559886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 559900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 560000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 560100ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 560200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 560300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 560400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 560500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 560600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 5607ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5608e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 560900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 561000ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 5611e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 5612e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 561386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5614a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 561590e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 561690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 561790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 561890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 561990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 562090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis FD->getType()->getLinkage() == UniqueExternalLinkage) 562190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 562290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 562490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 562590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 562690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 562790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 562890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 562990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 563090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 563190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 563290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 563390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 563490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 563590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 563790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 563890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 563990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 564090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 564190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 564290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 564390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 564490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 564590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 564790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 564890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 565090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 565190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 565290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 565390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 565490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 565690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 565790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 565890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 566090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 566190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 566290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 566390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 566490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 566590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 566690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 566790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 566890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 567090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 567190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 567290e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 567390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 567490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 567590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 567690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 567790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 567890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 567990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 568090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 568190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 568290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 568390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 568490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 568590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 568690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 568790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 568890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 568990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 569090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 569290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 569390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 569490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 569590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 569690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 569890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 569990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 570090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 570290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 570390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 570590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 570690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 570790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 570890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 571090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 571190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 57124ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 571390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 571490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 571590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 571690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 571790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 571890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5719ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5720ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5721ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5722ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 572390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 572490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 572590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 572690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 572790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 572890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 572990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 573090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 573190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 573290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 573390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 573490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 573590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 573690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 573790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 573890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 573990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 574090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 574190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 574290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 574390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 574490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 574590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 574690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 574790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 574890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 574990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 575090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 575190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 575290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 575390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 575490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 575590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 575690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 575790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 575890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 575990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5760ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5761ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5762ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 576390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 576490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 576590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 576690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 576790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 5768bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 5769bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 577090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 577190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 577290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 577390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 577490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 577590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 577690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 577790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 577890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 577990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 578090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 578190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 5782071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 5783ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 5784ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 5785ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 5786ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 5787ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 5788dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlssonbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) { 5789dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 5790dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 5791dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 5792dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 5793071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 5794