ASTContext.cpp revision 4846675e0e42d1802b0ffd8972a45e72aeb3758d
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()); 543e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // FIXME: Parameter pack 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); 693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // FIXME: Parameter pack 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()), 1123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 0)); 1133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else 1143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 1153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 1163e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 1193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 1203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 1213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getPosition(), 0, 1223e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 1233e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 1243e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 1253e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 1263e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 1273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 1293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 1303e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 1313e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 1323e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1333e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 1343e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 1353e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 1363e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 1373e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 1383e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 139071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 140ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 141ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 14220cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 143ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 144ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 145ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 146071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 14720cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 14820cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 14920cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 150ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return 0; 151071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 152071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 15361710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerASTContext::ASTContext(const LangOptions& LOpts, SourceManager &SM, 154444be7366d0a1e172c0290a1ea54c1cb16b5947cDaniel Dunbar const TargetInfo &t, 155e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 1561b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 15763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor unsigned size_reserve) : 158ef99001908e799c388f1363b1e607dad5f5b57d3John McCall TemplateSpecializationTypes(this_()), 159ef99001908e799c388f1363b1e607dad5f5b57d3John McCall DependentTemplateSpecializationTypes(this_()), 160006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis GlobalNestedNameSpecifier(0), IsInt128Installed(false), 161006113841bdae1edb77aef75ba1ffdf2e55a3094Argyrios Kyrtzidis CFConstantStringTypeDecl(0), NSConstantStringTypeDecl(0), 162782fa308a765aeac2acb39c4e697c937ec21185bMike Stump ObjCFastEnumerationStateTypeDecl(0), FILEDecl(0), jmp_bufDecl(0), 163083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump sigjmp_bufDecl(0), BlockDescriptorType(0), BlockDescriptorExtendedType(0), 164bf1a028246d884a540aeafa38e89be59a269b072John McCall NullTypeSourceInfo(QualType()), 165071cc7deffad608165b1ddd5263e8bf181861520Charles Davis SourceMgr(SM), LangOpts(LOpts), ABI(createCXXABI(t)), Target(t), 1662e22253e03e175144aeb9d13350a12fd83f858beDouglas Gregor Idents(idents), Selectors(sels), 167ac9590effa90406767a544005ed1de52e258306bTed Kremenek BuiltinInfo(builtins), 168ac9590effa90406767a544005ed1de52e258306bTed Kremenek DeclarationNames(*this), 169ac9590effa90406767a544005ed1de52e258306bTed Kremenek ExternalSource(0), PrintingPolicy(LOpts), 170f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek LastSDM(0, 0), 171f057bf78a69d37ee511430c88852a85eea19ad15Ted Kremenek UniqueBlockByRefTypeID(0), UniqueBlockParmTypeID(0) { 1720f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCIdRedefinitionType = QualType(); 1730f436560640a1cff5b6d96f80f540770f139453fDavid Chisnall ObjCClassRedefinitionType = QualType(); 17463fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor ObjCSelRedefinitionType = QualType(); 1751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 176e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 17714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff InitBuiltinTypes(); 178e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 179e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 1813478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 1823478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 1833478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 1847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 18563fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 18663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 18763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 1880054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 1897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor // Release all of the memory associated with overridden C++ methods. 1907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor for (llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::iterator 1917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM = OverriddenMethods.begin(), OMEnd = OverriddenMethods.end(); 1927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM != OMEnd; ++OM) 1937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OM->second.Destroy(); 1943478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek 195dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 19663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 19763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 19863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 19963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 20063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 20163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 20263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 20363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 204dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 205dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 206dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 207dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 208dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 209dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 2106320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 2116320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 2126320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 2136320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 2146320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 2156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 216ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 2170054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 2180054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 2190054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 2200054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 2211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 2222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorASTContext::setExternalSource(llvm::OwningPtr<ExternalASTSource> &Source) { 2232cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 2242cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 2252cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 2265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 2275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, "*** AST Context Stats:\n"); 2285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer fprintf(stderr, " %d types total.\n", (int)Types.size()); 2297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 230dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 2311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 232dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 233dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 234dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 235dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 236c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 239dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 2405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 242dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 243dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 244dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 245dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 246dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, " %d %s types\n", (int)counts[Idx], #Name); \ 247dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 248dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 249dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 250dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 2511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 252dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor fprintf(stderr, "Total bytes = %d\n", int(TotalBytes)); 253ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 2544923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 2551827403a7138946305c0058f262e02b595cf882fDouglas Gregor fprintf(stderr, " %u/%u implicit default constructors created\n", 2561827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructorsDeclared, 2571827403a7138946305c0058f262e02b595cf882fDouglas Gregor NumImplicitDefaultConstructors); 258225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor fprintf(stderr, " %u/%u implicit copy constructors created\n", 259225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructorsDeclared, 260225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregor NumImplicitCopyConstructors); 261a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor fprintf(stderr, " %u/%u implicit copy assignment operators created\n", 262a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperatorsDeclared, 263a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregor NumImplicitCopyAssignmentOperators); 2644923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor fprintf(stderr, " %u/%u implicit destructors created\n", 2654923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor NumImplicitDestructorsDeclared, NumImplicitDestructors); 2664923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 2672cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 2682cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor fprintf(stderr, "\n"); 2692cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 2702cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 271ed8abf18329df67b0abcbb3a10458bd8c1d2a595Douglas Gregor 27263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 2735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 276e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 2776b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 278e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 2796b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 2805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 2815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::InitBuiltinTypes() { 2835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 2841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 2865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 2895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 2905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 29115b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 2925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 2935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 2945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 2955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 2965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 2975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 2985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 2995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 3005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 3011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 3035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 3045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 3055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 3065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 3075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 3081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 3105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 3115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 3125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 31364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 3142df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 3152df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 3162df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 3172df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 3183a2503227c3db04a3619735127483263c1075ef7Chris Lattner if (LangOpts.CPlusPlus) // C++ 3.9.1p5 3193a2503227c3db04a3619735127483263c1075ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar); 3203a2503227c3db04a3619735127483263c1075ef7Chris Lattner else // C99 3213a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 32264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 323f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 324f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 325f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 326f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 327f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 328f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 329f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 330f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 331f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 332f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 333898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 334898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 335898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 336898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 337898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 338898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 3398e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3402a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 3412a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 3422a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 3431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Placeholder type for C++0x auto declarations whose real type has 344e89d15944dd3be750a09805ad21222d2fa9321faAnders Carlsson // not yet been deduced. 3452a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(UndeducedAutoTy, BuiltinType::UndeducedAuto); 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 3485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 3495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 3505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 3518e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 3527e219e47de26346885d667131977bd9ca2d7662aSteve Naroff BuiltinVaListType = QualType(); 3531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 354de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // "Builtin" typedefs set by Sema::ActOnTranslationUnitScope(). 355de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = QualType(); 356de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = QualType(); 35713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = QualType(); 3581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 360de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 361de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 36213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 36314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 364a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 3651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 36733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 3686e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 3696e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 3706e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 3715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 37378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios KyrtzidisDiagnostic &ASTContext::getDiagnostics() const { 37478a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 37578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 37678a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 3776320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 3786320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 3796320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 3806320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 3816320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 3826320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3836320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3846320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 3856320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3866320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3876320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 3886320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 3896320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 3906320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 3916320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 3926320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 3936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 3946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 3956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3966320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 397251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 398663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 3997caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 400663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 4017caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 4027caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 4037caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 4041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4057caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 4067caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4077caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 409251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 4109421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 4119421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 4127caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 4137caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 4147caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 4157caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 416251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 4179421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 4187caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 4197caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 4207ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 421ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 4227ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 423ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 424ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 4250d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4270d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 4280d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4290d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 4300d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 431ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 432ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 433ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 434ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 435ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 436ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 437ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 438ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 439ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 440ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 441ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 442ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 443ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 444ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 445ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 446ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 447ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 448ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 449ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 450ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 451ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 452ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 453ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 454ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 4550d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 4560d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 457d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 458d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 459d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 460d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 461d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 4621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 463d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 464d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 465d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 466d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 467d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 468d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 469d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 470d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 471d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 473d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 474d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 475d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 4767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 4787d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4827d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4837d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 4847d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4857d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4867d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 4877d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 4887d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 4897d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 4907d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 4917d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 4927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 4937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 4947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 4957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 496c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 497c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 498c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 499c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 500c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 501c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 502c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 503c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 504c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 505c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 5067d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 5077d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 5087d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 5097d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 5107d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 511464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 512464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 513464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 514a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 515b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 516b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 517b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 518183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 519b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 520b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 521b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner default: assert(0 && "Not a floating point type!"); 522b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Float: return Target.getFloatFormat(); 523b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::Double: return Target.getDoubleFormat(); 524b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner case BuiltinType::LongDouble: return Target.getLongDoubleFormat(); 525b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 526b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 527b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 5288b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 529af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 530af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 5315d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 5325d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 5338b752f10c394b140f9ef89e049cbad1a7676fc25Ken DyckCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) { 534dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman unsigned Align = Target.getCharWidth(); 535dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5364081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 5374081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 5384081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 5394081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 5404081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 5414081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 5424081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 5434081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 5444081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // It is an error for [[align]] to decrease alignment, so we can 5454081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 5464081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 5474081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 5484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 5494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 5504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 5514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 5524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 553dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5544081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 5554081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore type of value 5564081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 557af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 5586217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 5595d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 5605d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 5615d484e8cf710207010720589d89602233de61d01Sebastian Redl else 5625d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 5635d484e8cf710207010720589d89602233de61d01Sebastian Redl } 5645d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 5656deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned MinWidth = Target.getLargeArrayMinWidth(); 5666deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned ArrayAlign = Target.getLargeArrayAlign(); 5676deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (isa<VariableArrayType>(T) && MinWidth != 0) 5686deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5696deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (ConstantArrayType *CT = dyn_cast<ConstantArrayType>(T)) { 5706deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola unsigned Size = getTypeSize(CT); 5716deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola if (MinWidth != 0 && MinWidth <= Size) 5726deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola Align = std::max(Align, ArrayAlign); 5736deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 5744cc2cfd48d7c2d11141871cad590db7b52ce00a0Anders Carlsson // Incomplete or function types default to 1. 575dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman while (isa<VariableArrayType>(T) || isa<IncompleteArrayType>(T)) 576dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman T = cast<ArrayType>(T)->getElementType(); 577dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 578dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 579dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 58005f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis if (const FieldDecl *FD = dyn_cast<FieldDecl>(VD)) { 58105f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // In the case of a field in a packed struct, we want the minimum 58205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis // of the alignment of the field and the alignment of the struct. 58305f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis Align = std::min(Align, 58405f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis getPreferredTypeAlign(FD->getParent()->getTypeForDecl())); 58505f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 586af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 587dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 5888b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck return CharUnits::fromQuantity(Align / Target.getCharWidth()); 589af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 590b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 591ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 592ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(const Type *T) { 593ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 594ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return std::make_pair(CharUnits::fromQuantity(Info.first / getCharWidth()), 595ea1471e0e967548c596a71469702f8846dbaf3c0John McCall CharUnits::fromQuantity(Info.second / getCharWidth())); 596ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 597ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 598ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 599ea1471e0e967548c596a71469702f8846dbaf3c0John McCallASTContext::getTypeInfoInChars(QualType T) { 600ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 601ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 602ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 603a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// getTypeSize - Return the size of the specified type, in bits. This method 604a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner/// does not work on incomplete types. 6050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 6060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 6070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 6080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 609d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 6101d75118af76cae2bfc06389cde410e14bd0a19fcDaniel DunbarASTContext::getTypeInfo(const Type *T) { 6115e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 6125e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 613a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 61472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 61572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 61618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 61772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 61872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 61918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor assert(false && "Should not see dependent types"); 62072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor break; 62172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6225d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 6235d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 62418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 62518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 62618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 62718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 62818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 62972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 630fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 63118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 63218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 63318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 63418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 635fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 6361d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 6371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 63898be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 6399e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*CAT->getSize().getZExtValue(); 640030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 641030d8846c7e520330007087e949f621989876e3aChris Lattner break; 6425c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 643213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 644030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 6459fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 6469fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 6479fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 6484bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 6496fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 6506fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 6518eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 6529fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 6539fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 6549fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 655030d8846c7e520330007087e949f621989876e3aChris Lattner break; 656030d8846c7e520330007087e949f621989876e3aChris Lattner } 6575d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 6589e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 659a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 660692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner default: assert(0 && "Unknown builtin type!"); 661d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 66218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 66318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 66418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 66518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 66618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 6676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 6689e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getBoolWidth(); 6699e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getBoolAlign(); 6706f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 671692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 672692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 673692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 6746f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 6759e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getCharWidth(); 6769e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getCharAlign(); 6776f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 67864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis case BuiltinType::WChar: 67964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Width = Target.getWCharWidth(); 68064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis Align = Target.getWCharAlign(); 68164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 682f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 683f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar16Width(); 684f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar16Align(); 685f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 686f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 687f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Width = Target.getChar32Width(); 688f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Align = Target.getChar32Align(); 689f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 690692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 6916f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 6929e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getShortWidth(); 6939e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getShortAlign(); 6946f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 695692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 6966f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 6979e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getIntWidth(); 6989e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getIntAlign(); 6996f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 700692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 7016f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 7029e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongWidth(); 7039e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongAlign(); 7046f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 705692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 7066f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 7079e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongLongWidth(); 7089e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongLongAlign(); 7096f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 710ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 711ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 712ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 713ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 714ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 7156f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 7169e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getFloatWidth(); 7179e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getFloatAlign(); 7186f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7196f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 7205426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getDoubleWidth(); 7215426bf6456a5aeac416a9150de157904d101c819Chris Lattner Align = Target.getDoubleAlign(); 7226f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7236f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 7249e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = Target.getLongDoubleWidth(); 7259e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Align = Target.getLongDoubleAlign(); 7266f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 7276e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 7286e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Width = Target.getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 7296e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl Align = Target.getPointerAlign(0); // == sizeof(void*) 7301590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 731e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 732e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 733e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 734e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Width = Target.getPointerWidth(0); 735e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian Align = Target.getPointerAlign(0); 736e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 737a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 738bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 739d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 7405426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(0); 741f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(0); 7426f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 743485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 744485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff unsigned AS = cast<BlockPointerType>(T)->getPointeeType().getAddressSpace(); 745485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Width = Target.getPointerWidth(AS); 746485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff Align = Target.getPointerAlign(AS); 747485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 748485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 7495d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 7505d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 7515d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 7525d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 7535d484e8cf710207010720589d89602233de61d01Sebastian Redl unsigned AS = cast<ReferenceType>(T)->getPointeeType().getAddressSpace(); 7545d484e8cf710207010720589d89602233de61d01Sebastian Redl Width = Target.getPointerWidth(AS); 7555d484e8cf710207010720589d89602233de61d01Sebastian Redl Align = Target.getPointerAlign(AS); 7565d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 7575d484e8cf710207010720589d89602233de61d01Sebastian Redl } 758f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 759f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner unsigned AS = cast<PointerType>(T)->getPointeeType().getAddressSpace(); 7605426bf6456a5aeac416a9150de157904d101c819Chris Lattner Width = Target.getPointerWidth(AS); 761f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner Align = Target.getPointerAlign(AS); 762f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 763f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 764f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 765071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 7661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 7671cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 768071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 7691cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 7701cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 771f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 7725d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 7735d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 7745d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 7751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 77698be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 7779e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 7785d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 7795d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 7805d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 781c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 782c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 78344a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 7841d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 78544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 78644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Width = Layout.getSize(); 78744a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel Align = Layout.getAlignment(); 78844a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 78944a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 79072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 79172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 7921d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 7931d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 7941d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 7958389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Width = 1; 7968389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner Align = 1; 7978389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 7988389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 7991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8001d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 8017176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 8027176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 8031d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 8047176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 8057176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Width = Layout.getSize(); 8067176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner Align = Layout.getAlignment(); 807dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 808a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 8097532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 8109fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 81149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 81249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 81349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 81418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 81518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor const TypedefDecl *Typedef = cast<TypedefType>(T)->getDecl(); 816df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 817df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 818df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Align = std::max(Typedef->getMaxAlignment(), Info.second); 819df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 8207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 8217176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 82218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 82318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 82418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 82518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 82618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 82718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 82818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 82918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 830395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 831395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 832395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 833395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 834465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 835465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 8361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 83718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TemplateSpecialization: 8381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 83918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 84018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // FIXME: this is likely to be wrong once we support template 84118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // aliases, since a template alias could refer to a typedef that 84218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // has an __aligned__ attribute on it. 84318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(getCanonicalType(T)); 84418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 8451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 846464175bba1318bef7905122e9fda20cff926df78Chris Lattner assert(Align && (Align & (Align-1)) == 0 && "Alignment must be power of 2"); 8479e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 848a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 849a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 850bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 851bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 852bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(QualType T) { 853199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 854bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 855bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen DyckCharUnits ASTContext::getTypeSizeInChars(const Type *T) { 856199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return CharUnits::fromQuantity(getTypeSize(T) / getCharWidth()); 857bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 858bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 85916e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 86086fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 86186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(QualType T) { 86286fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 86386fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 86486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken DyckCharUnits ASTContext::getTypeAlignInChars(const Type *T) { 86586fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck return CharUnits::fromQuantity(getTypeAlign(T) / getCharWidth()); 86686fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 86786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 86834ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 86934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 87034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 87134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 87234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattnerunsigned ASTContext::getPreferredTypeAlign(const Type *T) { 87334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 8741eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 8751eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 876183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 8771eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 8781eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 8791eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T->isSpecificBuiltinType(BuiltinType::LongLong)) 8801eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 8811eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 88234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 88334ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 88434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 8858e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// ShallowCollectObjCIvars - 8868e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// Collect all ivars, including those synthesized, in the current class. 8878e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian/// 8888e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanianvoid ASTContext::ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI, 88911062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 8902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // FIXME. This need be removed but there are two many places which 8912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian // assume const-ness of ObjCInterfaceDecl 8922c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 8932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 8942c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Iv= Iv->getNextIvar()) 8952c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian Ivars.push_back(Iv); 8962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian} 8972c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian 8982c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 8992c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 9002c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 9012c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 9022c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 9039820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 9042c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 9052c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 9069820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars) { 9072c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 9082c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 9092c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 9102c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 9112c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 91211062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian Ivars.push_back(*I); 91311062e11236b7bc689dad150e8b490fd6b063ec3Fariborz Jahanian } 9142c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian else 9152c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian ShallowCollectObjCIvars(OI, Ivars); 9169820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 9179820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 918e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 919e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 920e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 921432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 922e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 92353b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 92453b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 92553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 92653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 927e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 928432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 929e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 930b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 931b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian Protocols.insert(*P); 932e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 933e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 934b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 935e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 936e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 937e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 938e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 939e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 940e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 941e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 942e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 943e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 944e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 945b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 94653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 947e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 948e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 949432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 950e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 951e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 952e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 953e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 954b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 955e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 956e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 957e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 958432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian Protocols.insert(Proto); 959e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 960e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 961e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 962e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 963e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 964e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 965e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 9663bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanianunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) { 9673bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 9683bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 96980aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 97080aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 971b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 972b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9733bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 9743bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 9753bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 976b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 977b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 9788e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 9798e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 9808e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 9818a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 9828a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 9838a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9848a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9858a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9868a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 9878a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9888a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9898a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 9908a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 9918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 9928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 9938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 9948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 9958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 9968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 9978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 9988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 9998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 10008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 10018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 10028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 10038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 10058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 10068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 10078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 10088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 10098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 10108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 1011a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// \brief Allocate an uninitialized TypeSourceInfo. 1012b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1013a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall/// The caller should initialize the memory held by TypeSourceInfo using 1014b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// the TypeLoc wrappers. 1015b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// 1016b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \param T the type that will be the basis for type source info. This type 1017b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// should refer to how the declarator was written in source code, not to 1018b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// what type semantic analysis resolved the declarator to. 1019a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 1020109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall unsigned DataSize) { 1021109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1022109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1023109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1024109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1025a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1026109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1027a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1028a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1029a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1030a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1031b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1032b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1033a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 1034a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall SourceLocation L) { 1035a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1036a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall DI->getTypeLoc().initialize(L); 1037a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1038a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1039a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1040b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1041b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) { 1042b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1043b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1044b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1045b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 1046b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel DunbarASTContext::getASTObjCImplementationLayout(const ObjCImplementationDecl *D) { 1047b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1048b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1049b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1050a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1051a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1052a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1053a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 10540953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getExtQualType(const Type *TypeNode, Qualifiers Quals) { 10550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall unsigned Fast = Quals.getFastQualifiers(); 10560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.removeFastQualifiers(); 10570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 10590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 10600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQuals::Profile(ID, TypeNode, Quals); 10610953e767ff7817f97b3ab20896b229891eeff45bJohn McCall void *InsertPos = 0; 10620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ExtQuals *EQ = ExtQualNodes.FindNodeOrInsertPos(ID, InsertPos)) { 10630953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(EQ->getQualifiers() == Quals); 10640953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(EQ, Fast); 10650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 10670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtQuals *New = new (*this, TypeAlignment) ExtQuals(*this, TypeNode, Quals); 10690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ExtQualNodes.InsertNode(New, InsertPos); 10700953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType T = QualType(New, Fast); 10710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return T; 10720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10730953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10740953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualType ASTContext::getVolatileType(QualType T) { 10750953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanT = getCanonicalType(T); 10760953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (CanT.isVolatileQualified()) return T; 10770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10790953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10800953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addVolatile(); 10810953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 10820953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 10830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 10840953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 1085f11284ac87daa613bc7b30db9f54bd716d123222Fariborz JahanianQualType ASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) { 1086f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1087f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1088f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1089b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 10900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 10910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 10920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 10930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 10941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 10960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 10970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 10980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 10990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 11001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1102ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1103ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1104b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 11050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttr) { 1106d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1107b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1108d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 11091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11104027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian if (T->isPointerType()) { 11116217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType Pointee = T->getAs<PointerType>()->getPointeeType(); 111258f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 11134027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 11144027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 11154027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11164027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 11190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 11200953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 11210953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 11240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 11250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 11260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 11270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 11281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1130d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1131a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1132264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindolastatic QualType getExtFunctionType(ASTContext& Context, QualType T, 1133264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 11340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType ResultType; 113543c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const PointerType *Pointer = T->getAs<PointerType>()) { 113643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = Pointer->getPointeeType(); 1137264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 113843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 113943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1140ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1141ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getPointerType(ResultType); 114243c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else if (const BlockPointerType *BlockPointer 114343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor = T->getAs<BlockPointerType>()) { 114443c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor QualType Pointee = BlockPointer->getPointeeType(); 1145264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ResultType = getExtFunctionType(Context, Pointee, Info); 114643c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (ResultType == Pointee) 114743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1148ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1149ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getBlockPointerType(ResultType); 1150afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor } else if (const MemberPointerType *MemberPointer 1151afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor = T->getAs<MemberPointerType>()) { 1152afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor QualType Pointee = MemberPointer->getPointeeType(); 1153afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor ResultType = getExtFunctionType(Context, Pointee, Info); 1154afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor if (ResultType == Pointee) 1155afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor return T; 1156afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor 1157afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor ResultType = Context.getMemberPointerType(ResultType, 1158afac01d7e76f28d5e5a5c377369cc400919387eeDouglas Gregor MemberPointer->getClass()); 1159ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor } else if (const FunctionType *F = T->getAs<FunctionType>()) { 1160264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola if (F->getExtInfo() == Info) 116143c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1162ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 116343c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(F)) { 1164ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor ResultType = Context.getFunctionNoProtoType(FNPT->getResultType(), 1165264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } else { 116743c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor const FunctionProtoType *FPT = cast<FunctionProtoType>(F); 11680953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ResultType 1169ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor = Context.getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1170ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumArgs(), FPT->isVariadic(), 1171ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getTypeQuals(), 1172ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasExceptionSpec(), 1173ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->hasAnyExceptionSpec(), 1174ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->getNumExceptions(), 1175ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor FPT->exception_begin(), 1176264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info); 11770953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 117843c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor } else 117943c79c2b07abc7ba6d9f243b84ee6539de4d2652Douglas Gregor return T; 1180ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1181ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return Context.getQualifiedType(ResultType, T.getLocalQualifiers()); 1182ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1183ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1184ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getNoReturnType(QualType T, bool AddNoReturn) { 1185425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1186264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1187264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withNoReturn(AddNoReturn)); 1188ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor} 1189ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor 1190ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas GregorQualType ASTContext::getCallConvType(QualType T, CallingConv CallConv) { 1191425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1192264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getExtFunctionType(*this, T, 1193264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(CallConv)); 11942455636163fdd18581d7fdae816433f886d88213Mike Stump} 11952455636163fdd18581d7fdae816433f886d88213Mike Stump 1196425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael EspindolaQualType ASTContext::getRegParmType(QualType T, unsigned RegParm) { 1197425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info = getFunctionExtInfo(T); 1198425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola return getExtFunctionType(*this, T, 1199425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola Info.withRegParm(RegParm)); 1200425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola} 1201425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola 12025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 12035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 12045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getComplexType(QualType T) { 12055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 12091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 12125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 12131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1217467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1218f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 12191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1222f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12246b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 12255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 12275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 12315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 12325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerQualType ASTContext::getPointerType(QualType T) { 12335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 12365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 12371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 12411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 12435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 12445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1245467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1246f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 12471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 12495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1250f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 12526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 12535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 12545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 12555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 12565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 12575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 12595618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 12605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve NaroffQualType ASTContext::getBlockPointerType(QualType T) { 1261296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1262296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 12635618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 12645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 12655618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 12661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 12685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 12695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 12705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 12711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 12735618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 12745618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1275467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 12765618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 12771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12785618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 12795618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 12805618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1281f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 12825618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 12836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 12846b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 12855618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 12865618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 12875618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 12885618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 12895618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 12907c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 12917c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 129254e14c4db764c0636160d26c5bbf491637c83a76John McCallQualType ASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) { 12935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 12945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 12955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 129654e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 12975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 12985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 12997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 13007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 13027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 130354e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 130454e14c4db764c0636160d26c5bbf491637c83a76John McCall 13055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 13065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 13075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 130854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 130954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 131054e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 13117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 13137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 13147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 13157c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 13177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 131954e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 132054e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 13217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 13227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 132354e14c4db764c0636160d26c5bbf491637c83a76John McCall 13247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 13257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 13267c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13277c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 13287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 13297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian RedlQualType ASTContext::getRValueReferenceType(QualType T) { 13307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 13317c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 13327c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 133354e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 13347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13357c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 13367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 13377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 13387c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 13397c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 134054e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 134154e14c4db764c0636160d26c5bbf491637c83a76John McCall 13427c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 13437c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 13447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 134554e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 134654e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 134754e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 13487c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 13495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 13507c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 13517c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1352f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 13535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 13545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13556b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 13566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 13575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 13587c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 13595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 13605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 13615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1362f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1363f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 13641eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) { 1365f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1366f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1367f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1368f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1369f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1370f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1371f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1372f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1373f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1374f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1375f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1376f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1377f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 137887c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1379f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1380f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1381f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1382f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1383f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1384f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 1385f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 13866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 13876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1388f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1389f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1390f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1391f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1392f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 13931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1394fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 139638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1397c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 1398c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff unsigned EltTypeQuals) { 1399923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1400923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1401587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1402587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 140338aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 140438aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 140538aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 140638aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner ArySize.zextOrTrunc(Target.getPointerWidth(EltTy.getAddressSpace())); 14071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 14090be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, EltTypeQuals); 14101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 14121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 14137192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 14145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 14151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 14175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 14185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1419467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 14201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump Canonical = getConstantArrayType(getCanonicalType(EltTy), ArySize, 1421c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ASM, EltTypeQuals); 14225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 14231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 14247192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1425f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 14265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 14271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 14296b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType(EltTy, Canonical, ArySize, ASM, EltTypeQuals); 14307192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 14315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 14325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 14335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1435745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getIncompleteArrayType - Returns a unique reference to the type for a 1436745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// incomplete array of the specified element type. 1437745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getUnknownSizeVariableArrayType(QualType Ty) { 1438745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ElemTy = getBaseElementType(Ty); 1439745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian DeclarationName Name; 1440745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::SmallVector<QualType, 8> ATypes; 1441745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType ATy = Ty; 1442745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian while (const ArrayType *AT = getAsArrayType(ATy)) { 1443745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATypes.push_back(ATy); 1444745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ATy = AT->getElementType(); 1445745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1446745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian for (int i = ATypes.size() - 1; i >= 0; i--) { 1447745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (const VariableArrayType *VAT = getAsVariableArrayType(ATypes[i])) { 1448745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Star, 1449745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, VAT->getBracketsRange()); 1450745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1451745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (const ConstantArrayType *CAT = getAsConstantArrayType(ATypes[i])) { 1452745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian llvm::APSInt ConstVal(CAT->getSize()); 1453745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getConstantArrayType(ElemTy, ConstVal, ArrayType::Normal, 0); 1454745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1455745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else if (getAsIncompleteArrayType(ATypes[i])) { 1456745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ElemTy = getVariableArrayType(ElemTy, /*ArraySize*/0, ArrayType::Normal, 1457745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 0, SourceRange()); 1458745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1459745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian else 1460745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian assert(false && "DependentArrayType is seen"); 1461745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1462745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return ElemTy; 1463745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1464745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1465745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// getVariableArrayDecayedType - Returns a vla type where known sizes 1466745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian/// are replaced with [*] 1467745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz JahanianQualType ASTContext::getVariableArrayDecayedType(QualType Ty) { 1468745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (Ty->isPointerType()) { 1469745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian QualType BaseType = Ty->getAs<PointerType>()->getPointeeType(); 1470745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (isa<VariableArrayType>(BaseType)) { 1471745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian ArrayType *AT = dyn_cast<ArrayType>(BaseType); 1472745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian VariableArrayType *VAT = cast<VariableArrayType>(AT); 1473745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian if (VAT->getSizeExpr()) { 1474745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getUnknownSizeVariableArrayType(BaseType); 1475745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian Ty = getPointerType(Ty); 1476745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1477745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1478745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1479745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian return Ty; 1480745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian} 1481745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1482745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1483bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1484bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 14857e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 14867e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1487c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 14887e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 14897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1490c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1491c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 1492715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor QualType CanonType; 1493715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 1494715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (!EltTy.isCanonical()) { 1495715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor if (NumElts) 1496715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor NumElts->Retain(); 1497715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor CanonType = getVariableArrayType(getCanonicalType(EltTy), NumElts, ASM, 1498715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor EltTypeQuals, Brackets); 1499715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1500715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 15016b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 1502715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor VariableArrayType(EltTy, CanonType, NumElts, ASM, EltTypeQuals, Brackets); 1503c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1504c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1505c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1506c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1507c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1508c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1509898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1510898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 151104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 15127e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getDependentSizedArrayType(QualType EltTy, 15137e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1514898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 15157e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor unsigned EltTypeQuals, 15167e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor SourceRange Brackets) { 1517cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor assert((!NumElts || NumElts->isTypeDependent() || 1518cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor NumElts->isValueDependent()) && 1519898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1520898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 152104d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor void *InsertPos = 0; 1522cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType *Canon = 0; 1523789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 1524cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1525cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor if (NumElts) { 1526cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // Dependently-sized array types that do not have a specified 1527cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // number of elements will have their sizes deduced from an 1528cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor // initializer. 1529cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayType::Profile(ID, *this, getCanonicalType(EltTy), ASM, 1530cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor EltTypeQuals, NumElts); 1531cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1532cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor Canon = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1533cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 1534cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 153504d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor DependentSizedArrayType *New; 153604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (Canon) { 153704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // We already have a canonical version of this array type; use it as 153804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor // the canonical type for a newly-built type. 15396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(Canon, 0), 15416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 154204d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 154304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType CanonEltTy = getCanonicalType(EltTy); 154404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor if (CanonEltTy == EltTy) { 15456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, QualType(), 15476b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 1548cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 1549789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (NumElts) { 1550789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedArrayType *CanonCheck 1551789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1552789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized canonical array type broken"); 1553789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 1554cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor DependentSizedArrayTypes.InsertNode(New, InsertPos); 1555789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 155604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } else { 155704d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor QualType Canon = getDependentSizedArrayType(CanonEltTy, NumElts, 155804d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor ASM, EltTypeQuals, 155904d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor SourceRange()); 15606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 15616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedArrayType(*this, EltTy, Canon, 15626b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumElts, ASM, EltTypeQuals, Brackets); 156304d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 156404d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor } 15651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1566898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor Types.push_back(New); 1567898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return QualType(New, 0); 1568898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor} 1569898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 1570c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli FriedmanQualType ASTContext::getIncompleteArrayType(QualType EltTy, 1571c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 1572c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman unsigned EltTypeQuals) { 1573c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 15740be2ef2321b1283ead38ebeb83b451335d90e0feChris Lattner IncompleteArrayType::Profile(ID, EltTy, ASM, EltTypeQuals); 1575c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1576c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman void *InsertPos = 0; 15771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (IncompleteArrayType *ATP = 1578c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 1579c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(ATP, 0); 1580c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1581c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 1582c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // either, so fill in the canonical type field. 1583c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman QualType Canonical; 1584c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1585467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!EltTy.isCanonical()) { 1586f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getIncompleteArrayType(getCanonicalType(EltTy), 15872bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek ASM, EltTypeQuals); 1588c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1589c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 1590c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayType *NewIP = 1591c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1592f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 15932bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 1594c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 15956b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType *New = new (*this, TypeAlignment) 15966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall IncompleteArrayType(EltTy, Canonical, ASM, EltTypeQuals); 1597c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1598c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman IncompleteArrayTypes.InsertNode(New, InsertPos); 1599c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1600c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1601fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 1602fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 160373322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 160473322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 160582287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 160633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner VectorType::AltiVecSpecific AltiVecSpec) { 160733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BuiltinType *BaseType; 16081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 160933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner BaseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 161033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner assert(BaseType != 0 && "getVectorType(): Expecting a built-in type"); 16111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 16135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1614788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::Vector, AltiVecSpec); 1615788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 16195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1623255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 1624788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Canonical = getVectorType(getCanonicalType(vecType), NumElts, 1625788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 16261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1629f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16316b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 1632788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType(vecType, NumElts, Canonical, AltiVecSpec); 16335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 16345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1638213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 163973322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 1640213541a68a3e137d11d2cefb612c6cdb410d7e8eNate BegemanQualType ASTContext::getExtVectorType(QualType vecType, unsigned NumElts) { 164173322924127c873c13101b705dd823f5539ffa5fSteve Naroff BuiltinType *baseType; 16421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1643f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner baseType = dyn_cast<BuiltinType>(getCanonicalType(vecType).getTypePtr()); 1644213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman assert(baseType != 0 && "getExtVectorType(): Expecting a built-in type"); 16451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 164673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 164773322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 1648788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 1649788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 165073322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 165173322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 165273322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 165373322924127c873c13101b705dd823f5539ffa5fSteve Naroff 165473322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 165573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 165673322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 1657467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 1658213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 16591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 166073322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 166173322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1662f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 166373322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 16646b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 16656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 166673322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 166773322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 166873322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 166973322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 167073322924127c873c13101b705dd823f5539ffa5fSteve Naroff 16711eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getDependentSizedExtVectorType(QualType vecType, 16729cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Expr *SizeExpr, 16739cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor SourceLocation AttrLoc) { 16742ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 16751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 16762ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 16771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16782ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 16792ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 16802ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 16812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 16822ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 16832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 16842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 16856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 16876b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 16882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 16892ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 16902ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 16916b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 16926b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 16936b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 1694789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1695789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 1696789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 1697789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 1698789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 16992ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 17002ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 17012ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 17022ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 17036b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 17046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 17052ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 17062ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 17071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17089cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 17099cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 17109cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 17119cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 171272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 17135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 1714264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael EspindolaQualType ASTContext::getFunctionNoProtoType(QualType ResultTy, 1715264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1716264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv = Info.getCC(); 17175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 17185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 17195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 1720264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 17211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 172472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 17255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 17261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1728ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 172904a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 1730264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 1731264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 1732264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 17331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 173572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 173672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1737f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17406b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 1741264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType(ResultTy, Canonical, Info); 17425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 174372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 17445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 17485f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 174961710854be2b098428aff5316e64bd34b30fbcb7Chris LattnerQualType ASTContext::getFunctionType(QualType ResultTy,const QualType *ArgArray, 1750971c4fae6092976338b755af1d47dac07c8f16e3Argyrios Kyrtzidis unsigned NumArgs, bool isVariadic, 1751465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl unsigned TypeQuals, bool hasExceptionSpec, 1752465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl bool hasAnyExceptionSpec, unsigned NumExs, 1753264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const QualType *ExArray, 1754264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const FunctionType::ExtInfo &Info) { 1755dab60ad68a3a98d687305941a3852e793705f945Douglas Gregor 1756264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola const CallingConv CallConv= Info.getCC(); 17575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 17585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 17595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 176072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, isVariadic, 1761465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1762264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola NumExs, ExArray, Info); 17635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 176672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 17675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 1768465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1769465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 177054e14c4db764c0636160d26c5bbf491637c83a76John McCall bool isCanonical = !hasExceptionSpec && ResultTy.isCanonical(); 17715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 177254e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 17735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 17745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 1776465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 17775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 177804a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 17795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::SmallVector<QualType, 16> CanonicalArgs; 17805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 17815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 178254e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 1783465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 1784f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 1785beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 178647259d9ca7840dd66f06f5f11da7768b23d1e0fdDouglas Gregor isVariadic, TypeQuals, false, 1787264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, 0, 0, 1788264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 1789465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 17905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 179172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 179272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 1793f6e764fe722440eaed18dad9eeff3d7e89a4d7afChris Lattner assert(NewIP == 0 && "Shouldn't be in the map!"); NewIP = NewIP; 17945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1795465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 179672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor // FunctionProtoType objects are allocated with extra bytes after them 1797465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // for two variable size arrays (for parameter and exception types) at the 1798465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // end of them. 17991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionProtoType *FTP = 1800465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl (FunctionProtoType*)Allocate(sizeof(FunctionProtoType) + 1801465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl NumArgs*sizeof(QualType) + 18026b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall NumExs*sizeof(QualType), TypeAlignment); 180372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, isVariadic, 1804465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl TypeQuals, hasExceptionSpec, hasAnyExceptionSpec, 1805264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola ExArray, NumExs, Canonical, Info); 18065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 180772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 18085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 18095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18113cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 18123cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 18133cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 18143cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 18153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 18163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 18173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 18183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 18193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 18203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 18213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 18233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 18253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 18263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 18273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST) { 18283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 18293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 18303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 183137ffed3b7f229844cae2463ff82b527506c86c74Argyrios Kyrtzidis } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDeclaration()) { 18323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 18333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 18343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 18353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 183631f17ecbef57b5679c017c375db330546b7b5145John McCall Decl->TypeForDecl = 183731f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 18383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Types.push_back(Decl->TypeForDecl); 18393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 18403cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 18413cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 18423cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 18432ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 18442ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 1845becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCallQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) { 18461e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 1847becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 18481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 184919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const TypedefDecl *Typedef = dyn_cast<TypedefDecl>(Decl)) 18502ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 1851becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 1852becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 1853becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 1854becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 185519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 1856becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Record->getPreviousDeclaration() && 1857becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 1858becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 1859400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 186019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 1861becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Enum->getPreviousDeclaration() && 1862becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 1863400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 186419c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 1865ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 1866ed97649e9574b9d854fa4d6109c9333ae0993554John McCall Decl->TypeForDecl = new (*this, TypeAlignment) UnresolvedUsingType(Using); 18679fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 1868becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 186949aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 1870becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall Types.push_back(Decl->TypeForDecl); 187149aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 18722ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 18732ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 18745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 18755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified typename decl. 18769763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 18779763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getTypedefType(const TypedefDecl *Decl, QualType Canonical) { 18785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 18791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18809763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 18819763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 18826b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Decl->TypeForDecl = new(*this, TypeAlignment) 18836b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 18845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(Decl->TypeForDecl); 18855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(Decl->TypeForDecl, 0); 18865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1888400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getRecordType(const RecordDecl *Decl) { 1889400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1890400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1891400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const RecordDecl *PrevDecl = Decl->getPreviousDeclaration()) 1892400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1893400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1894400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1895400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) RecordType(Decl); 1896400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1897400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1898400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1899400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1900400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios KyrtzidisQualType ASTContext::getEnumType(const EnumDecl *Decl) { 1901400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 1902400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1903400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (const EnumDecl *PrevDecl = Decl->getPreviousDeclaration()) 1904400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 1905400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 1906400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 1907400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Decl->TypeForDecl = new (*this, TypeAlignment) EnumType(Decl); 1908400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis Types.push_back(Decl->TypeForDecl); 1909400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 1910400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 1911400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 191249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 191349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 191449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 191549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall QualType Replacement) { 1916467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 191749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 191849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 191949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 192049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 192149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 192249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 192349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 192449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 192549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 192649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 192749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 192849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 192949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 193049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 193149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 193249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 193349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 193449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 1935fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 19361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 193776e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 19381eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 193976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 1940efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor IdentifierInfo *Name) { 1941fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 1942efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, Name); 1943fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 19441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 1945fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1946fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1947fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 1948fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 19491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1950efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor if (Name) { 195176e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 1952efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TypeParm = new (*this, TypeAlignment) 1953efed5c832de630715dd42211dd3b2aab5dd97a1bDouglas Gregor TemplateTypeParmType(Depth, Index, ParameterPack, Name, Canon); 1954789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 1955789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 1956789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 1957789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 1958789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 195976e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 19606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 19616b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 1962fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1963fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 1964fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 1965fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 1966fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 1967fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 1968fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 19693cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 19703cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 19713cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 19723cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 19733cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType CanonType) { 19743cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall QualType TST = getTemplateSpecializationType(Name, Args, CanonType); 19753cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19763cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 19773cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 19783cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 19793cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 19803cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 19813cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 19823cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 19833cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 19843cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 19853cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 19863cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 19871eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 19887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 1989d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 199071d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 1991d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 1992d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 1993833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall llvm::SmallVector<TemplateArgument, 4> ArgVec; 1994833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 1995833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 1996833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 1997833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 199831f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 199971d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall Canon); 2000833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2001833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2002833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2003833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 20047532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 20057532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 200671d74bc0d6e522ce7c21a599db8e19d3883b518fJohn McCall QualType Canon) { 2007b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor if (!Canon.isNull()) 2008b88e888404ad0a2bdd9bfae457e8530bb38a87c5Douglas Gregor Canon = getCanonicalType(Canon); 20099763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis else 20109763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canon = getCanonicalTemplateSpecializationType(Template, Args, NumArgs); 2011fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 20121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 20131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 20141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 20151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void *Mem = Allocate((sizeof(TemplateSpecializationType) + 201640808ce6ac04b102c3b56244a635d6b98eed6d97Douglas Gregor sizeof(TemplateArgument) * NumArgs), 20176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 20181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2019ef99001908e799c388f1363b1e607dad5f5b57d3John McCall = new (Mem) TemplateSpecializationType(Template, 202031f17ecbef57b5679c017c375db330546b7b5145John McCall Args, NumArgs, 2021828e226ab7ed08b3eb766549e9d3306432137460Douglas Gregor Canon); 20221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 202355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 20241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 202555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 202655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 20271eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 20289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 20299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 20309763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis unsigned NumArgs) { 20319763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 20329763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 20339763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::SmallVector<TemplateArgument, 4> CanonArgs; 20349763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 20359763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 20369763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 20379763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 20399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 20409763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 20419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 20429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 20439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 20459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 20469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 20479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 20499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 20509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 20519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 20529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 20539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 20549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 20559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis QualType()); 20569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 20579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 20589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 20599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 20619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 20629763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 20639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 20649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 20659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2066465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2067465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 2068465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara QualType NamedType) { 2069e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2070465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2071e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2072e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2073465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2074e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2075e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2076e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2077789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2078789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2079789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2080465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2081465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2082789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2083789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2084789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2085465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2086e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2087465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2088e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2089e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2090e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 20914a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 20924a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 20934a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 20944a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor QualType Canon) { 2095d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2096d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2097d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2098d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 20994a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 21004a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 21014a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 21024a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 21034a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 21044a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2105d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2106d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2107d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 21084a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2109d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2110d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 21114714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 21124714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2113d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2114d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2115d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21164a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2117d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 21184714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 21191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2120d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2121d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 21221eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 212333500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 212433500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 21254a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 212633500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 212733500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgumentListInfo &Args) { 212833500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 212933500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> ArgCopy; 213033500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 213133500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 213233500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 213333500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 213433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 213533500955d731c73717af52088b7fc0e7a85681e7John McCall} 213633500955d731c73717af52088b7fc0e7a85681e7John McCall 213733500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 213833500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 213933500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 214033500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 214133500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 214233500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 214333500955d731c73717af52088b7fc0e7a85681e7John McCall const TemplateArgument *Args) { 21441734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 21451734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2146789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 214733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 214833500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2149789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2150789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 215133500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 215233500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2153789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2154789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2155789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 215633500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 215733500955d731c73717af52088b7fc0e7a85681e7John McCall 215833500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 215933500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 21601734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 216133500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 216233500955d731c73717af52088b7fc0e7a85681e7John McCall llvm::SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 216333500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 216433500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 216533500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 216633500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2167789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 21681734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 216933500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 217033500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 217133500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 217233500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 217333500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 217433500955d731c73717af52088b7fc0e7a85681e7John McCall 217533500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 217633500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 217733500955d731c73717af52088b7fc0e7a85681e7John McCall } 217833500955d731c73717af52088b7fc0e7a85681e7John McCall 217933500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 218033500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 218133500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2182ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 218333500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 21841734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 218533500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 21861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 21871734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 21881734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 218988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 219088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 219188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 219288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 21932e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 219488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 219588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2196c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 219754e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 219854e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 219954e14c4db764c0636160d26c5bbf491637c83a76John McCall 220054e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 220154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!CmpProtocolNames(Protocols[i-1], Protocols[i])) 220254e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 220354e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 220454e14c4db764c0636160d26c5bbf491637c83a76John McCall} 220554e14c4db764c0636160d26c5bbf491637c83a76John McCall 220654e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 220788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 220888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 22091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 221088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 221188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 221288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 221388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 221488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 221588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 221688cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 221788cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2218c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2219c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 2220c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned NumProtocols) { 2221c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2222c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2223c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2224c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2225d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2226c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2227c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2228c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2229d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2230c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2231c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2232d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2233c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 223554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2238c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 22390237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer llvm::SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 22400237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 224154e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 224254e14c4db764c0636160d26c5bbf491637c83a76John McCall 224354e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2244c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2245c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 224654e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2247c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2248c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 224954e14c4db764c0636160d26c5bbf491637c83a76John McCall } 225054e14c4db764c0636160d26c5bbf491637c83a76John McCall 225154e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2252c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 225354e14c4db764c0636160d26c5bbf491637c83a76John McCall } 225454e14c4db764c0636160d26c5bbf491637c83a76John McCall 2255c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2256c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2257fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2258c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2259c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 22601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2261c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2262c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2263c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2264d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 226588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2266c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2267c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 2268c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) { 22694b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2270c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 22711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22724b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2273c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2274c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 22754b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 22761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2277c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 227854e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2279c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2280c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 228154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2282c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2283c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 228454e14c4db764c0636160d26c5bbf491637c83a76John McCall } 228554e14c4db764c0636160d26c5bbf491637c83a76John McCall 2286c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2287c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2288c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2289c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 229024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 229124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2292c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 229324fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 229424fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 229524fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2296deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2297deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 2298deacbdca554298ccdf636f19c6094a8825ec6b34Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl) { 2299deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2300deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 230174c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 2302deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor // FIXME: redeclarations? 2303deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2304deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2305deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2306deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2307deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2308c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2309c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 231072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 231172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 23129752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 23131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 23149752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 231572564e73277e29f6db3305d1f27ba408abb7ed88Douglas GregorQualType ASTContext::getTypeOfExprType(Expr *tofExpr) { 2316dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2317b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2318b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2319b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 23201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2321b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2322b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 2323b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 2324b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 2325b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 2326b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 23276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 2328b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 2329b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2330b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor else { 2331b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 23326b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 23336b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 2334b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 2335b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 2336b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 2337b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 2338dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 23396b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 2340dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 23419752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 23429752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 2343d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2344d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 23459752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 23469752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 23479752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 23481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 23499752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 2350d1861fd633d5096a00777c918eb8575ea7162fe7Steve NaroffQualType ASTContext::getTypeOfType(QualType tofType) { 2351f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 23526b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 23539752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 23549752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 2355d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 2356d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 235760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// getDecltypeForExpr - Given an expr, will return the decltype for that 235860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson/// expression, according to the rules in C++0x [dcl.type.simple]p4 235960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlssonstatic QualType getDecltypeForExpr(const Expr *e, ASTContext &Context) { 2360a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson if (e->isTypeDependent()) 2361a07c33e64e1169e4261f7748c7f9191091a3ad2eAnders Carlsson return Context.DependentTy; 23621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 236360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is an id expression or a class member access, decltype(e) is defined 236460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // as the type of the entity named by e. 236560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(e)) { 236660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const ValueDecl *VD = dyn_cast<ValueDecl>(DRE->getDecl())) 236760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return VD->getType(); 236860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 236960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const MemberExpr *ME = dyn_cast<MemberExpr>(e)) { 237060a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const FieldDecl *FD = dyn_cast<FieldDecl>(ME->getMemberDecl())) 237160a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return FD->getType(); 237260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson } 237360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // If e is a function call or an invocation of an overloaded operator, 237460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // (parentheses around e are ignored), decltype(e) is defined as the 237560a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // return type of that function. 237660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (const CallExpr *CE = dyn_cast<CallExpr>(e->IgnoreParens())) 237760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return CE->getCallReturnType(); 23781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 237960a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson QualType T = e->getType(); 23801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, where T is the type of e, if e is an lvalue, decltype(e) is 238260a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson // defined as T&, otherwise decltype(e) is defined as T. 238360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson if (e->isLvalue(Context) == Expr::LV_Valid) 238460a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson T = Context.getLValueReferenceType(T); 23851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 238660a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson return T; 238760a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson} 238860a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 2389395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 2390395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 2391395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 23921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 2393395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// on canonical type's (which are always unique). 2394395b475a4474f1c7574d927ad142ca0c7997cbcaAnders CarlssonQualType ASTContext::getDecltypeType(Expr *e) { 2395dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 23969d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (e->isTypeDependent()) { 23979d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 23989d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 23991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24009d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 24019d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 24029d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 24039d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 24049d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 24059d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 24066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 24079d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 24089d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24099d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor else { 24109d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 24116b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 24129d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 24139d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 24149d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 24159d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 2416dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType T = getDecltypeForExpr(e, *this); 24176b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, T, getCanonicalType(T)); 2418dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 2419395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 2420395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 2421395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 2422395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 24235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 24245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 2425e607ed068334bacb8d7b093996b4671c6ca79e25Mike StumpQualType ASTContext::getTagDeclType(const TagDecl *Decl) { 2426d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 2427e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 2428e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 2429e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 24305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 24331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 24341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 2435a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 2436b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getSizeType()); 24375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 24385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 243964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 244064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 244164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 244264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 244364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 244464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 244564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 244664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 244764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 244864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 244964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 245064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 245164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 245264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 24538b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// getPointerDiffType - Return the unique type for "ptrdiff_t" (ref?) 24548b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 24558b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 2456b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor return getFromTargetType(Target.getPtrDiffType(0)); 24578b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 24588b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 2459e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2460e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 2461e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 2462e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 246354e14c4db764c0636160d26c5bbf491637c83a76John McCallCanQualType ASTContext::getCanonicalParamType(QualType T) { 246454e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 246554e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 246654e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 2467745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 246854e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 246954e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 247054e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 247154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 247254e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 247354e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 247454e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 247554e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 247654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 247754e14c4db764c0636160d26c5bbf491637c83a76John McCall 247854e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 247954e14c4db764c0636160d26c5bbf491637c83a76John McCall} 248054e14c4db764c0636160d26c5bbf491637c83a76John McCall 248177c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// getCanonicalType - Return the canonical (structural) type corresponding to 248277c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// the specified potentially non-canonical type. The non-canonical version 248377c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// of a type may have many "decorated" versions of types. Decorators can 248477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// include typedefs, 'typeof' operators, etc. The returned type is guaranteed 248577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// to be free of any of these, allowing two canonical types to be compared 248677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner/// for exact equality with a simple pointer comparison. 248750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas GregorCanQualType ASTContext::getCanonicalType(QualType T) { 24880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 24890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ptr = Quals.strip(T); 24900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType CanType = Ptr->getCanonicalTypeInternal(); 24910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 24920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // The canonical internal type will be the canonical type *except* 24930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // that we push type qualifiers down through array types. 24941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 24950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If there are no new qualifiers to push down, stop here. 24960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!Quals.hasQualifiers()) 249750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(CanType); 2498c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 24990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the type qualifiers are on an array type, get the canonical 25000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type of the array with the qualifiers applied to the element 25010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // type. 2502c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner ArrayType *AT = dyn_cast<ArrayType>(CanType); 2503c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (!AT) 25040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return CanQualType::CreateUnsafe(getQualifiedType(CanType, Quals)); 25051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2506c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2507c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 25080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(AT->getElementType(), Quals); 2509c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner NewEltTy = getCanonicalType(NewEltTy); 25101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2511c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 251250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 251350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getConstantArrayType(NewEltTy, CAT->getSize(), 251450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor CAT->getSizeModifier(), 25150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2516c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) 251750d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 251850d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getIncompleteArrayType(NewEltTy, IAT->getSizeModifier(), 25190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 25201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2521898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor if (DependentSizedArrayType *DSAT = dyn_cast<DependentSizedArrayType>(AT)) 252250d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe( 252350d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor getDependentSizedArrayType(NewEltTy, 2524bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2525bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 252650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor DSAT->getSizeModifier(), 25270953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 252887a924e37dc40c6e3e2b33d1dbd646aeccf4c15bDouglas Gregor DSAT->getBracketsRange())->getCanonicalTypeInternal()); 2529898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 2530c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VariableArrayType *VAT = cast<VariableArrayType>(AT); 253150d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor return CanQualType::CreateUnsafe(getVariableArrayType(NewEltTy, 2532bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 2533bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr()->Retain() : 0, 253450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getSizeModifier(), 25350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 253650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor VAT->getBracketsRange())); 2537c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner} 2538c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 253928e318cc6008c2bc008f0caee70dc736a03d6289Chandler CarruthQualType ASTContext::getUnqualifiedArrayType(QualType T, 254028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth Qualifiers &Quals) { 25415535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth Quals = T.getQualifiers(); 25429dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const ArrayType *AT = getAsArrayType(T); 25439dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 25445535c38a2fcface6c13bc8bbeca66882de2fa227Chandler Carruth return T.getUnqualifiedType(); 254528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 254628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 254728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth QualType Elt = AT->getElementType(); 2548c1ae0a8b0022a9fbb50d3413139f36ec5d8a63beZhongxing Xu QualType UnqualElt = getUnqualifiedArrayType(Elt, Quals); 254928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth if (Elt == UnqualElt) 255028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return T; 255128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25529dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 255328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getConstantArrayType(UnqualElt, CAT->getSize(), 255428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 255528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 255628e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25579dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 255828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getIncompleteArrayType(UnqualElt, IAT->getSizeModifier(), 0); 255928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 256028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25619dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 25629dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor return getVariableArrayType(UnqualElt, 25639dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr() ? 25649dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeExpr()->Retain() : 0, 25659dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 25669dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 25679dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 25689dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 25699dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 25709dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 257128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth return getDependentSizedArrayType(UnqualElt, DSAT->getSizeExpr()->Retain(), 257228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 257328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 257428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 257528e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 25765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 25775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 25785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 25795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 25805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 25815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 25825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 25835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 25845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 25855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 25865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 25875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 25885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 25895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 25905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 25915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 25925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 25935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 25945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 25955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 25965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 25975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 25985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 25995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 26005a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (getLangOptions().ObjC1) { 26045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 26055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 26065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 26075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 26085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 26095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 26105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 26125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 26145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26155a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 26165a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 26175a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 26182577743c5650c646fb705df01403707e94f2df04Abramo BagnaraDeclarationNameInfo ASTContext::getNameForTemplate(TemplateName Name, 26192577743c5650c646fb705df01403707e94f2df04Abramo Bagnara SourceLocation NameLoc) { 262080ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (TemplateDecl *TD = Name.getAsTemplateDecl()) 26212577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26222577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(TD->getDeclName(), NameLoc); 26232577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 262480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DependentTemplateName *DTN = Name.getAsDependentTemplateName()) { 26252577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 262680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 26272577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 26282577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 262980ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 26302577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 26312577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 26322577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 26332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 26342577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 26352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 263680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 263780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 263880ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 26390bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 26400bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(Storage); 26412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 26422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 264380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 264480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 264525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas GregorTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) { 26463e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateDecl *Template = Name.getAsTemplateDecl()) { 26473e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 26483e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(Template)) 26493e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 26503e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 26513e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 265297fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 26533e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 265425a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 26550bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(!Name.getAsOverloadedTemplate()); 26561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 265725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 265825a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor assert(DTN && "Non-dependent template names must refer to template decls."); 265925a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor return DTN->CanonicalTemplateName; 266025a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 266125a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 2662db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 2663db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 2664db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 2665db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 2666db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 2667db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 26681eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 26691275ae098acda31fe0e434510c729fcfed0458a1Douglas GregorASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) { 26701275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 26711275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 26721275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26741275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 26751275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 26761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26771275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Declaration: 2678833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(Arg.getAsDecl()->getCanonicalDecl()); 26791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2680788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 2681788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 2682788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor 26831275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 2684833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(*Arg.getAsIntegral(), 26851275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor getCanonicalType(Arg.getIntegralType())); 26861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26871275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 2688833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 26891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26901275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 26911275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // FIXME: Allocate in ASTContext 26921275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument *CanonArgs = new TemplateArgument[Arg.pack_size()]; 26931275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 26941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 26951275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 26961275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 26971275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 26981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26991275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor TemplateArgument Result; 27001275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor Result.setArgumentPack(CanonArgs, Arg.pack_size(), false); 27011275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Result; 27021275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 27031275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 27041275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 27051275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 27061275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor assert(false && "Unhandled template argument kind"); 27071275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return TemplateArgument(); 27081275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 27091275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 2710d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 2711d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) { 27121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 2713d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2714d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2715d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 2716d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 2717d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 27181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 2719d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 2720d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 2721d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2722d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 2723d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 2724d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 2725d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NestedNameSpecifier::Create(*this, 0, NNS->getAsNamespace()); 2726d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2727d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 2728d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 2729d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 27301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 0, 27311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump NNS->getKind() == NestedNameSpecifier::TypeSpecWithTemplate, 2732d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor T.getTypePtr()); 2733d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2734d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2735d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 2736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 2737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 2738d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2739d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2740d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Required to silence a GCC warning 2741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 2742d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2743d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2744c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 2745c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattnerconst ArrayType *ASTContext::getAsArrayType(QualType T) { 2746c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 2747a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 2748c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 2749c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 2750c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 2751c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 27521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 2754c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType CType = T->getCanonicalTypeInternal(); 27550953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (!isa<ArrayType>(CType)) 2756c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 27571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 2759c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 2760c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 27611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2762c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 2763c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 276450d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 27650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 27660953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 27670953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *Ty = Qs.strip(T.getDesugaredType()); 27681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2769c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 2770c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *ATy = dyn_cast<ArrayType>(Ty); 27710953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (ATy == 0 || Qs.empty()) 2772c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 27731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2774c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 2775c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 2776c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the canonical version of the element with the extra qualifiers on it. 2777c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // This can recursively sink qualifiers through multiple levels of arrays. 27780953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), Qs); 27791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2780c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 2781c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 2782c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 27830953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 2784c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 2785c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 2786c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 27870953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 2788898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 27891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 2790898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 2791898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 27921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 2793bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr() ? 2794bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman DSAT->getSizeExpr()->Retain() : 0, 2795898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 27960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 27977e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 27981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2799c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 28007e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 2801bbed6b964414145b29e7b60b3e538093734ea3f8Eli Friedman VAT->getSizeExpr() ? 28020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getSizeExpr()->Retain() : 0, 2803c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 28040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 28057e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 280677c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 280777c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 2808e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 2809e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 2810e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 2811e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 2812e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 2813e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 2814e6327747b72bb687c948270f702ff53c30f411a6Chris LattnerQualType ASTContext::getArrayDecayedType(QualType Ty) { 2815c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 2816c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 2817c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 2818c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 2819c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 2820c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 28211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2822c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 2823e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 2824e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 28250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 2826e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 2827e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 28285e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas GregorQualType ASTContext::getBaseElementType(QualType QT) { 28290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Qs; 28300237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer while (const ArrayType *AT = getAsArrayType(QualType(Qs.strip(QT), 0))) 28310237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer QT = AT->getElementType(); 28320237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer return Qs.apply(QT); 28335e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 28345e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 2835fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders CarlssonQualType ASTContext::getBaseElementType(const ArrayType *AT) { 2836fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson QualType ElemTy = AT->getElementType(); 28371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2838fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson if (const ArrayType *AT = getAsArrayType(ElemTy)) 2839fbbce49c116aa8c8c7c0707cb6048b55f70461a9Anders Carlsson return getBaseElementType(AT); 28401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 28416183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson return ElemTy; 28426183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 28436183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 28440de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 28451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 28460de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 28470de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 28480de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 28490de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 28500de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 28510de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 28520de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 28530de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 28540de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 28555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 28565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 2857a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 2858183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 28595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 2860a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 2861183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 2862183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 2863a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner default: assert(0 && "getFloatingRank(): not a floating type"); 28645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 28655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 28665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 28675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 28711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 2872716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 2873716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 28741361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 28751361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 28761361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 28771361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 28781361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 2879716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff default: assert(0 && "getFloatingRank(): illegal value for rank"); 2880f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 2881f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 2882f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 2883f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 2884f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 28851361b11066239ea15764a2a844405352d87296b3Chris Lattner 28861361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 28871361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 28881361b11066239ea15764a2a844405352d87296b3Chris Lattner default: assert(0 && "getFloatingRank(): illegal value for rank"); 28891361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 28901361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 28911361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 28925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 28935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 28945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 28957cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 28967cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 28977cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 28981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 2899a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) { 2900a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 2901a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 29021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2903a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 2904fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 2905a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 2906fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 2907fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 29085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 29095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2910f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 2911f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 2912f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 2913f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedmanunsigned ASTContext::getIntegerRank(Type *T) { 2914467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 2915f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman if (EnumType* ET = dyn_cast<EnumType>(T)) 2916842aef8d942a880eeb9535d40de31a86838264cbJohn McCall T = ET->getDecl()->getPromotionType().getTypePtr(); 2917f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman 2918a34267595534a72703290153a6f7e3da1adcec59Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::WChar)) 2919a34267595534a72703290153a6f7e3da1adcec59Eli Friedman T = getFromTargetType(Target.getWCharType()).getTypePtr(); 2920a34267595534a72703290153a6f7e3da1adcec59Eli Friedman 2921f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char16)) 2922f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar16Type()).getTypePtr(); 2923f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2924f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (T->isSpecificBuiltinType(BuiltinType::Char32)) 2925f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith T = getFromTargetType(Target.getChar32Type()).getTypePtr(); 2926f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 2927f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 29287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner default: assert(0 && "getIntegerRank(): not a built-in integer"); 29297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 2930f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 29317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 29327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 29337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 29347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 2935f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 29367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 29377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 2938f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 29397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 29407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 2941f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 29427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 29437cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 2944f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 29457cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 29467cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 2947f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 29482df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 29492df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 29502df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 2951f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 2952f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 2953f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 295404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 295504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 295604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 295704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 295804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 295904e8357f6801e9ff52673e7e899a67bbabf9de93Eli FriedmanQualType ASTContext::isPromotableBitField(Expr *E) { 2960ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 2961ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 2962ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 296304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 296404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 296504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 296604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 296704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 296804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 296904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman llvm::APSInt BitWidthAP = Field->getBitWidth()->EvaluateAsInt(*this); 297004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t BitWidth = BitWidthAP.getZExtValue(); 297104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 297204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 297304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 297404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 297504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 297604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 297704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 297804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 297904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 298004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 298104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 298204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 298304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 298404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 298504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 298604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 298704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 2988a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 2989a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 2990a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 2991a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType ASTContext::getPromotedIntegerType(QualType Promotable) { 2992a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 2993a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 2994842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 2995842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 2996a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 2997a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 2998a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 2999a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3000a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3001a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3002a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3003a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 30041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 30057cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 30061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 30077cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattnerint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) { 3008f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3009f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Type *RHSC = getCanonicalType(RHS).getTypePtr(); 30107cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 30111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3012f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3013f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 30141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 30167cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 30171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 30197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 30207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 30217cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 30247cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 30257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 30267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 30277cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30307cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30337cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 30347cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 30357cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 30367cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 30377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 30381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30397cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 30407cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 30411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 30427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 30435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 304471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 304579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 304679cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders CarlssonCreateRecordDecl(ASTContext &Ctx, RecordDecl::TagKind TK, DeclContext *DC, 304779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson SourceLocation L, IdentifierInfo *Id) { 304879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson if (Ctx.getLangOptions().CPlusPlus) 304979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return CXXRecordDecl::Create(Ctx, TK, DC, L, Id); 305079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 305179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson return RecordDecl::Create(Ctx, TK, DC, L, Id); 305279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 305379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 30541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 305571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders CarlssonQualType ASTContext::getCFConstantStringType() { 305671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 30571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3058465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 305979cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 30605cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 306179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3062f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 30631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 306471993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 30650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3066f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3067f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 306871993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 30690953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 307071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 30711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 30721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 307344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 307444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 30751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 307644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3077a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 30781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 30794afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 30802888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 308117945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 308244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 308344b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3084838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 308571993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 30861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 308771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 30888467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3089b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3090319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 30916217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3092319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3093319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3094319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3095319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 30962bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian// getNSConstantStringType - Return the type used for constant NSStrings. 30972bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz JahanianQualType ASTContext::getNSConstantStringType() { 30982bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian if (!NSConstantStringTypeDecl) { 30992bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = 3100465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 31012bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian &Idents.get("__builtin_NSString")); 31022bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->startDefinition(); 31032bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31042bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian QualType FieldTypes[3]; 31052bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31062bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const int *isa; 31072bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[0] = getPointerType(IntTy.withConst()); 31082bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // const char *str; 31092bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[1] = getPointerType(CharTy.withConst()); 31102bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // unsigned int length; 31112bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[2] = UnsignedIntTy; 31122bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31132bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian // Create fields 31142bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian for (unsigned i = 0; i < 3; ++i) { 31152bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldDecl *Field = FieldDecl::Create(*this, NSConstantStringTypeDecl, 31162bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian SourceLocation(), 0, 31172bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian FieldTypes[i], /*TInfo=*/0, 31182bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*BitWidth=*/0, 31192bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian /*Mutable=*/false); 31202888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 31212bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->addDecl(Field); 31222bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31232bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31242bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl->completeDefinition(); 31252bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian } 31262bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31272bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian return getTagDeclType(NSConstantStringTypeDecl); 31282bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31292bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31302bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanianvoid ASTContext::setNSConstantStringType(QualType T) { 31312bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian const RecordType *Rec = T->getAs<RecordType>(); 31322bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian assert(Rec && "Invalid NSConstantStringType"); 31332bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian NSConstantStringTypeDecl = Rec->getDecl(); 31342bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian} 31352bb5ddaff86ee73d2cea7ec1835978afc88a83f0Fariborz Jahanian 31361eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getObjCFastEnumerationStateType() { 3137bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson if (!ObjCFastEnumerationStateTypeDecl) { 313844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor ObjCFastEnumerationStateTypeDecl = 3139465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 314079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__objcFastEnumerationState")); 31415cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall ObjCFastEnumerationStateTypeDecl->startDefinition(); 31421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3143bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson QualType FieldTypes[] = { 3144bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson UnsignedLongTy, 3145de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff getPointerType(ObjCIdTypedefType), 3146bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getPointerType(UnsignedLongTy), 3147bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson getConstantArrayType(UnsignedLongTy, 3148bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson llvm::APInt(32, 5), ArrayType::Normal, 0) 3149bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson }; 31501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 315144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (size_t i = 0; i < 4; ++i) { 31521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, 31531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ObjCFastEnumerationStateTypeDecl, 31541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation(), 0, 3155a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 31561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 31574afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor /*Mutable=*/false); 31582888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 315917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis ObjCFastEnumerationStateTypeDecl->addDecl(Field); 316044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 31611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3162838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor ObjCFastEnumerationStateTypeDecl->completeDefinition(); 3163bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson } 31641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3165bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson return getTagDeclType(ObjCFastEnumerationStateTypeDecl); 3166bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson} 3167bd4c1ada2e8668f43a865dc2c662085cf61940c4Anders Carlsson 3168adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike StumpQualType ASTContext::getBlockDescriptorType() { 3169adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3170adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3171adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3172adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3173adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3174465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 317579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 31765cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3177adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3178adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3179adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3180adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3181adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3182adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3183adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3184adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3185083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3186adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3187adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3188adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3189adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3190adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T, 3191adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3192adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3193a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3194adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 3195adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*Mutable=*/false); 31962888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3197adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3198adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3199adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3200838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3201adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3202adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3203adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3204adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3205adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3206adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3207adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stumpvoid ASTContext::setBlockDescriptorType(QualType T) { 3208adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3209adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3210adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = Rec->getDecl(); 3211adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3212adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3213083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike StumpQualType ASTContext::getBlockDescriptorExtendedType() { 3214083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3215083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3216083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3217083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3218083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3219465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 322079cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 32215cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3222083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3223083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3224083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3225083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3226083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3227083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3228083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3229083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3230083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3231083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3232083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3233083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3234083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3235083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3236083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3237083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3238083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump FieldDecl *Field = FieldDecl::Create(*this, 3239083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T, 3240083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3241083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3242a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3243083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 3244083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*Mutable=*/false); 32452888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3246083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 3247083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 3248083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3249838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3250083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3251083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 3252083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3253083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3254083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3255083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3256083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stumpvoid ASTContext::setBlockDescriptorExtendedType(QualType T) { 3257083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const RecordType *Rec = T->getAs<RecordType>(); 3258083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump assert(Rec && "Invalid BlockDescriptorType"); 3259083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = Rec->getDecl(); 3260083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 3261083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3262af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stumpbool ASTContext::BlockRequiresCopying(QualType Ty) { 3263af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isBlockPointerType()) 3264af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3265af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (isObjCNSObjectType(Ty)) 3266af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3267af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (Ty->isObjCObjectPointerType()) 3268af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 3269af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 3270af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 3271af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 32724087f27e5416c799bcb6be072f905be752acb61cDaniel DunbarQualType ASTContext::BuildByRefType(llvm::StringRef DeclName, QualType Ty) { 3273af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 3274ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 3275af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 3276ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 3277ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 3278a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 3279a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 3280af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 3281ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 3282ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3283af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 3284af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3285af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 3286f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3287f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 3288f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 3289af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 3290465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 329179cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 3292af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 3293af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 3294af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 3295af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 3296af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3297af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 3298af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3299af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 3300af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3301af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 3302af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 3303af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3304af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 33054087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar llvm::StringRef FieldNames[] = { 3306af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 3307af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 3308af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 3309af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 3310af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 3311af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 3312af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 3313af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 3314af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3315af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 3316af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 3317af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 3318af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3319af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 3320a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3321af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump /*BitWidth=*/0, /*Mutable=*/false); 33222888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3323af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 3324af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 3325af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3326838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3327af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 3328af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 3329ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 3330ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3331ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3332ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike StumpQualType ASTContext::getBlockParmType( 3333083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump bool BlockHasCopyDispose, 3334ea1471e0e967548c596a71469702f8846dbaf3c0John McCall llvm::SmallVectorImpl<const Expr *> &Layout) { 3335ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3336adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Move up 3337f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::SmallString<36> Name; 3338f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__block_literal_" 3339f5942a44880be26878592eb052b737579349411eBenjamin Kramer << ++UniqueBlockParmTypeID; 3340adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3341465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, SourceLocation(), 334279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get(Name.str())); 33435cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3344adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3345adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3346adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3347adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump IntTy, 3348adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump getPointerType(VoidPtrTy), 3349083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump (BlockHasCopyDispose ? 3350083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorExtendedType()) : 3351083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(getBlockDescriptorType())) 3352adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3353adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3354adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3355adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__isa", 3356adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__flags", 3357adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__reserved", 3358adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__FuncPtr", 3359adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "__descriptor" 3360adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3361adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3362adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 5; ++i) { 3363ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3364adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3365a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3366ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 33672888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3368ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump T->addDecl(Field); 3369ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3370ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3371ea1471e0e967548c596a71469702f8846dbaf3c0John McCall for (unsigned i = 0; i < Layout.size(); ++i) { 3372ea1471e0e967548c596a71469702f8846dbaf3c0John McCall const Expr *E = Layout[i]; 3373ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 3374ea1471e0e967548c596a71469702f8846dbaf3c0John McCall QualType FieldType = E->getType(); 3375ea1471e0e967548c596a71469702f8846dbaf3c0John McCall IdentifierInfo *FieldName = 0; 3376ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (isa<CXXThisExpr>(E)) { 3377ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = &Idents.get("this"); 3378ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else if (const BlockDeclRefExpr *BDRE = dyn_cast<BlockDeclRefExpr>(E)) { 3379ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump const ValueDecl *D = BDRE->getDecl(); 3380ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName = D->getIdentifier(); 3381ea1471e0e967548c596a71469702f8846dbaf3c0John McCall if (BDRE->isByRef()) 33824087f27e5416c799bcb6be072f905be752acb61cDaniel Dunbar FieldType = BuildByRefType(D->getName(), FieldType); 3383ea1471e0e967548c596a71469702f8846dbaf3c0John McCall } else { 3384ea1471e0e967548c596a71469702f8846dbaf3c0John McCall // Padding. 3385ea1471e0e967548c596a71469702f8846dbaf3c0John McCall assert(isa<ConstantArrayType>(FieldType) && 3386ea1471e0e967548c596a71469702f8846dbaf3c0John McCall isa<DeclRefExpr>(E) && 3387ea1471e0e967548c596a71469702f8846dbaf3c0John McCall !cast<DeclRefExpr>(E)->getDecl()->getDeclName() && 3388ea1471e0e967548c596a71469702f8846dbaf3c0John McCall "doesn't match characteristics of padding decl"); 3389ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump } 3390ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3391ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3392ea1471e0e967548c596a71469702f8846dbaf3c0John McCall FieldName, FieldType, /*TInfo=*/0, 3393ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump /*BitWidth=*/0, /*Mutable=*/false); 33942888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3395adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3396adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3397adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3398838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3399ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 3400ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump return getPointerType(getTagDeclType(T)); 3401adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3402adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3403319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setObjCFastEnumerationStateType(QualType T) { 34046217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3405319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid ObjCFAstEnumerationStateType"); 3406319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor ObjCFastEnumerationStateTypeDecl = Rec->getDecl(); 3407319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3408319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 3409e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 3410e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 34112d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 3412e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 3413bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 3414bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 34151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 341685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 341785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 341885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 3419a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 342033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 3421aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen DyckCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) { 3422199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 34231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 342433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 34252ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 3426199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 342733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 342833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 3429199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 3430aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 3431199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 3432199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 3433199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 3434199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 3435199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 343633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 343733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 34386f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian/// getObjCEncodingForBlockDecl - Return the encoded type for this block 34395e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 34405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnallvoid ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr, 34415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall std::string& S) { 34425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 34435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 34445e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 34455e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 3446c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 34475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 34485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 34495e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 34505e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 3451199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 3452199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 34536f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 34545e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 34555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 3456aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3457199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 34585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 34595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 34605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 3461199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 34625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 34635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 34645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 34655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 34665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 34675e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 34685e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 34695e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 34705e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 34715e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 34725e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 34735e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 34745e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 34755e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 34765e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 34775e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 34785e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 34795e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 34805e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 3481199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3482aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 34835e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 34845e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 34855e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 3486a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 348733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 34881eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 3489e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3490c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3491ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Encode type qualifer, 'in', 'inout', etc. for the return type. 3492a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek getObjCEncodingForTypeQualifier(Decl->getObjCDeclQualifier(), S); 349333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Encode result type. 34940d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(Decl->getResultType(), S); 349533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 349633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 349733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 349833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 3499199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 350033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 350133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 3502199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 350389951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 35047732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 350589951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 3506aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 3507199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 3508199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 350933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 351033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 3511199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 351233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 3513199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 35141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 351533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 351633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 351789951a86b594513c2a013532ed45d197413b1087Chris Lattner for (ObjCMethodDecl::param_iterator PI = Decl->param_begin(), 35187732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 351989951a86b594513c2a013532ed45d197413b1087Chris Lattner ParmVarDecl *PVDecl = *PI; 35201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 35214306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 3522ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 3523ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 3524ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 3525bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 3526ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3527ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 3528ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 3529ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian // Process argument qualifiers for user supplied arguments; such as, 353033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // 'in', 'inout', etc. 35314306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian getObjCEncodingForTypeQualifier(PVDecl->getObjCDeclQualifier(), S); 35320d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar getObjCEncodingForType(PType, S); 3533199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 3534aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 353533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 353633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 353733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 3538c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 353983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 3540c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 3541c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 35421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 35431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 35441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 35451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 35461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 354783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 354883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 354983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 355083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 355183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 355283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 355383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 355483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 355583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 355683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 355783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyType = 't' // followed by old-style type encoding. 355883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 355983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 356083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 356183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 356283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 35631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 3564c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 3565e6db3b09a79d4affaa5c7becbfb6bba3c08430c1Chris Lattner std::string& S) { 3566c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 3567c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 3568c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 3569c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3570c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 3571c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 35721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 3573c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 3574c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 357517945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 3576653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3577c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3578c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3579c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3580c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3581c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3582c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3583c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3584c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3585c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3586c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 358761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 3588c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 358917945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 3590653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 3591c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *PID = *i; 3592c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 3593c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 3594c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 3595c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3596c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 3597c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3598c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 35991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 3600c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3601c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3602c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3603c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 3604c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 3605c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3606c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 3607090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 3608090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 36091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 3610090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 3611090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 3612c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3613c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 3614c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 3615c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 3616c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 3617c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 3618c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 36191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 3620c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3621c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3622c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3623c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 3624c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 3625c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 3626c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 3627c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3628090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 3629090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 36301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3631c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 3632c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 3633077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 3634c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3635c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3636c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 3637c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 3638077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 3639c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3640c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3641c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 3642c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 3643c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 364439f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 3645c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 3646c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3647c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 3648c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 3649c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 3650a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 36511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 36521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 3653a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 3654a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 3655a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 36568e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 3657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 3658c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::ULong && 3659c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3660a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 36611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 3662c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian if (BT->getKind() == BuiltinType::Long && 3663c657eba43f0159bd81227fa0812b92a0b03f00d0Fariborz Jahanian ((const_cast<ASTContext *>(this))->getIntWidth(PointeeTy) == 32)) 3664a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 3665a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3666a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3667a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 3668a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 36697d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 3670153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *Field) { 367182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 367282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 367382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 367482a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 36751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 36765b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 367782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 367882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 367964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 368064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 368164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall default: assert(0 && "Unhandled builtin type kind"); 368264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 368364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 368464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 368564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 368664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 368764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 368864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 368964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 369064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'L' : 'Q'; 369164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 369264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 369364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 369464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 369564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 369624da7093a84e4eb92731e0565ab655697b2ed08fJohn McCall case BuiltinType::WChar: 369764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 369864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 369964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return 370064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall (const_cast<ASTContext *>(C))->getIntWidth(T) == 32 ? 'l' : 'q'; 370164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 370264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 370364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 370464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 37053a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 370664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 370764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 370864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 37091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic void EncodeBitField(const ASTContext *Context, std::string& S, 371064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 37118b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian const Expr *E = FD->getBitWidth(); 37128b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian assert(E && "bitfield width not there - getObjCEncodingForTypeImpl"); 37138b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian ASTContext *Ctx = const_cast<ASTContext*>(Context); 37148b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 371564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 371664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 371764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 371864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 371964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 372064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 372164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 372264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 372364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 372464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 372564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 372664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 372764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 372864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 372964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 373064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (!Ctx->getLangOptions().NeXTRuntime) { 373164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 373264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 373364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // FIXME: This same linear search is also used in ExprConstant - it might 373464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // be better if the FieldDecl stored its offset. We'd be increasing the 373564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // size of the object slightly, but saving some time every time it is used. 373664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned i = 0; 373764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall for (RecordDecl::field_iterator Field = RD->field_begin(), 373864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall FieldEnd = RD->field_end(); 373964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall Field != FieldEnd; (void)++Field, ++i) { 374064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (*Field == FD) 374164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall break; 374264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 374364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += llvm::utostr(RL.getFieldOffset(i)); 374464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(Context, T); 374564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 374664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall unsigned N = E->EvaluateAsInt(*Ctx).getZExtValue(); 37478b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += llvm::utostr(N); 37488b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 37498b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 375001eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 375182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 375282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 375382a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 3754153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 3755090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 37566ab3524f72a6e64aa04973fa9433b5559abb3525Douglas Gregor bool EncodingProperty) { 375764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 3758ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 375964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 376064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 3761ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3762ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 37631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3764183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 3765c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 37661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 3767c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 3768ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3769ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 377060bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 3771aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 3772aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 37736217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 37748d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 37758d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 37768d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 37778d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 3778aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 3779aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 3780aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 3781aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 3782aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 3783a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 3784a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 3785a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 3786a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 37871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 37888e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 3789a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 3790a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3791a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3792a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 37939fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 3794a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 37956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 37966217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 3797a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 3798a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 3799a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 3800a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3801a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 3802a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 3803a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 3804a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 3805a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 38060237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer if (llvm::StringRef(S).endswith("nr")) 38070237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 3808a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 38091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 381085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 381185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 381285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 3813e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 381485f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 381585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 381685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 38176217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 38189533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 38199533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 38209533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 38219533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 38229533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 38239533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 38249533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 38259533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 38269533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 38279533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 38289533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 382985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 383085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 3831a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 3832a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 38331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 383443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 3835ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3836ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3837aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 3838ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 3839ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 3840ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 3841559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (isa<IncompleteArrayType>(AT)) { 3842559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 3843559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 3844559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 38451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3846559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3847559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 3848559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 38491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3850559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) 3851559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += llvm::utostr(CAT->getSize().getZExtValue()); 3852559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson else { 3853559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 3854559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson assert(isa<VariableArrayType>(AT) && "Unknown array type!"); 3855559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 3856559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 38571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 3859559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 3860559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 3861559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 3862ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3863ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3865183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 3866c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 3867ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3868ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 38691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38706217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 387182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 3872d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 3873502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 3874502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 3875502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 38766fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 38776fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 38786fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 38796fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 38806fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 38816fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.getFlatArgumentList(), 38826fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian TemplateArgs.flat_size(), 38836fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian (*this).PrintingPolicy); 38846fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 38856fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 38866fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 3887502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 3888502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 3889502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 38900d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 38917d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 389217945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 389317945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 389444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor Field != FieldEnd; ++Field) { 389543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (FD) { 3896d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 389744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor S += Field->getNameAsString(); 3898d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += '"'; 3899d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 39001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3901d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar // Special case bit-fields. 390243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian if (Field->isBitField()) { 39031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 390443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian (*Field)); 3905d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } else { 3906a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType qt = Field->getType(); 3907a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(qt); 39081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(qt, S, false, true, 390943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian FD); 3910d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 39117d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 39126de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 3913d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 3914ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3915ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 3916e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 3917ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isEnumeralType()) { 39188b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 391964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 39208b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 39218b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'i'; 3922ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3923ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3925ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (T->isBlockPointerType()) { 392621a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 3927ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 3928ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 3931c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 3932c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 3933c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 39340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 393543822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 39360953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 393743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 393843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 393943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 394043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 39412c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian llvm::SmallVector<ObjCIvarDecl*, 32> Ivars; 39422c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 39432c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 39442c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 39452c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 39462c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 394743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 39482c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 394943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 395043822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 3951ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 395243822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 39531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3954183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 395514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 395614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 395714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3958ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 396027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 396127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 396227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 396327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 396414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 396514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3966ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3968ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 39691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 397014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 397114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 397214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (FD || EncodingProperty) { 397314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 397414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 397514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 397667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 397767ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 397814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 397914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 398014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 398114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 398214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 398314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 398414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 3985ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 39861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3987ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 3988ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 3989ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 3990ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 39911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 3992ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 3993ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 39941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 39951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 3996ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 399714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 399814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 3999ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4000ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 400127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->getInterfaceDecl() && (FD || EncodingProperty)) { 4002ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 400327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 400467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 400567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4006ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4007ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4008ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 40091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4010ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4011ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4012ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4013ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 40141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4015532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4016532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4017532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4018532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4019e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4020e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4021e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4022e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4023e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4024e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4025e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4026e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4027ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner assert(0 && "@encode for type not implemented!"); 402885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 402985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 40301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4031ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4032ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4033ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4034ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4035ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4036ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4037ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4038ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4039ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4040ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4041ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4042ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4043ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4044ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4045ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 4046ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setBuiltinVaListType(QualType T) { 4047b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson assert(BuiltinVaListType.isNull() && "__builtin_va_list type already set!"); 40481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4049b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson BuiltinVaListType = T; 4050b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson} 4051b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 4052ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCIdType(QualType T) { 4053de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCIdTypedefType = T; 40547e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 40557e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 4056ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCSelType(QualType T) { 405713dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian ObjCSelTypedefType = T; 4058b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 4059b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 4060ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCProtoType(QualType QT) { 4061a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCProtoType = QT; 4062390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian} 4063390d50a725497e99247dc104a7d2c2a255d3af14Fariborz Jahanian 4064ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattnervoid ASTContext::setObjCClassType(QualType T) { 4065de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff ObjCClassTypedefType = T; 40668baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 40678baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 4068a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 40691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 40702198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 40711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4072a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 40732198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 40742198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 40750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 40760bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 4077eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCallTemplateName ASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 4078eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall UnresolvedSetIterator End) { 40790bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 40800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 40817532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40820bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 40830bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 40840bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 40850bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 40860bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 4087eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 40880bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 40890bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 40900bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 40910bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 40920bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 40937532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 40947532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 40950bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 40967532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 40977532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4098d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 4099d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 41001eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 4101d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor bool TemplateKeyword, 41020bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall TemplateDecl *Template) { 4103789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 4104d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 4105d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 41061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4107d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 4108d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 41090bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4110d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 4111d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 4112d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 4113d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 41141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4115d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 4116d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 4117d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 41187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 41197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 41201eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateName ASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 41217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const IdentifierInfo *Name) { 41221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 41233b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 41247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 41267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 41277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 41297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 41307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 41317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 41337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 41347532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41357532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 41367532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 41377532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 41387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 41397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 41407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 4141789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 4142789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4143789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 4144789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 41457532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 41467532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 41477532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 41487532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 41497532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 41507532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 4151ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 4152ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 4153ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 4154ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 4155ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor OverloadedOperatorKind Operator) { 4156ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 4157ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 4158ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4159ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 4160ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 4161ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4162ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 4163789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 4164789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4165ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4166ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 4167ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4168ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4169ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 4170ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 4171ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 4172ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 4173ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 4174ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 4175789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 4176789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 4177789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 4178789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 4179789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 4180ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 4181ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4182ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 4183ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 4184ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 4185ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 4186b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 4187d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 4188d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 4189e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 4190b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 4191e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 4192b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 4193b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 4194b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 4195b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 4196b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 4197b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 4198b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 4199b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 4200b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 4201b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 4202b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor assert(false && "Unhandled TargetInfo::IntType value"); 4203e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall return CanQualType(); 4204b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 4205b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4206b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4207b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 4208b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 4209b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 4210fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// isObjCNSObjectType - Return true if this is an NSObject object using 4211fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// NSObject attribute on a c-style pointer type. 4212fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// FIXME - Make it work directly on types. 4213f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff/// FIXME: Move to Type. 4214fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian/// 4215fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanianbool ASTContext::isObjCNSObjectType(QualType Ty) const { 4216fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefType *TDT = dyn_cast<TypedefType>(Ty)) { 4217fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian if (TypedefDecl *TD = TDT->getDecl()) 421840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis if (TD->getAttr<ObjCNSObjectAttr>()) 4219fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian return true; 4220fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian } 42211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return false; 4222fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian} 4223fa23c1d9adc99c662c1c0e192817185809d95614Fariborz Jahanian 42244fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 42254fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 42264fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 42270953e767ff7817f97b3ab20896b229891eeff45bJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(const QualType &Ty) const { 42280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GCAttrs = Qualifiers::GCNone; 42294fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian if (getLangOptions().ObjC1 && 42304fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian getLangOptions().getGCMode() != LangOptions::NonGC) { 4231b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner GCAttrs = Ty.getObjCGCAttr(); 42324fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian // Default behavious under objective-c's gc is for objective-c pointers 42331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // (or pointers to them) be treated as though they were declared 4234a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian // as __strong. 42350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GCAttrs == Qualifiers::GCNone) { 423675212ee91313bc1b6dd826d9b173541bc4016539Fariborz Jahanian if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 42370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall GCAttrs = Qualifiers::Strong; 4238a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian else if (Ty->isPointerType()) 42396217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 4240a223cca7751637f8ec1a860010c4148757fb4752Fariborz Jahanian } 4241c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // Non-pointers have none gc'able attribute regardless of the attribute 4242c2112181b96349eb595dc5e8b7073b81ecdec0dbFariborz Jahanian // set on them. 4243f49545602089be5b1f744e04326b8a566f6d8773Steve Naroff else if (!Ty->isAnyPointerType() && !Ty->isBlockPointerType()) 42440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return Qualifiers::GCNone; 42454fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 4246b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 42474fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 42484fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 42496ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 42506ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 42516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 4252770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 42531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 42546ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 42556ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 42566ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 4257467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 42586ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 425961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 42606ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 42616ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4262255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 4263255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 4264255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 4265255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 4266255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4267255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 4268255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4269255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4270255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor // AltiVec vectors types are identical to equivalent GCC vector types 4271255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 4272255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 4273255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if ((((First->getAltiVecSpecific() == VectorType::AltiVec) && 4274255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::NotAltiVec)) || 4275255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor ((First->getAltiVecSpecific() == VectorType::NotAltiVec) && 4276255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (Second->getAltiVecSpecific() == VectorType::AltiVec))) && 4277255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 4278255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor (First->getNumElements() == Second->getNumElements())) 4279255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 4280255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 4281255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 4282255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 4283255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 42844084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 42854084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 42864084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 42874084c306635b70f37029dca938444e6013f08684Steve Naroff 42884084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 42894084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 42900fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanianbool ASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 42910fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian ObjCProtocolDecl *rProto) { 42924084c306635b70f37029dca938444e6013f08684Steve Naroff if (lProto == rProto) 429314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 42944084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 42954084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 42964084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 42974084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 42984084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 42994084c306635b70f37029dca938444e6013f08684Steve Naroff} 430014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 43014084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 43024084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 43034084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 43044084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 43054084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 43064084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 43074084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43084084c306635b70f37029dca938444e6013f08684Steve Naroff} 43094084c306635b70f37029dca938444e6013f08684Steve Naroff 4310a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 4311a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 4312a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 4313a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 4314a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 4315a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 4316a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 4317a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4318a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 4319a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 4320a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 4321a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 4322a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 4323a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 4324a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 4325a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 4326a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 4327a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 4328a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4329a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4330a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 4331a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 4332a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 4333a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 4334a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 4335a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 43364084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 43374084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 43384084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 43394084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 43404084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 43411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 43424084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 43434084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 43454084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 43464084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43474084c306635b70f37029dca938444e6013f08684Steve Naroff 43484084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 4349183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 43501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43514084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 43521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 43534084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 43541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 43554084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 43564084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 43574084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43584084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43594084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43604084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43614084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43620fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 43634084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 43644084c306635b70f37029dca938444e6013f08684Steve Naroff } 43654084c306635b70f37029dca938444e6013f08684Steve Naroff } 43664084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 43674084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 43684084c306635b70f37029dca938444e6013f08684Steve Naroff } 43691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 43704084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43714084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43724084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 43734084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 4374de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 4375de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 4376de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 4377de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 43784084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 43794084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 43804084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 43814084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 43824084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 43834084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43848f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 43858f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 4386de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 43871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 43884084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 43894084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 43904084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 43914084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 43924084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 43934084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 43944084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 43950fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 43964084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 43974084c306635b70f37029dca938444e6013f08684Steve Naroff break; 43984084c306635b70f37029dca938444e6013f08684Steve Naroff } 43994084c306635b70f37029dca938444e6013f08684Steve Naroff } 44004084c306635b70f37029dca938444e6013f08684Steve Naroff } 44014084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 4402de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 4403de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4405de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 4406de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 44071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44084084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 44094084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 44104084c306635b70f37029dca938444e6013f08684Steve Naroff 44111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 44124084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 44134084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhsOPT->qual_empty()) { 44144084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 44154084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 44164084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = rhsQID->qual_begin(), 44174084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); I != E; ++I) { 4418d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 4419d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // static class must implement all of id's protocols directly or 4420d1909bbc8aa8b468527250766c8f4e67379da2d6Fariborz Jahanian // indirectly through its super class. 4421192b1464dce385ac1947eb8258c3a0cd4444c726Fariborz Jahanian if (lhsID->ClassImplementsProtocol(*I, true)) { 44224084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44234084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44244084c306635b70f37029dca938444e6013f08684Steve Naroff } 44254084c306635b70f37029dca938444e6013f08684Steve Naroff } 44264084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 44274084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44284084c306635b70f37029dca938444e6013f08684Steve Naroff } 44294084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44304084c306635b70f37029dca938444e6013f08684Steve Naroff } 44311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 44324084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 44334084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 44344084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 44354084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 44364084c306635b70f37029dca938444e6013f08684Steve Naroff 44374084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 44384084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 44394084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 44404084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 44414084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 44424084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 44434084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 44444084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 44454084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 44464084c306635b70f37029dca938444e6013f08684Steve Naroff break; 44474084c306635b70f37029dca938444e6013f08684Steve Naroff } 44484084c306635b70f37029dca938444e6013f08684Steve Naroff } 44494084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 44504084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44514084c306635b70f37029dca938444e6013f08684Steve Naroff } 44524084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44534084c306635b70f37029dca938444e6013f08684Steve Naroff } 44544084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 44554084c306635b70f37029dca938444e6013f08684Steve Naroff} 44564084c306635b70f37029dca938444e6013f08684Steve Naroff 44574084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 44584084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 44594084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 44604084c306635b70f37029dca938444e6013f08684Steve Naroff/// 44614084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 44624084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 4463c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4464c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4465c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 44664084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 4467c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 4468c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 44694084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 44704084c306635b70f37029dca938444e6013f08684Steve Naroff 4471c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 44721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 44731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 44744084c306635b70f37029dca938444e6013f08684Steve Naroff false); 4475a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4476a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 4477a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 4478a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 4479a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 4480c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 4481c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 44824084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 44831eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 44844084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 448514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 448614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 4487132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 4488132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// for providing type-safty for objective-c pointers used to pass/return 4489132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 4490132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 4491132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 4492132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 4493132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4494132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *RHSOPT) { 4495a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 4496132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4497132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4498132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 4499132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 4500132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4501132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4502a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 4503132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 4504132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 4505132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 4506132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4507132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 4508132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 4509132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 4510132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 4511132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 4512132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4513132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 4514132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4515132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4516132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4517132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 4518132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 4519132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 4520132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4521132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 4522e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 4523e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 4524e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 4525e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 4526e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 4527e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 4528e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 4529e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 4530e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 4531e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4532c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 4533c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 4534c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 4535c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 4536e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4537e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 4538e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 4539e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 4540e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 4541e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4542432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 4543c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 4544c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 4545e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 4546e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 4547e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4548e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4549e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 4550e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 4551cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 4552cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 4553e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 4554e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 4555e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 4556e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4557e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 4558432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 4559c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 4560c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 4561432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 4562432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 4563432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 4564432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 4565432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 4566e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4567e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 4568e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 4569db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 4570db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 4571db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 4572db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 4573db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 4574c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 4575c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 4576c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 4577c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 4578c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 4579c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 4580c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LDecl || !RDecl) 4581db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4582db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4583c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall while ((LDecl = LDecl->getSuperClass())) { 4584c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 4585e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 4586c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::SmallVector<ObjCProtocolDecl *, 8> Protocols; 4587c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 4588c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4589c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 4590c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 4591c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 4592c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 4593c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 4594e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 4595db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian } 4596db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4597db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 4598db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 4599db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 4600c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 4601c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 4602c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 4603c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 4604c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 46056ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 46066ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 4607c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 46086ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 46091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46106ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 46116ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 4612c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 46136ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 46141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46156ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, then it 46166ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // isn't a superset. 4617c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (RHS->getNumProtocols() == 0) 46186ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; // FIXME: should return false! 46191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4620c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 4621c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 462291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 462391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 462491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 462591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 462691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 4627c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 4628c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 46298f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 46308f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 463191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 46328f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 46338f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 463491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 463591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 463691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 463791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 463891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 463991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 464091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 46416ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 46426ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 4643389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 4644389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 4645183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 4646183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 46471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 464814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 4649389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 465014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 465114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 465214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 4653389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 4654389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 4655569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 4656569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 4657569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 4658569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 4659569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 4660569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 46611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 4662ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 46631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 4664ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 4665447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 4666447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 46670e709abafbd939326850501f795cc7a92c88a354Douglas Gregor if (getLangOptions().CPlusPlus) 46680e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 46690e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 4670447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 46713d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 46723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4673132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 4674132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 4675132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 4676132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 46774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 46784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 46794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 46804846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 46814846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 46824846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 46834846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 46844846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 46854846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 46864846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 46874846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 46884846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType ET = it->getType(); 46894846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 46904846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 46914846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 46924846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 46934846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 46944846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 46954846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 46964846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 46974846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 46984846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 46994846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 47004846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 47014846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 47024846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 47034846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 47044846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 47054846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 47064846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 47074846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 47084846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 47094846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 47104846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 47114846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47124846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 47134846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 47144846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 47154846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 47164846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 47174846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 47184846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 47194846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 4720132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 4721447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4722447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 4723183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 4724183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 472572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 472672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 47273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 47283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 47293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 4731132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 4732132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) 4733447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(rbase->getResultType(), lbase->getResultType(), true, 4734447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 4735132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 4736447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), 4737447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor false, Unqualified); 47383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 4739447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4740447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4741447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 4742447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4743447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 4744447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 4745447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4746447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 4747447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 4748447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4749447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4750447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 475161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 4752447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 475361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 47546a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 47556a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 47566a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 47576a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 4758264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 4759264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 47606a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar unsigned RegParm = lbaseInfo.getRegParm() == 0 ? rbaseInfo.getRegParm() : 47616a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar lbaseInfo.getRegParm(); 47626a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 47636a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != lbaseInfo.getNoReturn() || 47646a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != lbaseInfo.getRegParm()) 47656a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 47666a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar if (NoReturn != rbaseInfo.getNoReturn() || 47676a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar RegParm != rbaseInfo.getRegParm()) 47686a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 4769264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv lcc = lbaseInfo.getCC(); 4770264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola CallingConv rcc = rbaseInfo.getCC(); 4771ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor // Compatible functions must have compatible calling conventions 477204a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isSameCallConv(lcc, rcc)) 4773ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor return QualType(); 47741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 47753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 4776465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 4777465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 47783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 47793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 47803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 47823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 47833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 47863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 47873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 47883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 47897fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 47907fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 47917fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 47923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 47933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman llvm::SmallVector<QualType, 10> types; 47943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 47953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 47963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 47974846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 47984846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 47994846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 48003d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 4801447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4802447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 4803447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 4804447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 48053d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 4806447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4807447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 4808447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 4809447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4810447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 481161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 481261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 481361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 481461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 48153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 48163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 48173d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 48183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, types.begin(), types.size(), 48192455636163fdd18581d7fdae816433f886d88213Mike Stump lproto->isVariadic(), lproto->getTypeQuals(), 4820264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4821425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 48223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 48233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 48253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 48263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 482772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 48283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 4829465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 48303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 48313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 48323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 48333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 48343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 48353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 48363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 48373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 48383d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 4839b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 4840b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 4841b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 4842b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 4843b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 4844b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 48453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 48463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 48473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 48483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 48493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 48513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 48523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 48532d3c191e1d5545e1724ee6e0550c70eef54beff2Mike Stump proto->getNumArgs(), proto->isVariadic(), 4854264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola proto->getTypeQuals(), 4855264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola false, false, 0, 0, 4856425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo(NoReturn, RegParm, lcc)); 48573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 48583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 48603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 4861425ef72306d4ff6b3698b744353e5f0e56b4b884Rafael Espindola FunctionType::ExtInfo Info(NoReturn, RegParm, lcc); 4862264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola return getFunctionNoProtoType(retType, Info); 48633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 48643d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4865132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 4866447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 4867447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 486843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 486943d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 487043d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 48717c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 48727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 48730e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 48740e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 4875447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 4876447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4877447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 4878447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 4879447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 48800e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 48813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 48823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 48833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4884f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 48853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 48863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 48873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 48880953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 4889a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 4890a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 48910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 48920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 48930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 48940953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 48950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall LQuals.getAddressSpace() != RQuals.getAddressSpace()) 48960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 48970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 48980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 48990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 49000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 49010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 49020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 49030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 49040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 49050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 49060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 49080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 49090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 49110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 49120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 49130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 49140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 49150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 49163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 49170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 49180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 49190953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 49203d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 4921852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 4922852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 4923f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 49241adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 49251adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 49261adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 49271adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 49284c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 49294c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 4930a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 4931a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 4932a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 4933a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 49341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4935c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 4936c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 4937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 4938c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 4939213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 4940213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 4941213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 49421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 49434e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 49444e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 49451adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 49461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 4947842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 4948842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 4949183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 49503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == RHSCan.getUnqualifiedType()) 49513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 4952bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 4953183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 49543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ETy->getDecl()->getIntegerType() == LHSCan.getUnqualifiedType()) 49553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 4956bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 49571adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner 49583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 4959ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 49603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 49614a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 49621adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 496372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 496472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 4965ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 496672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 496772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 496872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 496972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Non-canonical and dependent types shouldn't get here"); 497072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 497172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 49727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 49737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 497472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 497572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "C++ should never be in mergeTypes"); 497672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 497772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 4978c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 497972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 498072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 498172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 498272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 498372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor assert(false && "Types are eliminated above"); 498472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 498572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 49861adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 49873d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 49883d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 49896217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 49906217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 4991447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 4992447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 4993447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 4994447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 4995447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 4996447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 49973d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 499807d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 499961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 500007d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 500161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 50023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 50033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 5004c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 5005c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 5006c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 50076217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 50086217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 5009447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5010447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 5011447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 5012447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5013447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 5014447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 5015c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 5016c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 5017c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 5018c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 5019c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 5020c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 5021c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 50221adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 50233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 50243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 50253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 50263d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 50273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 50283d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 50293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 50303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 5031447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 5032447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 5033447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 5034447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 5035447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 5036447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 50373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 503861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 503961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 504061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 504161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 50423bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 50433bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 50443bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 50453bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 50463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 50473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 504861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 504961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 505061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 505161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 50523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 50533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 50543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 50553d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 50563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 50573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 50583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 50593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 50603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 50613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 50623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 50633d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 50643bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 50653bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 50667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 50677e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 50683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 50691adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 5070447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 507172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 507272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 50733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 50741adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 50753cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 50763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 507764cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 507864cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 507964cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 50803cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 50815a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 50821c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 50831c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 50843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 508561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 5086c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 5087c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 50885a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 50895a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 5090c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 5091c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 5092c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 50935fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 50945fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 50953d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 509661490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 509714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 5098132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 5099132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 5100132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 5101132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian RHS->getAs<ObjCObjectPointerType>())) 5102132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return LHS; 5103132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 5104132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5105183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 5106183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 510714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 510814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5109bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 5110132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5111ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 511272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 511372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return QualType(); 5114ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 51157192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 51162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 51172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 51182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 51192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 51202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 51212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 51222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 51232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 51242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 51252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 51262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 51272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 51292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 51302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 51312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 51322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 51332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 51342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 51352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51362390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 51372390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 51382390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 51392390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 51402390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 51412390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FunctionType::ExtInfo Info = getFunctionExtInfo(LHS); 51422390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 51432390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 51442390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumArgs(), FPT->isVariadic(), 51452390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getTypeQuals(), 51462390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasExceptionSpec(), 51472390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->hasAnyExceptionSpec(), 51482390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->getNumExceptions(), 51492390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian FPT->exception_begin(), 51502390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Info); 51512390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 51522390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51532390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51542390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51552390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51562390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51572390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 51582390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 51592390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 51602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 51612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 51622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 51632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 51642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 51672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 51682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 51692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 51702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 51712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 51722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 51732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 51742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 51762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 51792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 51802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 51812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 51822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51852390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 51862390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 51872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 51882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 51892390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 51902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 51912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 51922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 51932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 51942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 51952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 51962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 51975426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 5198ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 5199ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 520088054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 5201ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedmanunsigned ASTContext::getIntWidth(QualType T) { 5202842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (EnumType *ET = dyn_cast<EnumType>(T)) 520329a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 52041274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 52051274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 5206f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 5207ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 5208ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5209ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 5210ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 5211f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 52126a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 52136a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 52146a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 52156a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 5216788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VTy->getNumElements(), VTy->getAltiVecSpecific()); 52176a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 52186a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 52196a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 5220ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 52216a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 52226a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 52236a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 5224ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 5225ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 5226ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 5227ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 5228ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 5229ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 5230ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 5231ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 5232ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 5233ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 5234ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 5235ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 52362df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 52372df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 5238ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 5239ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman assert(0 && "Unexpected signed integer type"); 5240ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return QualType(); 5241ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 5242ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 5243ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 52442cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas GregorExternalASTSource::~ExternalASTSource() { } 52452cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 52462cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregorvoid ExternalASTSource::PrintStats() { } 524786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 52487b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 52497b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 525086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 525186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 525286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 525386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 525486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 525586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 525633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 525733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 525833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 525933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 526014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 526114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 526214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 52631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpstatic QualType DecodeTypeFromStr(const char *&Str, ASTContext &Context, 526486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 526514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 526633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 526786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 526886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 526986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 527014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 5271393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 527233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 527386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 527486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 527586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 52761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 5277393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 527814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 5279393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 528086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 528186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 528286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 528386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 528486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 528586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 528686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 528786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 528886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 528986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 529086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 529186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 529286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 529386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 529486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 529586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 529686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 529786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 52981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 529986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 530086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 530186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner default: assert(0 && "Unknown builtin type letter!"); 530286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 530386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 530486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 530586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 530686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 530786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 530886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 530986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 531086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 531186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 531286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 531386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 531486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 531586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 531686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 531786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 531886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 531986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 532086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 532186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 532286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 532386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 532486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 532586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 532686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 532786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 532886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 532986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 533086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 533186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 533286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 533386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 533486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 533586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 533686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 533786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 533886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 533986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 534086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 534186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 534286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 534386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 534486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 534586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 534686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 534786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 534886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 534986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 535086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 535186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 535286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 535386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 535486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 535586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 535686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 535786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 535886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 535986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 536086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 536186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 536286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 536386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 536486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 536586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 536686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 536786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 536886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 536986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 537086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 537186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 537214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 537386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 537414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 537586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 537686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 537786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 537886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 537986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 538086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 538186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 53821eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 538314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 538414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 538514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 538633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 538733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 5388788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 5389788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::NotAltiVec); 539086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 539186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5392d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 539314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 539414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 539514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 5396d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 5397d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 5398d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor } 53999a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 5400c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 5401c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 5402f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 540386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 540486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5405fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 54069a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 5407f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 5408782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 5409f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 5410f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 5411f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 5412fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 5413f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 5414fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 5415fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 5416fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 5417782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 54181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 541933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 542033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 542186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 5422187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 542333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 542433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 542533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 542633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 542733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 542833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 542933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 543033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 543133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 543233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 543333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 543433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 543533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 543633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 543733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 543833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 543933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 544033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 544133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 544233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 544333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 544433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 544533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 544633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 544786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 544886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 5449393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 545014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 5451393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 54521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 545386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 545486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 545586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 545686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 545733daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 545814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 545914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner unsigned *IntegerConstantArgs) { 546033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 54611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 546286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner llvm::SmallVector<QualType, 8> ArgTypes; 54631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 546414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 546586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 546614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 546714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 546886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 546986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 547014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 547114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 547214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 547386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 547414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 547586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 547686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 547786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 547814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 547914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 548014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 548114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 548214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 548386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 548486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 548586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 54861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 548786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 548886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 548986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 549086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 549186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 549286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 549386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // handle untyped/variadic arguments "T c99Style();" or "T cppStyle(...);". 549486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (ArgTypes.size() == 0 && TypeStr[0] == '.') 549586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionNoProtoType(ResType); 5496ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 5497ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor // FIXME: Should we create noreturn types? 549886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), 5499ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor TypeStr[0] == '.', 0, false, false, 0, 0, 5500264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo()); 550186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 5502a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5503a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanQualType 5504a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli FriedmanASTContext::UsualArithmeticConversionsType(QualType lhs, QualType rhs) { 5505a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Perform the usual unary conversions. We do this early so that 5506a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // integral promotions to "int" can allow us to exit early, in the 5507a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // lhs == rhs check. Also, for conversion purposes, we ignore any 5508a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // qualifiers. For example, "const float" and "float" are 5509a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // equivalent. 5510a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isPromotableIntegerType()) 5511a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getPromotedIntegerType(lhs); 5512a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5513a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = lhs.getUnqualifiedType(); 5514a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isPromotableIntegerType()) 5515a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getPromotedIntegerType(rhs); 5516a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman else 5517a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = rhs.getUnqualifiedType(); 5518a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5519a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If both types are identical, no conversion is needed. 5520a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs == rhs) 5521a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 55221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5523a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // If either side is a non-arithmetic type (e.g. a pointer), we are done. 5524a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The caller can deal with this (e.g. pointer + int). 5525a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (!lhs->isArithmeticType() || !rhs->isArithmeticType()) 5526a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 55271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // At this point, we have two different arithmetic types. 55291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5530a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle complex types first (C99 6.3.1.8p1). 5531a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexType() || rhs->isComplexType()) { 5532a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the complex type. 55331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (rhs->isIntegerType() || rhs->isComplexIntegerType()) { 5534a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5535a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5536a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 55371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isIntegerType() || lhs->isComplexIntegerType()) { 5538a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5539a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5540a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5541a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // This handles complex/complex, complex/float, or float/complex. 55421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // When both operands are complex, the shorter operand is converted to the 55431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // type of the longer, and that is the type of the result. This corresponds 55441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // to what is done when combining two real floating-point operands. 55451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // The fun begins when size promotion occur across type domains. 5546a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // From H&S 6.3.4: When one operand is complex and the other is a real 55471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // floating-point type, the less precise type is converted, within it's 5548a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // real or complex domain, to the precision of the other type. For example, 55491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // when combining a "long double" with a "double _Complex", the 5550a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // "double _Complex" is promoted to "long double _Complex". 5551a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 55521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (result > 0) { // The left side is bigger, convert rhs. 5554a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhs = getFloatingTypeOfSizeWithinDomain(lhs, rhs); 55551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } else if (result < 0) { // The right side is bigger, convert lhs. 5556a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman lhs = getFloatingTypeOfSizeWithinDomain(rhs, lhs); 55571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 5558a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // At this point, lhs and rhs have the same rank/size. Now, make sure the 5559a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // domains match. This is a requirement for our implementation, C99 5560a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // does not require this promotion. 5561a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs != rhs) { // Domains don't match, we have complex/float mix. 5562a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType()) { // handle "double, _Complex double". 5563a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5564a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { // handle "_Complex double, double". 5565a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5566a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5567a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5568a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // The domain/size match exactly. 5569a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5570a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Now handle "real" floating types (i.e. float, double, long double). 5571a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isRealFloatingType() || rhs->isRealFloatingType()) { 5572a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // if we have an integer operand, the result is the real floating type. 5573a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isIntegerType()) { 5574a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the lhs floating point type. 5575a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5576a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5577a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (rhs->isComplexIntegerType()) { 5578a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert rhs to the complex floating point type. 5579a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(lhs); 5580a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5581a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isIntegerType()) { 5582a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the rhs floating point type. 5583a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5584a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 55851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isComplexIntegerType()) { 5586a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert lhs to the complex floating point type. 5587a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return getComplexType(rhs); 5588a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5589a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // We have two real floating types, float/complex combos were handled above. 5590a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Convert the smaller operand to the bigger result. 5591a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int result = getFloatingTypeOrder(lhs, rhs); 5592a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (result > 0) // convert the rhs 5593a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5594a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(result < 0 && "illegal float comparison"); 5595a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; // convert the lhs 5596a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5597a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhs->isComplexIntegerType() || rhs->isComplexIntegerType()) { 5598a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Handle GCC complex int extension. 5599a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *lhsComplexInt = lhs->getAsComplexIntegerType(); 5600a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman const ComplexType *rhsComplexInt = rhs->getAsComplexIntegerType(); 5601a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 5602a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsComplexInt && rhsComplexInt) { 56031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (getIntegerTypeOrder(lhsComplexInt->getElementType(), 5604a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman rhsComplexInt->getElementType()) >= 0) 5605a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; // convert the rhs 5606a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5607a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (lhsComplexInt && rhs->isIntegerType()) { 5608a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the rhs to the lhs complex type. 5609a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return lhs; 5610a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (rhsComplexInt && lhs->isIntegerType()) { 5611a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // convert the lhs to the rhs complex type. 5612a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return rhs; 5613a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5614a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5615a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Finally, we have two differing integer types. 5616a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The rules for this case are in C99 6.3.1.8 5617a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman int compare = getIntegerTypeOrder(lhs, rhs); 5618f60946222721d9ba3c059563935c17b84703187aDouglas Gregor bool lhsSigned = lhs->hasSignedIntegerRepresentation(), 5619f60946222721d9ba3c059563935c17b84703187aDouglas Gregor rhsSigned = rhs->hasSignedIntegerRepresentation(); 5620a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman QualType destType; 5621a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (lhsSigned == rhsSigned) { 5622a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // Same signedness; use the higher-ranked type 5623a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = compare >= 0 ? lhs : rhs; 5624a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (compare != (lhsSigned ? 1 : -1)) { 5625a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The unsigned type has greater than or equal rank to the 5626a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // signed type, so use the unsigned type 5627a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? rhs : lhs; 5628a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else if (getIntWidth(lhs) != getIntWidth(rhs)) { 5629a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The two types are different widths; if we are here, that 5630a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // means the signed type is larger than the unsigned type, so 5631a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // use the signed type. 5632a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = lhsSigned ? lhs : rhs; 5633a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } else { 5634a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // The signed type is higher-ranked than the unsigned type, 5635a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // but isn't actually any bigger (like unsigned int and long 5636a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // on most 32-bit systems). Use the unsigned type corresponding 5637a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman // to the signed type. 5638a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman destType = getCorrespondingUnsignedType(lhsSigned ? lhs : rhs); 5639a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman } 5640a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return destType; 5641a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 564290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564390e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 564490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 564590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 564690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 564790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 564890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis FD->getType()->getLinkage() == UniqueExternalLinkage) 564990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 565090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 565290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 565390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 565490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 565590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 565690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 565790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 565890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 565990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 566090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 566190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 566290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 566390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 566590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 566690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 566790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 566890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 566990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 567090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 567190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 567290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 567390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 567490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 567590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 567690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 567790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!getLangOptions().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 567890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 567990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 568090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 568190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 568290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 568390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 568490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 568590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 568690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 568790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 568890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 568990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 569090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 569190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 569290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 569390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 569490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 569590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 569690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 569790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 569890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 569990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570090e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 570190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 570290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 570390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 570490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 570590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 570690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 570790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 570890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 570990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == ExternalLinkage && getLangOptions().CPlusPlus && 571090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 571190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 571290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 571390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 571490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 571590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 571690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 571790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 571890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 571990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 572090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 572190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 572290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 572390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 572490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 572590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 572690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 572790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 572890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 572990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 573090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 573190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 573290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 573390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 573490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 573590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 573690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 573790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 573890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 573990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 57404ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 574190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 574290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 574390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 574490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 574590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 574690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5747ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 5748ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 5749ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5750ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 575190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 575290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 575390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 575490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 575590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 575690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 575790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isThisDeclarationADefinition()) 575890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 575990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 576090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 576190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 576290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 576390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 576490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 576590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 576690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 576790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 576890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 576990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 577090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 577190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 577290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 577390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 577490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 577590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 577690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 577790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 577890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 577990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 578090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 578190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 578290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 578390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 578490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 578590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 578690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 578790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 5788ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 5789ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 5790ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 579190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 579290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 579390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 579490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 579590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 5796bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis if (RD->hasDefinition() && 5797bbc6454bb98d6a6ecbaafa715222c5db834307f2Argyrios Kyrtzidis (!RD->hasTrivialConstructor() || !RD->hasTrivialDestructor())) 579890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 579990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 580090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 580190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 580290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 580390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 580490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 580590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 580690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 580790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 580890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 580990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 5810071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 5811071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 5812